21365908034789124

Names of 21365908034789124

• Cardinal: 21365908034789124 can be written as Twenty-one quadrillion, three hundred sixty-five trillion, nine hundred eight billion, thirty-four million, seven hundred eighty-nine thousand, one hundred twenty-four.

Scientific notation

• Scientific notation: 2.1365908034789124 × 10¹⁶

Factors of 21365908034789124

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 72

Divisors of 21365908034789124

• Number of divisors d(n): 231
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 54 67 81 108 134 162 201 243 268 324 402 486 603 729 804 972 1206 1458 1809 2187 2412 2916 3618 4374 4489 5427 6561 7236 8748 8978 10854 13122 13467 16281 17956 19683 21708 26244 26934 32562 39366 40401 48843 53868 59049 65124 78732 80802 97686 118098 121203 146529 161604 195372 236196 242406 293058 300763 363609 439587 484812 586116 601526 727218 879174 902289 1090827 1203052 1318761 1454436 1758348 1804578 2181654 2637522 2706867 3272481 3609156 3956283 4363308 5275044 5413734 6544962 7912566 8120601 9817443 10827468 13089924 15825132 16241202 19634886 20151121 24361803 29452329 32482404 39269772 40302242 48723606 58904658 60453363 73085409 80604484 88356987 97447212 117809316 120906726 146170818 176713974 181360089 219256227 241813452 265070961 292341636 353427948 362720178 438512454 530141922 544080267 657768681 725440356 877024908 1060283844 1088160534 1315537362 1350125107 1632240801 1973306043 2176321068 2631074724 2700250214 3264481602 3946612086 4050375321 4896722403 5400500428 5919918129 6528963204 7893224172 8100750642 9793444806 11839836258 12151125963 14690167209 16201501284 17759754387 19586889612 23679672516 24302251926 29380334418 35519508774 36453377889 44070501627 48604503852 58760668836 71039017548 72906755778 88141003254 90458382169 109360133667 132211504881 145813511556 176282006508 180916764338 218720267334 264423009762 271375146507 328080401001 361833528676 396634514643 437440534668 528846019524 542750293014 656160802002 793269029286 814125439521 984241203003 1085500586028 1189903543929 1312321604004 1586538058572 1628250879042 1968482406006 2379807087858 2442376318563 2952723609009 3256501758084 3936964812012 4759614175716 4884752637126 5905447218018 7327128955689 8858170827027 9769505274252 11810894436036 14654257911378 17716341654054 21981386867067 26574512481081 29308515822756 35432683308108 43962773734134 53149024962162 65944160601201 79723537443243 87925547468268 106298049924324 131888321202402 159447074886486 197832481803603 263776642404804 318894149772972 395664963607206 593497445410809 791329927214412 1186994890821618 1780492336232427 2373989781643236 3560984672464854 5341477008697281 7121969344929708 10682954017394562 21365908034789124
• Sum of all divisors σ(n): 56934967623140887
• Sum of proper divisors (its aliquot sum) s(n): 35569059588351763
• 21365908034789124 is an abundant number, because the sum of its proper divisors (35569059588351763) is greater than itself. Its abundance is 14203151553562639

Bases of 21365908034789124

• Binary: 1001011111010000010111000011110101101111001111100000100₂
• Hexadecimal: 0x4BE82E1EB79F04
• Base-36: 5UDKYNCIK90

Squares and roots of 21365908034789124

• 21365908034789124 squared (21365908034789124²) is 456502026151066446779467148687376
• 21365908034789124 cubed (21365908034789124³) is 9753580308438585397797684737127079667019560898624
• 21365908034789124 is a perfect square number. Its square root is 146170818
• The cube root of 21365908034789124 is 277485.6006803829
• Being both a perfect square and a perfect cube, 21365908034789124 is also a perfect sixth number.

Scales and comparisons

• 21,365,908,034,789,124 seconds is equal to 679,369,786 years, 21 weeks, 3 days, 12 hours, 5 minutes, 24 seconds.
• To count from 1 to 21,365,908,034,789,124 would take you about two billion, thirty-eight million, one hundred nine thousand, three hundred fifty-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 21365908034789124 cubic inches would be around 23123.8 feet tall.

Recreational maths with 21365908034789124

• 21365908034789124 backwards is 42198743080956312
• The number of decimal digits it has is: 17
• The sum of 21365908034789124's digits is 72
• More coming soon!