21402446693688

Names of 21402446693688

• Cardinal: 21402446693688 can be written as Twenty-one trillion, four hundred two billion, four hundred forty-six million, six hundred ninety-three thousand, six hundred eighty-eight.

Scientific notation

• Scientific notation: 2.1402446693688 × 10¹³

Factors of 21402446693688

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 450

Divisors of 21402446693688

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 31 36 41 62 72 82 93 123 124 164 186 246 248 279 328 369 372 373 492 558 738 744 746 984 1116 1119 1271 1476 1492 1681 2232 2238 2542 2952 2984 3357 3362 3813 4476 5043 5084 6714 6724 7626 8952 10086 10168 11439 11563 13428 13448 15129 15252 15293 20172 22878 23126 26856 30258 30504 30586 34689 40344 45756 45879 46252 52111 60516 61172 68921 69378 91512 91758 92504 104067 104222 121032 122344 137637 137842 138756 139129 156333 183516 206763 208134 208444 275274 275684 277512 278258 312666 367032 413526 416268 416888 417387 468999 474083 550548 551368 556516 620289 625332 627013 827052 832536 834774 937998 948166 1101096 1113032 1240578 1250664 1252161 1254026 1422249 1654104 1669548 1875996 1881039 1896332 2136551 2481156 2504322 2508052 2844498 3339096 3751992 3762078 3792664 4266747 4273102 4312999 4962312 5008644 5016104 5643117 5688996 5704289 6409653 7524156 8533494 8546204 8625998 10017288 11286234 11377992 11408578 12819306 12938997 15048312 17066988 17092408 17112867 17251996 19228959 19437403 22572468 22817156 25638612 25707533 25877994 34133976 34225734 34503992 38457918 38816991 38874806 45144936 45634312 51277224 51338601 51415066 51755988 58312209 68451468 76915836 77122599 77633982 77749612 102677202 102830132 103511976 116624418 136902936 153831672 154245198 155267964 155499224 174936627 176832959 205354404 205660264 231367797 233248836 233875849 308490396 310535928 349873254 353665918 410708808 462735594 466497672 467751698 530498877 616980792 699746508 701627547 707331836 796933523 925471188 935503396 1060997754 1399493016 1403255094 1414663672 1591496631 1593867046 1850942376 1871006792 2104882641 2121995508 2390800569 2806510188 3182993262 3187734092 4209765282 4243991016 4781601138 5613020376 6365986524 6375468184 7172401707 7250151319 8419530564 9563202276 9588909809 12731973048 14344803414 14500302638 16839061128 19126404552 19177819618 21750453957 28689606828 28766729427 29000605276 38355639236 43500907914 57379213656 57533458854 58001210552 65251361871 76711278472 86300188281 87001815828 115066917708 130502723742 172600376562 174003631656 230133835416 261005447484 297256204079 345200753124 522010894968 594512408158 690401506248 891768612237 1189024816316 1783537224474 2378049632632 2675305836711 3567074448948 5350611673422 7134148897896 10701223346844 21402446693688
• Sum of all divisors σ(n): 61495511575680
• Sum of proper divisors (its aliquot sum) s(n): 40093064881992
• 21402446693688 is an abundant number, because the sum of its proper divisors (40093064881992) is greater than itself. Its abundance is 18690618188304

Bases of 21402446693688

• Binary: 100110111011100100101001110111000010100111000₂
• Hexadecimal: 0x1377253B8538
• Base-36: 7L45C5ZY0

Squares and roots of 21402446693688

• 21402446693688 squared (21402446693688²) is 458064724476156402899041344
• 21402446693688 cubed (21402446693688³) is 9803705847859818293016958630957615836672
• The square root of 21402446693688 is 4626277.8444109905
• The cube root of 21402446693688 is 27764.3690186197

Scales and comparisons

• 21,402,446,693,688 seconds is equal to 680,531 years, 31 weeks, 2 days, 9 hours, 34 minutes, 48 seconds.
• To count from 1 to 21,402,446,693,688 would take you about one million, seven hundred one thousand, three hundred twenty-nine 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 21402446693688 cubic inches would be around 2313.7 feet tall.

Recreational maths with 21402446693688

• 21402446693688 backwards is 88639664420412
• The number of decimal digits it has is: 14
• The sum of 21402446693688's digits is 63
• More coming soon!