1991372945016

Names of 1991372945016

• Cardinal: 1991372945016 can be written as One trillion, nine hundred ninety-one billion, three hundred seventy-two million, nine hundred forty-five thousand and sixteen.

Scientific notation

• Scientific notation: 1.991372945016 × 10¹²

Factors of 1991372945016

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 126

Divisors of 1991372945016

• Number of divisors d(n): 1152
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 21 23 24 26 28 31 39 42 46 47 49 52 56 62 69 78 84 91 92 93 94 98 104 124 138 141 147 156 161 168 169 182 184 186 188 196 217 248 273 276 282 294 299 312 322 329 338 364 372 376 392 403 434 483 507 529 546 552 564 588 598 611 637 644 651 658 676 713 728 744 806 868 897 966 987 1014 1058 1081 1092 1127 1128 1176 1183 1196 1209 1222 1274 1288 1302 1316 1352 1426 1457 1519 1587 1612 1736 1794 1833 1911 1932 1974 2028 2093 2116 2139 2162 2184 2197 2254 2303 2366 2392 2418 2444 2548 2604 2632 2821 2852 2914 3038 3174 3224 3243 3381 3549 3588 3666 3703 3822 3864 3887 3948 4056 4186 4232 4277 4278 4324 4371 4394 4508 4557 4606 4732 4836 4888 4991 5096 5208 5239 5642 5704 5828 6076 6279 6348 6486 6591 6762 6877 6909 7098 7176 7332 7406 7567 7644 7774 7896 7943 8281 8372 8463 8554 8556 8648 8742 8788 9016 9114 9212 9269 9464 9672 9982 10199 10478 11109 11284 11656 11661 12152 12558 12696 12831 12972 13182 13524 13754 13818 14053 14196 14651 14664 14812 14973 15134 15288 15379 15548 15717 15886 16399 16562 16744 16926 17108 17112 17484 17576 18228 18424 18538 18941 19747 19964 20398 20631 20956 22218 22568 22701 23322 23829 24843 24863 25116 25662 25921 25944 26364 27048 27209 27508 27636 27807 28106 28392 29302 29624 29939 29946 30268 30597 30758 31096 31434 31772 32798 33124 33511 33852 34216 34937 34968 36456 36673 37076 37882 39494 39928 40796 41262 41912 42159 43953 44436 45402 46137 46644 47658 48139 49197 49686 49726 50232 50531 51324 51842 52728 52969 54418 55016 55272 55601 55614 56212 56823 58604 59241 59878 59892 60536 61194 61516 62868 63544 64883 65596 66248 67022 67704 68107 69874 71393 73346 74152 74589 75764 77763 78988 81592 81627 82524 84318 87906 88872 89401 89817 90804 92274 93288 95316 96278 98371 98394 99372 99452 100533 101062 102648 103259 103684 104811 105938 107653 108836 110019 111202 111228 112424 113646 114793 117208 118482 119756 119784 120497 122388 123032 125736 129766 131192 132587 134044 136214 139748 142786 144417 146692 149178 151528 151593 155526 157976 158907 163254 165048 166803 168636 174041 175812 178802 179634 181608 182689 184548 190463 190632 192556 194649 196742 196788 198744 198904 201066 202124 204321 206518 207368 209622 211876 213187 214179 215306 217672 220038 222404 222456 227292 229586 234577 236964 239512 240994 244776 246233 256711 259532 265174 268088 268203 272428 279496 285572 288834 293384 295113 298356 303186 309777 311052 317814 322959 323219 326508 333606 336973 337272 344379 348082 351624 353717 357604 359268 361491 365378 369096 380926 385112 389207 389298 393484 393576 397761 402132 404248 408642 413036 419244 423752 426374 428358 430612 435643 440076 444808 454181 454584 459172 469154 473928 476749 481988 492466 513422 519064 522123 530348 536406 544856 548067 571144 571389 577668 590226 596712 606372 619554 622104 625807 635628 639561 645918 646438 653016 667212 673946 688597 688758 696164 703731 707434 715208 718536 722813 722982 730756 738699 761852 770133 770753 778414 778596 786968 795522 803551 804264 817284 826072 838488 843479 852748 856716 861224 871286 880152 908362 918344 928109 938308 953498 963976 969657 984932 1010919 1026844 1044246 1060696 1061151 1072812 1096134 1142778 1155336 1162213 1167621 1180452 1212744 1218287 1239108 1251614 1271256 1278823 1279122 1291836 1292876 1306929 1334424 1347892 1362543 1377194 1377516 1392328 1407462 1414868 1430247 1445626 1445964 1461512 1477398 1492309 1523704 1540266 1541506 1556828 1557192 1566461 1591044 1607102 1634568 1642039 1686958 1705496 1713432 1723631 1742572 1816724 1856218 1876616 1877421 1906996 1939314 1969864 2021838 2053688 2065791 2088492 2122302 2145624 2168439 2192268 2262533 2285556 2312259 2324426 2335242 2360904 2374957 2410653 2436574 2476019 2478216 2503228 2530437 2557646 2558244 2583672 2585752 2613858 2695784 2725086 2754388 2755032 2771431 2784327 2814924 2829736 2860494 2891252 2891928 2954796 2984618 3049501 3080532 3083012 3113656 3132922 3182088 3201029 3214204 3284078 3337243 3373916 3447262 3485144 3486639 3633448 3654861 3712436 3754842 3813992 3836469 3878628 4043676 4131582 4176984 4201847 4244604 4336878 4380649 4384536 4476927 4525066 4571112 4624518 4648852 4670484 4699383 4749914 4821306 4873148 4926117 4952038 5006456 5059691 5060874 5115292 5116488 5170893 5227716 5395271 5450172 5508776 5542862 5568654 5629848 5663359 5720988 5782504 5904353 5909592 5969236 6099002 6161064 6166024 6265844 6402058 6428408 6568156 6674486 6747832 6787599 6894524 6973278 7124871 7309722 7424872 7428057 7509684 7672938 7757256 8087352 8135491 8263164 8314293 8403694 8489208 8673756 8761298 8951761 8953854 9050132 9148503 9249036 9297704 9340968 9398766 9499828 9603087 9642612 9746296 9852234 9904076 10011729 10019789 10119382 10121748 10230584 10341786 10446163 10455432 10790542 10900344 10965227 11085724 11137308 11326718 11441976 11808706 11938472 12065417 12198004 12531688 12605541 12804116 13136312 13141947 13348972 13575198 13789048 13946556 14249742 14619444 14856114 15019368 15179073 15345876 15837731 16185813 16270982 16526328 16624699 16628586 16807388 16990077 17347512 17522596 17713059 17903522 17907708 18100264 18297006 18498072 18797532 18999656 19206174 19285224 19400017 19704468 19808152 20023458 20039578 20238764 20243496 20683572 20892326 21346507 21581084 21930454 22171448 22274616 22407203 22653436 23617412 24130834 24396008 24406473 25211082 25608232 26283894 26697944 26855283 27150396 27893112 28499484 29238888 29412929 29712228 30059367 30358146 30691752 31338489 31675462 32371626 32541964 32895681 33249398 33257172 33614776 33980154 35045192 35426118 35807044 35815416 36028603 36196251 36594012 37595064 37766897 38412348 38800034 39408936 39643513 40046916 40079156 40477528 41367144 41784652 42693014 43162168 43860908 44814406 45306872 47234824 47513193 48261668 48812946 49874097 50422164 52567788 53710566 54300792 54624011 56948437 56998968 58200051 58825858 59424456 60118734 60716292 62676978 63350924 64039521 64743252 65083928 65791362 66498796 66514344 67221609 67960308 70138523 70852236 71614088 72057206 72392502 73188024 73623667 75533794 76756589 76824696 77600068 79287026 80093832 80158312 83569304 85386028 87721816 88238787 89628812 95026386 96523336 97625892 99748194 100844328 105135576 107421132 108085809 109248022 113300691 113896874 116372893 116400102 117651716 118930539 120237468 121432584 125353956 126701848 128079042 129486504 130257257 131582724 132997592 134443218 135800119 135920616 140277046 141704472 144114412 144785004 147247334 151067588 153513178 155200136 156850421 158574052 163872033 170772056 170845311 176477574 179257624 190052772 195251784 199496388 205890503 210415569 214842264 216171618 218496044 220871001 226601382 227793748 230269767 232745786 232800204 235303432 237861078 240474936 250707912 252200221 256158084 260514514 263165448 268886436 271600238 277504591 280554092 288228824 289570008 294494668 302135176 307026356 313700842 317148104 327744066 341690622 349118679 352955148 380105544 382368077 390771771 398992776 407400357 411781006 420831138 432343236 436992088 441742002 453202764 455587496 460539534 465491572 465600408 470551263 475722156 490969661 504400442 512316168 515365669 521029028 537772872 543200476 555009182 561108184 588989336 614052712 617671509 627401684 655488132 683381244 698237358 705910296 756600663 764736154 781543542 814800714 823562012 832513773 841662276 864686472 883484004 906405528 911800799 921079068 930983144 941102526 951444312 981939322 1008800884 1030731338 1042058056 1086400952 1110018364 1147104231 1235343018 1254803368 1310976264 1366762488 1396474716 1472908983 1513201326 1529472308 1546097007 1563087084 1629601428 1647124024 1665027546 1683324552 1693344341 1765401547 1766968008 1823601598 1842158136 1882205052 1963878644 2017601768 2061462676 2220036728 2294208462 2470686036 2676576539 2735402397 2792949432 2945817966 3026402652 3058944616 3092194014 3126174168 3259202856 3330055092 3386688682 3530803094 3607559683 3647203196 3764410104 3927757288 4122925352 4588416924 4941372072 5080033023 5296204641 5353153078 5470804794 5891635932 6052805304 6184388028 6382605593 6660110184 6773377364 7061606188 7215119366 7294406392 8029729617 9176833848 10160066046 10592409282 10706306156 10822679049 10941609588 11783271864 11853410387 12368776056 12765211186 13546754728 14123212376 14430238732 16059459234 19147816779 20320132092 21184818564 21412612312 21645358098 21883219176 23706820774 25530422372 28860477464 32118918468 35560231161 38295633558 40640264184 42369637128 43290716196 47413641548 51060844744 64237836936 71120462322 76591267116 82973872709 86581432392 94827283096 142240924644 153182534232 165947745418 248921618127 284481849288 331895490836 497843236254 663790981672 995686472508 1991372945016
• Sum of all divisors σ(n): 6913841356800
• Sum of proper divisors (its aliquot sum) s(n): 4922468411784
• 1991372945016 is an abundant number, because the sum of its proper divisors (4922468411784) is greater than itself. Its abundance is 2931095466768

Bases of 1991372945016

• Binary: 11100111110100111000100111011011001111000₂
• Hexadecimal: 0x1CFA713B678
• Base-36: PETO1ABC

Squares and roots of 1991372945016

• 1991372945016 squared (1991372945016²) is 3965566206141696959240256
• 1991372945016 cubed (1991372945016³) is 7896921254580317220318080704621764096
• The square root of 1991372945016 is 1411160.1415204441
• The cube root of 1991372945016 is 12581.0687085651

Scales and comparisons

• 1,991,372,945,016 seconds is equal to 63,319 years, 25 weeks, 6 days, 23 hours, 23 minutes, 36 seconds.
• To count from 1 to 1,991,372,945,016 would take you about one hundred fifty-eight thousand, two hundred ninety-eight years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 1991372945016 cubic inches would be around 1048.4 feet tall.

Recreational maths with 1991372945016

• 1991372945016 backwards is 6105492731991
• The number of decimal digits it has is: 13
• The sum of 1991372945016's digits is 57
• More coming soon!