1991335139040

Names of 1991335139040

• Cardinal: 1991335139040 can be written as One trillion, nine hundred ninety-one billion, three hundred thirty-five million, one hundred thirty-nine thousand and forty.

Scientific notation

• Scientific notation: 1.99133513904 × 10¹²

Factors of 1991335139040

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 718

Divisors of 1991335139040

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 17 20 24 26 30 32 34 39 40 48 51 52 60 65 68 78 80 85 96 102 104 120 130 136 156 160 169 170 195 204 208 221 240 255 260 272 277 312 338 340 390 401 408 416 442 480 507 510 520 544 554 624 663 676 680 780 802 816 831 845 884 1014 1020 1040 1105 1108 1203 1248 1326 1352 1360 1385 1560 1604 1632 1662 1690 1768 2005 2028 2040 2080 2197 2210 2216 2406 2535 2652 2704 2720 2770 2873 3120 3208 3315 3324 3380 3536 3601 4010 4056 4080 4155 4394 4420 4432 4709 4812 5070 5213 5304 5408 5540 5746 6015 6240 6416 6591 6630 6648 6760 6817 7072 7202 8020 8112 8160 8310 8619 8788 8840 8864 9418 9624 10140 10426 10608 10803 10985 11080 11492 12030 12832 13182 13260 13296 13520 13634 14127 14365 14404 15639 16040 16224 16620 17238 17576 17680 18005 18836 19248 20280 20451 20852 21216 21606 21970 22160 22984 23545 24060 26065 26364 26520 26592 27040 27268 28254 28730 28808 31278 32080 32955 33240 34085 34476 35152 35360 36010 37349 37672 38496 40560 40902 41704 43095 43212 43940 44320 45968 46813 47090 48120 52130 52728 53040 54015 54536 56508 57460 57616 61217 62556 64160 65910 66480 67769 68170 68952 70304 70635 72020 74698 75344 78195 81120 81804 83408 86190 86424 87880 88621 91936 93626 94180 96240 102255 104260 105456 106080 108030 109072 111077 112047 113016 114920 115232 122434 125112 131820 132960 135538 136340 137904 140439 141270 144040 149396 150688 156390 163608 166816 172380 172848 175760 177242 183651 186745 187252 188360 192480 203307 204510 208520 210912 216060 218144 222154 224094 226032 229840 234065 244868 250224 263640 265863 271076 272680 275808 280878 282540 288080 298792 306085 312780 327216 333231 338845 344760 345696 351520 354484 367302 373490 374504 376720 406614 409020 417040 432120 443105 444308 448188 452064 459680 468130 489736 500448 527280 531726 542152 545360 555385 560235 561756 565080 576160 597584 608569 612170 625560 654432 666462 677690 689520 702195 708968 734604 746980 749008 753440 795821 813228 818040 834080 864240 880997 886210 888616 896376 918255 936260 979472 1016535 1054560 1063452 1084304 1090720 1110770 1120470 1123512 1130160 1152073 1195168 1217138 1224340 1251120 1329315 1332924 1355380 1379040 1404390 1417936 1444001 1469208 1493960 1498016 1591642 1626456 1636080 1666155 1728480 1761994 1772420 1777232 1792752 1825707 1836510 1872520 1888309 1958944 2033070 2126904 2168608 2221540 2240940 2247024 2260320 2304146 2387463 2434276 2448680 2502240 2642991 2658630 2665848 2710760 2808780 2835872 2888002 2938416 2987920 3042845 3183284 3252912 3272160 3332310 3456219 3523988 3544840 3554464 3585504 3651414 3673020 3745040 3776618 3979105 4066140 4253808 4332003 4404985 4443080 4481880 4494048 4608292 4774926 4868552 4897360 5285982 5317260 5331696 5421520 5617560 5664927 5760365 5776004 5876832 5975840 6085690 6366568 6505824 6664620 6912438 7047976 7089680 7220005 7302828 7346040 7490080 7553236 7958210 8132280 8507616 8664006 8809970 8886160 8963760 9128535 9216584 9441545 9549852 9737104 9794720 10345673 10571964 10634520 10663392 10843040 11235120 11329854 11520730 11552008 11937315 12171380 12733136 13214955 13329240 13824876 14095952 14179360 14440010 14605656 14692080 14976949 15106472 15916420 16264560 17281095 17328012 17619940 17772320 17927520 18257070 18433168 18772013 18883090 19099704 19474208 20691346 21143928 21269040 21660015 22470240 22659708 23041460 23104016 23874630 24342760 24548017 25466272 26429910 26658480 27649752 28191904 28324635 28880020 29211312 29384160 29953898 30212944 31037019 31832840 32529120 34562190 34656024 35239880 36514140 36866336 37544026 37766180 38199408 41382692 42287856 42538080 43320030 44930847 45319416 46082920 46208032 47749260 48685520 49096034 51728365 52859820 53316960 55299504 56316039 56649270 57760040 58422624 59907796 60425888 62074038 63665680 69124380 69312048 70479760 73028280 73644051 74884745 75088052 75532360 76398816 82765384 84575712 86640060 89861694 90638832 92165840 93860065 95498520 97371040 98192068 103456730 105719640 110599008 112632078 113298540 115520080 119815592 122740085 124148076 127331360 138248760 138624096 140959520 146056560 147288102 149769490 150176104 151064720 155185095 165530768 173280120 179723388 181277664 184331680 187720130 190997040 196384136 206913460 211439280 224654235 225264156 226597080 231040160 239631184 244036169 245480170 248296152 276497520 281580195 292113120 294576204 299538980 300352208 302129440 310370190 319124221 331061536 346560240 359446776 368220255 375440260 381994080 392768272 413826920 422878560 449308470 450528312 453194160 479262368 488072338 490960340 496592304 552995040 563160390 589152408 599077960 600704416 620740380 638248442 693120480 718893552 732108507 736440510 750880520 785536544 827653840 898616940 901056624 906388320 957372663 976144676 981920680 993184608 1126320780 1178304816 1198155920 1220180845 1241480760 1276496884 1437787104 1464217014 1472881020 1501761040 1595621105 1655307680 1797233880 1802113248 1914745326 1952289352 1963841360 2252641560 2356609632 2396311840 2440361690 2482961520 2552993768 2928434028 2945762040 3003522080 3191242210 3594467760 3660542535 3829490652 3904578704 3927682720 4148614873 4505283120 4786863315 4880723380 4965923040 5105987536 5856868056 5891524080 6382484420 7188935520 7321085070 7658981304 7809157408 8297229746 9010566240 9573726630 9761446760 10211975072 11713736112 11783048160 12445844619 12764968840 14642170140 15317962608 16594459492 19147453260 19522893520 20743074365 23427472224 24891689238 25529937680 29284340280 30635925216 33188918984 38294906520 39045787040 41486148730 49783378476 51059875360 58568680560 62229223095 66377837968 76589813040 82972297460 99566756952 117137361120 124458446190 132755675936 153179626080 165944594920 199133513904 248916892380 331889189840 398267027808 497833784760 663778379680 995667569520 1991335139040
• Sum of all divisors σ(n): 7238892084480
• Sum of proper divisors (its aliquot sum) s(n): 5247556945440
• 1991335139040 is an abundant number, because the sum of its proper divisors (5247556945440) is greater than itself. Its abundance is 3256221806400

Bases of 1991335139040

• Binary: 11100111110100100110100101101011011100000₂
• Hexadecimal: 0x1CFA4D2D6E0
• Base-36: PET1IZ1C

Squares and roots of 1991335139040

• 1991335139040 squared (1991335139040²) is 3965415635975456132121600
• 1991335139040 cubed (1991335139040³) is 7896471496816574962885786946187264000
• The square root of 1991335139040 is 1411146.7461040329
• The cube root of 1991335139040 is 12580.9890913689

Scales and comparisons

• 1,991,335,139,040 seconds is equal to 63,318 years, 15 weeks, 3 days, 9 hours, 44 minutes.
• To count from 1 to 1,991,335,139,040 would take you about one hundred fifty-eight thousand, two hundred ninety-five 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 1991335139040 cubic inches would be around 1048.4 feet tall.

Recreational maths with 1991335139040

• 1991335139040 backwards is 0409315331991
• 1991335139040 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1991335139040's digits is 48
• More coming soon!