21135160349320689

Names of 21135160349320689

• Cardinal: 21135160349320689 can be written as Twenty-one quadrillion, one hundred thirty-five trillion, one hundred sixty billion, three hundred forty-nine million, three hundred twenty thousand, six hundred eighty-nine.

Scientific notation

• Scientific notation: 2.1135160349320689 × 10¹⁶

Factors of 21135160349320689

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 960

Divisors of 21135160349320689

• Number of divisors d(n): 351
• Complete list of divisors:
  1 3 7 9 21 27 31 49 63 81 93 147 189 217 243 279 441 567 651 729 837 919 961 1323 1519 1701 1953 2187 2511 2757 2883 3969 4557 5103 5859 6433 6561 6727 7533 8271 8649 11907 13671 15309 17577 19299 19683 20181 22599 24813 25947 28489 35721 41013 45031 45927 47089 52731 57897 59049 60543 67797 74439 77841 85467 107163 123039 135093 137781 141267 158193 173691 177147 181629 199423 203391 223317 233523 256401 321489 369117 405279 413343 423801 474579 521073 531441 544887 598269 610173 669951 700569 769203 844561 883159 964467 1107351 1215837 1240029 1271403 1395961 1423737 1563219 1634661 1794807 1830519 2009853 2101707 2307609 2533683 2649477 2893401 3322053 3647511 3720087 3814209 4187883 4271211 4689657 4903983 5384421 5491557 5911927 6029559 6182113 6305121 6922827 7601049 7948431 8680203 9966159 10942533 11442627 12563649 12813633 14068971 14711949 16153263 16474671 17735781 18088677 18546339 18915363 20768481 22803147 23845293 26040609 26181391 29898477 32827599 34327881 37690947 38440899 41383489 42206913 43274791 44135847 48459789 53207343 54266031 55639017 56746089 62305443 68409441 71535879 78544173 89695431 98482797 102983643 113072841 115322697 124150467 126620739 129824373 132407541 145379367 159622029 162798093 166917051 170238267 183269737 186916329 205228323 214607637 235632519 269086293 295448391 308950929 339218523 372451401 379862217 389473119 397222623 436138101 478866087 488394279 500751153 510714801 549809211 560748987 615684969 643822911 706897557 807258879 811623121 886345173 926852787 1017655569 1117354203 1139586651 1168419357 1191667869 1282888159 1308414303 1436598261 1502253459 1649427633 1682246961 1847054907 1931468733 2120692671 2434869363 2659035519 2780558361 3052966707 3352062609 3418759953 3505258071 3575003607 3848664477 3925242909 4309794783 4506760377 4948282899 5046740883 5541164721 5681361847 5794406199 6362078013 7304608089 7977106557 8341675083 9158900121 10056187827 10515774213 11545993431 11775728727 12929384349 13520281131 14844848697 15140222649 16623494163 17044085541 17383218597 19086234039 21913824267 23931319671 25025025249 27476700363 30168563481 31547322639 34637980293 35327186181 38788153047 39769532929 40560843393 44534546091 49870482489 51132256623 52149655791 57258702117 65741472801 82430101089 90505690443 94641967917 103913940879 105981558543 116364459141 119308598787 121682530179 133603638273 149611447467 153396769869 156448967373 171776106351 197224418403 247290303267 271517071329 283925903751 311741822637 349093377423 357925796361 365047590537 400810914819 448834342401 460190309607 469346902119 515328319053 591673255209 741870909801 814551213987 851777711253 935225467911 1047280132269 1073777389083 1095142771611 1202432744457 1380570928821 1545984957159 1775019765627 2443653641961 2555333133759 2805676403733 3141840396807 3221332167249 3285428314833 3607298233371 4141712786463 4637954871477 5325059296881 7330960925883 7665999401277 8417029211199 9663996501747 10821894700113 12425138359389 13913864614431 15975177890643 21992882777649 22997998203831 25251087633597 28991989505241 32465684100339 37275415078167 47925533671929 75753262900791 86975968515723 97397052301017 111826245234501 143776601015787 227259788702373 260927905547169 335478735703503 431329803047361 681779366107119 782783716641507 1006436207110509 2348351149924521 3019308621331527 7045053449773563 21135160349320689
• Sum of all divisors σ(n): 38148195520840041
• Sum of proper divisors (its aliquot sum) s(n): 17013035171519352
• 21135160349320689 is a deficient number, because the sum of its proper divisors (17013035171519352) is less than itself. Its deficiency is 4122125177801337

Bases of 21135160349320689

• Binary: 1001011000101100101000011111100111001000110010111110001₂
• Hexadecimal: 0x4B1650FCE465F1
• Base-36: 5S3SEMIBE29

Squares and roots of 21135160349320689

• 21135160349320689 squared (21135160349320689²) is 446695002991497428675423763434721
• 21135160349320689 cubed (21135160349320689³) is 9440970515465583012490612234622364300349746242769
• 21135160349320689 is a perfect square number. Its square root is 145379367
• The cube root of 21135160349320689 is 276483.0525418571

Scales and comparisons

• 21,135,160,349,320,689 seconds is equal to 672,032,723 years, 39 weeks, 5 days, 11 hours, 18 minutes, 9 seconds.
• To count from 1 to 21,135,160,349,320,689 would take you about two billion, sixteen million, ninety-eight thousand, one hundred seventy-one 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 21135160349320689 cubic inches would be around 23040.3 feet tall.

Recreational maths with 21135160349320689

• 21135160349320689 backwards is 98602394306153112
• 21135160349320689 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21135160349320689's digits is 63
• More coming soon!