19997961984

Names of 19997961984

• Cardinal: 19997961984 can be written as Nineteen billion, nine hundred ninety-seven million, nine hundred sixty-one thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 1.9997961984 × 10¹⁰

Factors of 19997961984

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 88

Divisors of 19997961984

• Number of divisors d(n): 1296
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 13 14 16 18 21 22 23 24 26 28 29 32 33 36 39 42 44 46 48 52 56 58 63 64 66 69 72 77 78 84 87 88 91 92 96 99 104 112 116 117 126 128 132 138 143 144 154 156 161 168 169 174 176 182 184 192 198 203 207 208 224 231 232 234 252 253 256 261 264 273 276 286 288 299 308 312 319 322 336 338 348 352 364 368 377 384 396 406 414 416 429 448 462 464 468 483 504 506 507 522 528 546 552 572 576 598 609 616 624 638 644 667 672 676 693 696 704 728 736 754 759 768 792 812 819 828 832 858 896 897 924 928 936 957 966 1001 1008 1012 1014 1044 1056 1092 1104 1131 1144 1152 1183 1196 1218 1232 1248 1276 1287 1288 1334 1344 1352 1386 1392 1408 1449 1456 1472 1508 1518 1521 1584 1624 1638 1656 1664 1716 1771 1792 1794 1827 1848 1856 1859 1872 1914 1932 2001 2002 2016 2024 2028 2088 2093 2112 2184 2208 2233 2262 2277 2288 2304 2366 2392 2436 2464 2496 2552 2574 2576 2639 2668 2688 2691 2704 2772 2784 2816 2871 2898 2912 2944 3003 3016 3036 3042 3168 3248 3276 3289 3312 3328 3393 3432 3542 3549 3588 3654 3696 3712 3718 3744 3828 3864 3887 4002 4004 4032 4048 4056 4147 4176 4186 4224 4368 4416 4466 4524 4554 4576 4669 4732 4784 4872 4901 4928 4992 5104 5148 5152 5278 5313 5336 5376 5382 5408 5544 5568 5577 5742 5796 5824 5888 6003 6006 6032 6072 6084 6279 6336 6496 6552 6578 6624 6699 6786 6864 7084 7098 7176 7308 7337 7392 7424 7436 7488 7656 7728 7774 7917 8004 8008 8064 8096 8112 8294 8352 8372 8448 8671 8736 8832 8932 9009 9048 9108 9152 9338 9464 9568 9744 9802 9856 9867 9984 10208 10296 10304 10556 10626 10647 10672 10764 10816 11088 11136 11154 11484 11592 11648 11661 12006 12012 12064 12144 12168 12441 12558 12672 12992 13013 13104 13156 13248 13398 13572 13728 14007 14168 14196 14352 14616 14674 14703 14784 14872 14976 15312 15456 15548 15834 15939 16008 16016 16128 16192 16224 16588 16704 16731 16744 17342 17472 17664 17864 18018 18096 18216 18304 18676 18837 18928 19136 19488 19604 19712 19734 20097 20416 20592 20608 21112 21252 21294 21344 21528 21632 22011 22176 22272 22308 22968 23023 23184 23296 23322 23751 24012 24024 24128 24288 24336 24882 25116 25344 25984 26013 26026 26208 26312 26496 26796 27144 27209 27456 28014 28336 28392 28704 29029 29232 29348 29406 29568 29601 29744 29952 30624 30912 31096 31668 31878 32016 32032 32384 32448 33176 33408 33462 33488 34307 34684 34944 34983 35728 36036 36192 36432 36608 37323 37352 37674 37856 38272 38976 39039 39208 39468 40194 40832 41184 41216 42021 42224 42504 42588 42688 42757 43056 43264 44022 44109 44352 44616 45936 46046 46368 46644 47502 48024 48048 48256 48576 48672 49764 50232 51359 51968 52026 52052 52416 52624 52992 53592 53911 54288 54418 54912 56028 56672 56784 57408 58058 58464 58696 58812 59136 59202 59488 60697 61248 61824 62192 63336 63756 64032 64064 64768 64896 66033 66352 66816 66924 66976 68614 69069 69368 69888 69966 71456 72072 72384 72864 74646 74704 75348 75712 76544 77952 78039 78078 78416 78936 80388 81627 81664 82368 84042 84448 85008 85176 85376 85514 86112 87087 88044 88218 88704 89232 91872 92092 92736 93288 95004 95381 96048 96096 96512 97152 97344 99528 100464 102718 102921 104052 104104 104832 105248 107184 107822 108576 108836 109824 112056 112723 113344 113568 114816 116116 116928 117117 117392 117624 118404 118976 121394 122496 123648 124384 126672 127512 128064 128128 128271 129792 132066 132704 133848 133952 137228 138138 138736 139932 142912 144144 144768 145728 149292 149408 150696 151424 154077 155904 156078 156156 156832 157872 160776 161733 163254 164736 168084 168896 170016 170352 170752 171028 172224 174174 176088 176436 177408 178464 182091 183744 184184 185472 186576 190008 190762 192096 192192 194304 194688 199056 200928 205436 205842 207207 208104 208208 209664 210496 214368 215644 217152 217672 224112 225446 226688 227136 229632 232232 233856 234234 234784 235248 236808 237952 242788 244881 244992 248768 253344 255024 256128 256256 256542 261261 264132 265408 267696 267904 274456 276276 277472 279864 285824 286143 288288 289536 291456 298584 298816 299299 301392 302848 308154 308763 312156 312312 313664 315744 321552 323466 326508 329472 336168 337792 338169 340032 340704 342056 344448 348348 352176 352872 356928 364182 367488 368368 370944 373152 377377 380016 381524 384192 384384 384813 389376 398112 401856 410872 411684 414414 416208 416416 420992 428736 431288 434304 435344 448224 450892 453376 454272 462231 464464 467712 468468 469568 470496 473616 475904 485199 485576 489762 497536 506688 510048 512256 513084 522522 528264 530816 535392 535808 546273 548912 552552 554944 559728 571648 572286 576576 582912 597168 597632 598598 602784 616308 617526 624312 624624 627328 631488 643104 646932 653016 667667 672336 675584 676338 680064 681408 684112 688896 696696 704352 705744 713856 728364 734976 736736 746304 754754 760032 763048 768384 768768 769626 789061 796224 803712 821744 823368 828828 832416 832832 841984 857472 858429 862576 868608 870688 896448 897897 901784 908544 924462 928928 936936 939136 940992 947232 970398 971152 979524 995072 1013376 1014507 1020096 1026168 1045044 1056528 1061632 1070784 1092546 1097824 1105104 1109888 1119456 1132131 1144572 1153152 1194336 1195264 1197196 1205568 1232616 1235052 1239953 1248624 1249248 1254656 1262976 1286208 1293864 1306032 1335334 1344672 1352676 1360128 1362816 1368224 1393392 1408704 1411488 1427712 1456728 1473472 1492608 1509508 1520064 1526096 1536768 1539252 1578122 1592448 1607424 1643488 1646736 1657656 1664832 1665664 1714944 1716858 1725152 1741376 1792896 1795794 1803568 1848924 1857856 1873872 1878272 1881984 1894464 1940796 1942304 1959048 2003001 2026752 2029014 2040192 2052336 2090088 2113056 2141568 2185092 2195648 2210208 2219776 2238912 2264262 2289144 2306304 2367183 2388672 2394392 2411136 2465232 2470104 2479906 2497248 2498496 2525952 2572416 2587728 2612064 2670668 2689344 2693691 2705352 2725632 2736448 2786784 2817408 2822976 2913456 2946944 2985216 3019016 3040128 3052192 3078504 3156244 3184896 3286976 3293472 3315312 3329664 3331328 3396393 3433716 3450304 3482752 3585792 3591588 3607136 3697848 3715712 3719859 3747744 3763968 3788928 3881592 3884608 3918096 4006002 4058028 4080384 4104672 4180176 4226112 4283136 4370184 4391296 4420416 4477824 4528524 4578288 4734366 4777344 4788784 4822272 4930464 4940208 4959812 4994496 4996992 5144832 5175456 5224128 5341336 5378688 5387382 5410704 5472896 5573568 5634816 5645952 5826912 5893888 6009003 6038032 6080256 6104384 6157008 6312488 6573952 6586944 6630624 6659328 6792786 6867432 6900608 6965504 7101549 7183176 7214272 7395696 7431424 7439718 7495488 7577856 7763184 7769216 7836192 8012004 8116056 8209344 8360352 8452224 8679671 8740368 8782592 8840832 8955648 9057048 9156576 9468732 9554688 9577568 9860928 9880416 9919624 9988992 9993984 10350912 10448256 10682672 10757376 10774764 10821408 10945792 11147136 11159577 11291904 11653824 12018006 12076064 12208768 12314016 12624976 13147904 13173888 13261248 13585572 13734864 13801216 14203098 14366352 14428544 14791392 14879436 14990976 15526368 15538432 15672384 16024008 16232112 16418688 16720704 16904448 17359342 17480736 17681664 18114096 18313152 18937464 19155136 19721856 19760832 19839248 19977984 20701824 20896512 21365344 21549528 21642816 22294272 22319154 23307648 24036012 24152128 24417536 24628032 25249952 26039013 26347776 26522496 27171144 27469728 28406196 28732704 28857088 29582784 29758872 29981952 31052736 31344768 32048016 32464224 32837376 33441408 34718684 34961472 36228192 36626304 37874928 38310272 39443712 39521664 39678496 41403648 42730688 43099056 43285632 44638308 46615296 48072024 48304256 49256064 50499904 52078026 53044992 54342288 54939456 56812392 57465408 59165568 59517744 62105472 62689536 64096032 64928448 66882816 69437368 69922944 72456384 73252608 75749856 76620544 78117039 79043328 79356992 85461376 86198112 86571264 89276616 96144048 96608512 98512128 100999808 104156052 108684576 109878912 113624784 114930816 118331136 119035488 124210944 128192064 129856896 138874736 139845888 144912768 151499712 156234078 158713984 170922752 172396224 178553232 192288096 201999616 208312104 217369152 219757824 227249568 229861632 238070976 256384128 259713792 277749472 289825536 302999424 312468156 317427968 344792448 357106464 384576192 416624208 434738304 454499136 476141952 512768256 555498944 605998848 624936312 689584896 714212928 769152384 833248416 869476608 908998272 952283904 1110997888 1249872624 1428425856 1538304768 1666496832 1817996544 2221995776 2499745248 2856851712 3332993664 4999490496 6665987328 9998980992 19997961984
• Sum of all divisors σ(n): 84027041280
• Sum of proper divisors (its aliquot sum) s(n): 64029079296
• 19997961984 is an abundant number, because the sum of its proper divisors (64029079296) is greater than itself. Its abundance is 44031117312

Bases of 19997961984

• Binary: 10010100111111110001010111100000000₂
• Hexadecimal: 0x4A7F8AF00
• Base-36: 96Q9Q80

Squares and roots of 19997961984

• 19997961984 squared (19997961984²) is 399918483513509216256
• 19997961984 cubed (19997961984³) is 7997554630002088057121122811904
• The square root of 19997961984 is 141414.1505790705
• The cube root of 19997961984 is 2714.3254130207

Scales and comparisons

• 19,997,961,984 seconds is equal to 635 years, 45 weeks, 2 days, 21 hours, 26 minutes, 24 seconds.
• To count from 1 to 19,997,961,984 would take you about one thousand, two hundred seventy-one 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 19997961984 cubic inches would be around 226.2 feet tall.

Recreational maths with 19997961984

• 19997961984 backwards is 48916979991
• 19997961984 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19997961984's digits is 72
• More coming soon!