21397723776

Names of 21397723776

• Cardinal: 21397723776 can be written as Twenty-one billion, three hundred ninety-seven million, seven hundred twenty-three thousand, seven hundred seventy-six.

Scientific notation

• Scientific notation: 2.1397723776 × 10¹⁰

Factors of 21397723776

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1551

Divisors of 21397723776

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 16 18 22 24 26 27 29 32 33 36 39 44 48 52 54 58 64 66 72 78 87 88 96 99 104 108 116 117 128 132 143 144 156 174 176 192 198 208 216 232 234 261 264 286 288 297 312 319 348 351 352 377 384 396 416 429 432 464 468 522 528 572 576 594 624 638 696 702 704 754 783 792 832 858 864 928 936 957 1044 1056 1131 1144 1152 1188 1248 1276 1287 1392 1404 1408 1493 1508 1566 1584 1664 1716 1728 1856 1872 1914 2088 2112 2262 2288 2376 2496 2552 2574 2784 2808 2871 2986 3016 3132 3168 3393 3432 3456 3712 3744 3828 3861 4147 4176 4224 4479 4524 4576 4752 4992 5104 5148 5568 5616 5742 5972 6032 6264 6336 6786 6864 7488 7656 7722 8294 8352 8613 8958 9048 9152 9504 10179 10208 10296 11136 11232 11484 11944 12064 12441 12528 12672 13437 13572 13728 14976 15312 15444 16423 16588 16704 17226 17916 18096 18304 19008 19409 20358 20416 20592 22464 22968 23888 24128 24882 25056 26874 27144 27456 30624 30888 32846 33176 33408 34452 35832 36192 37323 38016 38818 40311 40716 40832 41184 43297 44928 45936 47776 48256 49269 49764 50112 53748 54288 54912 58227 61248 61776 65692 66352 68904 71664 72384 74646 77636 80622 81432 82368 86594 91872 95552 98538 99528 100224 107496 108576 111969 116454 122496 123552 129891 131384 132704 137808 143328 144768 147807 149292 155272 161244 162864 164736 173188 174681 183744 191104 197076 199056 213499 214992 217152 223938 232908 247104 259782 262768 265408 275616 286656 295614 298584 310544 322488 325728 346376 349362 367488 389673 394152 398112 426998 429984 434304 443421 447876 465816 476267 494208 519564 524043 525536 530816 551232 562861 573312 591228 597168 621088 640497 644976 651456 692752 698724 779346 788304 796224 853996 859968 886842 895752 931632 952534 1039128 1048086 1051072 1102464 1125722 1169019 1182456 1194336 1242176 1280994 1289952 1302912 1385504 1397448 1428801 1558692 1576608 1592448 1688583 1707992 1719936 1773684 1791504 1863264 1905068 1921491 2078256 2096172 2102144 2251444 2338038 2364912 2388672 2484352 2561988 2579904 2771008 2794896 2857602 3117384 3153216 3377166 3415984 3547368 3583008 3726528 3810136 3842982 4156512 4192344 4286403 4502888 4676076 4729824 4777344 5065749 5123976 5159808 5542016 5589792 5715204 5764473 6191471 6234768 6306432 6754332 6831968 7094736 7166016 7453056 7620272 7685964 8313024 8384688 8572806 9005776 9352152 9459648 10131498 10247952 11179584 11430408 11528946 12382942 12469536 12859209 13508664 13663936 14189472 14332032 15197247 15240544 15371928 16626048 16769376 17145612 18011552 18574413 18704304 18919296 20262996 20495904 22359168 22860816 23057892 24765884 24939072 25718418 27017328 27327872 28378944 30394494 30481088 30743856 33538752 34291224 36023104 37148826 37408608 40525992 40991808 45721632 46115784 49531768 49878144 51436836 54034656 55723239 56757888 60788988 60962176 61487712 67077504 68582448 72046208 74297652 74817216 81051984 81983616 91443264 92231568 99063536 102873672 108069312 111446478 121577976 122975424 137164896 148595304 149634432 162103968 167169717 182886528 184463136 198127072 205747344 216138624 222892956 243155952 245950848 274329792 297190608 324207936 334339434 368926272 396254144 411494688 445785912 486311904 548659584 594381216 648415872 668678868 737852544 792508288 822989376 891571824 972623808 1188762432 1337357736 1645978752 1783143648 1945247616 2377524864 2674715472 3566287296 5349430944 7132574592 10698861888 21397723776
• Sum of all divisors σ(n): 76803552000
• Sum of proper divisors (its aliquot sum) s(n): 55405828224
• 21397723776 is an abundant number, because the sum of its proper divisors (55405828224) is greater than itself. Its abundance is 34008104448

Bases of 21397723776

• Binary: 10011111011011001110101101010000000₂
• Hexadecimal: 0x4FB675A80
• Base-36: 9TVNHC0

Squares and roots of 21397723776

• 21397723776 squared (21397723776²) is 457862582793995698176
• 21397723776 cubed (21397723776³) is 9797217073991850260902315032576
• The square root of 21397723776 is 146279.6082029207
• The cube root of 21397723776 is 2776.2326596741

Scales and comparisons

• 21,397,723,776 seconds is equal to 680 years, 19 weeks, 5 days, 20 hours, 9 minutes, 36 seconds.
• To count from 1 to 21,397,723,776 would take you about one thousand, three hundred sixty 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 21397723776 cubic inches would be around 231.4 feet tall.

Recreational maths with 21397723776

• 21397723776 backwards is 67732779312
• 21397723776 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21397723776's digits is 54
• More coming soon!