21354869376

Names of 21354869376

• Cardinal: 21354869376 can be written as Twenty-one billion, three hundred fifty-four million, eight hundred sixty-nine thousand, three hundred seventy-six.

Scientific notation

• Scientific notation: 2.1354869376 × 10¹⁰

Factors of 21354869376

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 427

Divisors of 21354869376

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 128 144 151 192 216 271 288 302 384 432 453 542 576 604 813 864 906 1084 1152 1208 1359 1626 1728 1812 2168 2416 2439 2718 3252 3456 3624 4077 4336 4832 4878 5436 6504 7248 7317 8154 8672 9664 9756 10872 13008 14496 14634 16308 17344 19328 19512 21744 22801 26016 28992 29268 32616 34688 39024 40921 43488 45602 52032 57984 58536 65232 68403 78048 81842 86976 91204 104064 117072 122763 130464 136806 156096 163684 173952 182408 205209 234144 245526 260928 273612 312192 327368 364816 368289 410418 468288 491052 521856 547224 615627 654736 729632 736578 820836 936576 982104 1094448 1104867 1231254 1309472 1459264 1473156 1641672 1964208 2188896 2209734 2462508 2618944 2918528 2946312 3283344 3928416 4377792 4419468 4925016 5237888 5892624 6179071 6566688 7856832 8755584 8838936 9850032 11785248 12358142 13133376 15713664 17677872 18537213 19700064 23570496 24716284 26266752 35355744 37074426 39400128 47140992 49432568 55611639 70711488 74148852 78800256 98865136 111223278 141422976 148297704 166834917 197730272 222446556 296595408 333669834 395460544 444893112 593190816 667339668 790921088 889786224 1186381632 1334679336 1779572448 2372763264 2669358672 3559144896 5338717344 7118289792 10677434688 21354869376
• Sum of all divisors σ(n): 63680803200
• Sum of proper divisors (its aliquot sum) s(n): 42325933824
• 21354869376 is an abundant number, because the sum of its proper divisors (42325933824) is greater than itself. Its abundance is 20971064448

Bases of 21354869376

• Binary: 10011111000110110010111001010000000₂
• Hexadecimal: 0x4F8D97280
• Base-36: 9T64YO0

Squares and roots of 21354869376

• 21354869376 squared (21354869376²) is 456030446066022629376
• 21354869376 cubed (21354869376³) is 9738470607218926322184540389376
• The square root of 21354869376 is 146133.0536736983
• The cube root of 21354869376 is 2774.3780496581

Scales and comparisons

• 21,354,869,376 seconds is equal to 679 years, 6 days, 20 hours, 9 minutes, 36 seconds.
• To count from 1 to 21,354,869,376 would take you about one thousand, three hundred fifty-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 21354869376 cubic inches would be around 231.2 feet tall.

Recreational maths with 21354869376

• 21354869376 backwards is 67396845312
• 21354869376 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21354869376's digits is 54
• More coming soon!