21456506016

Names of 21456506016

• Cardinal: 21456506016 can be written as Twenty-one billion, four hundred fifty-six million, five hundred six thousand and sixteen.

Scientific notation

• Scientific notation: 2.1456506016 × 10¹⁰

Factors of 21456506016

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 96

Divisors of 21456506016

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 37 43 44 48 54 66 72 74 81 86 88 96 99 108 111 121 129 132 144 148 162 172 176 198 216 222 242 258 264 288 296 297 324 333 344 352 363 387 396 407 432 444 473 484 516 528 592 594 648 666 688 726 774 792 814 864 888 891 946 968 999 1032 1056 1089 1161 1184 1188 1221 1296 1332 1376 1419 1452 1548 1584 1591 1628 1776 1782 1849 1892 1936 1998 2064 2178 2322 2376 2442 2592 2664 2838 2904 2997 3096 3168 3182 3256 3267 3483 3552 3564 3663 3698 3784 3872 3996 4128 4257 4356 4477 4644 4752 4773 4884 5203 5328 5547 5676 5808 5994 6192 6364 6512 6534 6966 7128 7326 7396 7568 7992 8514 8712 8954 9288 9504 9546 9768 9801 10406 10656 10989 11094 11352 11616 11988 12384 12728 12771 13024 13068 13431 13932 14256 14319 14652 14792 15136 15609 15984 16641 17028 17424 17501 17908 18576 19092 19536 19602 20339 20812 21978 22188 22704 23976 25456 25542 26136 26862 27864 28512 28638 29304 29584 31218 31968 32967 33282 34056 34848 35002 35816 37152 38184 38313 39072 39204 40293 40678 41624 42957 43956 44376 45408 46827 47952 49923 50912 51084 52272 52503 53724 55728 57276 58608 59168 61017 62436 65934 66564 68112 68413 70004 71632 76368 76626 78408 80586 81356 83248 85914 87912 88752 93654 95904 99846 102168 104544 105006 107448 111456 114552 117216 120879 122034 124872 128871 131868 133128 136224 136826 140008 140481 143264 149769 152736 153252 156816 157509 161172 162712 166496 171828 175824 177504 183051 187308 192511 199692 204336 205239 210012 214896 223729 229104 241758 244068 249744 257742 263736 266256 273652 280016 280962 299538 306504 313632 315018 322344 325424 343656 351648 362637 366102 374616 385022 399384 408672 410478 420024 421443 429792 447458 458208 472527 483516 488136 499488 515484 527472 532512 547304 549153 560032 561924 577533 599076 613008 615717 630036 644688 650848 671187 687312 725274 732204 749232 752543 770044 798768 820956 840048 842886 894916 945054 967032 976272 1030968 1054944 1094608 1098306 1123848 1155066 1198152 1226016 1231434 1260072 1289376 1342374 1374624 1417581 1450548 1464408 1498464 1505086 1540088 1597536 1641912 1647459 1680096 1685772 1732599 1789832 1847151 1890108 1934064 1952544 2013561 2061936 2189216 2196612 2247696 2257629 2310132 2396304 2462868 2520144 2684748 2835162 2901096 2928816 3010172 3080176 3283824 3294918 3371544 3465198 3579664 3694302 3780216 3868128 4027122 4123872 4393224 4495392 4515258 4620264 4792608 4925736 5040288 5197797 5369496 5541453 5670324 5802192 5857632 6020344 6040683 6160352 6567648 6589836 6743088 6772887 6930396 7159328 7388604 7560432 8054244 8277973 8786448 9030516 9240528 9851472 10395594 10738992 11082906 11340648 11604384 12040688 12081366 13179672 13486176 13545774 13860792 14777208 15120864 15593391 16108488 16555946 17572896 18061032 18122049 18481056 19702944 20318661 20791188 21477984 22165812 22681296 24081376 24162732 24833919 26359344 27091548 27721584 29554416 31186782 32216976 33111892 36122064 36244098 40637322 41582376 44331624 45362592 48325464 49667838 52718688 54183096 55443168 59108832 60955983 62373564 64433952 66223784 72244128 72488196 74501757 81274644 83164752 88663248 96650928 99335676 108366192 121911966 124747128 132447568 144976392 149003514 162549288 166329504 177326496 193301856 198671352 216732384 223505271 243823932 249494256 264895136 289952784 298007028 325098576 397342704 447010542 487647864 498988512 579905568 596014056 650197152 670515813 794685408 894021084 975295728 1192028112 1341031626 1788042168 1950591456 2384056224 2682063252 3576084336 5364126504 7152168672 10728253008 21456506016
• Sum of all divisors σ(n): 72930933306
• Sum of proper divisors (its aliquot sum) s(n): 51474427290
• 21456506016 is an abundant number, because the sum of its proper divisors (51474427290) is greater than itself. Its abundance is 30017921274

Bases of 21456506016

• Binary: 10011111110111010000100110010100000₂
• Hexadecimal: 0x4FEE84CA0
• Base-36: 9UUNE00

Squares and roots of 21456506016

• 21456506016 squared (21456506016²) is 460381650414644192256
• 21456506016 cubed (21456506016³) is 9878181651777822005640324612096
• The square root of 21456506016 is 146480.3946472019
• The cube root of 21456506016 is 2778.7725554507

Scales and comparisons

• 21,456,506,016 seconds is equal to 682 years, 13 weeks, 4 hours, 33 minutes, 36 seconds.
• To count from 1 to 21,456,506,016 would take you about one thousand, three hundred sixty-four 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 21456506016 cubic inches would be around 231.6 feet tall.

Recreational maths with 21456506016

• 21456506016 backwards is 61060565412
• 21456506016 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21456506016's digits is 36
• More coming soon!