16421938733655477

Names of 16421938733655477

• Cardinal: 16421938733655477 can be written as Sixteen quadrillion, four hundred twenty-one trillion, nine hundred thirty-eight billion, seven hundred thirty-three million, six hundred fifty-five thousand, four hundred seventy-seven.

Scientific notation

• Scientific notation: 1.6421938733655477 × 10¹⁶

Factors of 16421938733655477

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 10543

Divisors of 16421938733655477

• Number of divisors d(n): 270
• Complete list of divisors:
  1 3 9 11 17 27 33 51 53 81 99 121 153 159 187 289 297 363 459 477 561 583 867 891 901 1089 1377 1431 1683 1749 2057 2601 2703 3179 3267 4293 5049 5247 6171 6413 7803 8109 9537 9801 9911 10459 15147 15317 15741 18513 19239 23409 24327 28611 29733 31377 34969 45951 47223 55539 57717 72981 85833 89199 94131 104907 109021 115049 137853 166617 168487 173151 177803 257499 267597 282393 314721 327063 345147 413559 505461 519453 533409 554327 802791 847179 944163 981189 1035441 1240677 1265539 1516383 1600227 1662981 1853357 1955833 2832489 2943567 3022651 3106323 3796617 4549149 4800681 4988943 5560071 5867499 6097597 8830701 9067953 9318969 9423559 11389851 13647447 14402043 14966829 16680213 17602497 18292791 21514163 27203859 28270677 33249161 34169553 44900487 50040639 52807491 54878373 64542489 67073567 81611577 84812031 99747483 102508659 103659149 109390681 150121917 158422473 160200503 164635119 193627467 201220701 244834731 254436093 299242449 310977447 328172043 365740771 480601509 493905357 580882401 603662103 763308279 897727347 932932341 984516129 1097222313 1140250639 1203297491 1441804527 1742647203 1762205533 1810986309 1859641577 2693182041 2798797023 2953548387 3291666939 3420751917 3609892473 4325413581 5286616599 5432958927 5578924731 5797706093 8396391069 8860645161 9875000817 10262255751 10829677419 12976240743 13236272401 15859849797 16736774193 17393118279 19384260863 20456057347 29625002451 30786767253 31613906809 32489032257 39708817203 47579549391 50210322579 52179354837 58152782589 61368172041 63774767023 92360301759 94841720427 97467096771 98561003581 119126451609 142738648173 150630967737 156538064511 174458347767 184104516123 191324301069 225016630817 284525161281 295683010743 347752974899 357379354827 469614193533 523375043301 552313548369 573972903207 675049892451 701522437253 853575483843 887049032229 1043258924697 1072138064481 1084171039391 1570125129903 1656940645107 1675537060877 1721918709621 2025149677353 2104567311759 2560726451529 2661147096687 3129776774091 3252513118173 3825282723889 5026611182631 5165756128863 6075449032059 6313701935277 7983441290061 9389330322273 9757539354519 11475848171667 11925881433301 15079833547893 18226347096177 18430907669647 18941105805831 28167990966819 29272618063557 34427544515001 35777644299903 45239500643679 55292723008941 56823317417493 87817854190671 103282633545003 107332932899709 135718501931037 165878169026823 202739984366117 309847900635009 321998798699127 497634507080469 608219953098351 965996396097381 1492903521241407 1824659859295053 5473979577885159 16421938733655477
• Sum of all divisors σ(n): 29187103494709314
• Sum of proper divisors (its aliquot sum) s(n): 12765164761053837
• 16421938733655477 is a deficient number, because the sum of its proper divisors (12765164761053837) is less than itself. Its deficiency is 3656773972601640

Bases of 16421938733655477

• Binary: 111010010101111010101010010000101111100010010110110101₂
• Hexadecimal: 0x3A57AA90BE25B5
• Base-36: 4HP3AI84IB9

Squares and roots of 16421938733655477

• 16421938733655477 squared (16421938733655477²) is 269680071771934051559210932097529
• 16421938733655477 cubed (16421938733655477³) is 4428669616326512828026677065043321322829249016333
• The square root of 16421938733655477 is 128148112.4857306551
• The cube root of 16421938733655477 is 254180.0588116743

Scales and comparisons

• 16,421,938,733,655,477 seconds is equal to 522,166,855 years, 17 weeks, 4 days, 5 hours, 37 minutes, 57 seconds.
• To count from 1 to 16,421,938,733,655,477 would take you about one billion, five hundred sixty-six million, five hundred thousand, five hundred sixty-six 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 16421938733655477 cubic inches would be around 21181.7 feet tall.

Recreational maths with 16421938733655477

• 16421938733655477 backwards is 77455633783912461
• 16421938733655477 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 16421938733655477's digits is 81
• More coming soon!