21523011552

Names of 21523011552

• Cardinal: 21523011552 can be written as Twenty-one billion, five hundred twenty-three million, eleven thousand, five hundred fifty-two.

Scientific notation

• Scientific notation: 2.1523011552 × 10¹⁰

Factors of 21523011552

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 238

Divisors of 21523011552

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 47 48 54 56 63 72 81 84 94 96 108 112 126 141 144 162 168 179 188 189 216 224 243 252 282 288 324 329 336 358 376 378 423 432 486 504 537 564 567 648 658 672 716 752 756 846 864 972 987 1008 1074 1128 1134 1253 1269 1296 1316 1432 1504 1512 1611 1692 1701 1944 1974 2016 2148 2209 2256 2268 2506 2538 2592 2632 2864 2961 3024 3222 3384 3402 3759 3807 3888 3948 4296 4418 4512 4536 4833 5012 5076 5264 5728 5922 6048 6444 6627 6768 6804 7518 7614 7776 7896 8413 8592 8836 8883 9072 9666 10024 10152 10528 11277 11421 11844 12888 13254 13536 13608 14499 15036 15228 15463 15792 16826 17184 17672 17766 18144 19332 19881 20048 20304 22554 22842 23688 25239 25776 26508 26649 27216 28998 30072 30456 30926 31584 33652 33831 35344 35532 38664 39762 40096 40608 43497 45108 45684 46389 47376 50478 51552 53016 53298 54432 57996 58891 59643 60144 60912 61852 67304 67662 70688 71064 75717 77328 79524 79947 86994 90216 91368 92778 94752 100956 101493 106032 106596 115992 117782 119286 120288 121824 123704 134608 135324 139167 142128 151434 154656 159048 159894 173988 176673 178929 180432 182736 185556 201912 202986 212064 213192 227151 231984 235564 238572 247408 269216 270648 278334 284256 302868 304479 318096 319788 347976 353346 357858 360864 365472 371112 395411 403824 405972 417501 426384 454302 463968 471128 477144 494816 530019 536787 541296 556668 605736 608958 636192 639576 681453 695952 706692 715716 742224 790822 807648 811944 835002 852768 908604 942256 954288 1060038 1073574 1082592 1113336 1186233 1211472 1217916 1252503 1279152 1362906 1391904 1413384 1431432 1484448 1581644 1590057 1623888 1670004 1817208 1884512 1908576 2044359 2120076 2147148 2226672 2372466 2422944 2435832 2505006 2558304 2725812 2767877 2826768 2862864 3163288 3180114 3247776 3340008 3558699 3634416 3757509 4088718 4240152 4294296 4453344 4744932 4770171 4871664 5010012 5451624 5535754 5653536 5725728 6326576 6360228 6680016 7117398 7268832 7515018 8177436 8303631 8480304 8588592 9489864 9540342 9743328 10020024 10676097 10903248 11071508 12653152 12720456 13360032 14234796 14310513 15030036 16354872 16607262 16960608 17177184 18979728 19080684 20040048 21352194 21806496 22143016 24910893 25440912 28469592 28621026 30060072 32028291 32709744 33214524 37959456 38161368 40080096 42704388 44286032 49821786 50881824 56939184 57242052 60120144 64056582 65419488 66429048 74732679 76322736 85408776 88572064 96084873 99643572 113878368 114484104 120240288 128113164 132858096 149465358 152645472 170817552 192169746 199287144 224198037 228968208 256226328 265716192 298930716 341635104 384339492 398574288 448396074 457936416 512452656 597861432 672594111 768678984 797148576 896792148 1024905312 1195722864 1345188222 1537357968 1793584296 2391445728 2690376444 3074715936 3587168592 5380752888 7174337184 10761505776 21523011552
• Sum of all divisors σ(n): 74530834560
• Sum of proper divisors (its aliquot sum) s(n): 53007823008
• 21523011552 is an abundant number, because the sum of its proper divisors (53007823008) is greater than itself. Its abundance is 31484811456

Bases of 21523011552

• Binary: 10100000010110111110001011111100000₂
• Hexadecimal: 0x502DF17E0
• Base-36: 9VY8U00

Squares and roots of 21523011552

• 21523011552 squared (21523011552²) is 463240026267525448704
• 21523011552 cubed (21523011552³) is 9970320436704733674910175428608
• The square root of 21523011552 is 146707.2307420463
• The cube root of 21523011552 is 2781.6405767705

Scales and comparisons

• 21,523,011,552 seconds is equal to 684 years, 18 weeks, 6 days, 22 hours, 19 minutes, 12 seconds.
• To count from 1 to 21,523,011,552 would take you about one thousand, three hundred sixty-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 21523011552 cubic inches would be around 231.8 feet tall.

Recreational maths with 21523011552

• 21523011552 backwards is 25511032512
• 21523011552 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21523011552's digits is 27
• More coming soon!