991422547216164

Names of 991422547216164

• Cardinal: 991422547216164 can be written as Nine hundred ninety-one trillion, four hundred twenty-two billion, five hundred forty-seven million, two hundred sixteen thousand, one hundred sixty-four.

Scientific notation

• Scientific notation: 9.91422547216164 × 10¹⁴

Factors of 991422547216164

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 4729

Divisors of 991422547216164

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 28 31 36 42 62 63 84 93 124 126 186 217 252 279 372 434 558 651 868 961 1063 1116 1302 1922 1953 2126 2604 2883 3189 3623 3844 3906 4252 5766 6378 6727 7246 7441 7812 8649 9567 10869 11532 12756 13454 14492 14882 17298 19134 20181 21738 22323 25361 26908 29764 32607 32953 34596 38268 40362 43476 44646 50722 60543 65214 65906 66969 76083 80724 89292 98859 101444 112313 121086 130428 131812 133938 152166 197718 224626 228249 230671 242172 267876 296577 304332 336939 395436 449252 456498 461342 593154 673878 692013 786191 912996 922684 1010817 1021543 1129969 1186308 1347756 1384026 1572382 2021634 2043086 2076039 2259938 2358573 2768052 3064629 3144764 3389907 3481703 3851249 4043268 4086172 4152078 4519876 4717146 6129258 6779814 6963406 7075719 7150801 7702498 7909783 8304156 9193887 9434292 10169721 10445109 11553747 12258516 13559628 13926812 14151438 14301602 15404996 15819566 18387774 20339442 20890218 21452403 23107494 23729349 24371921 26958743 28302876 28603204 31335327 31639132 34661241 35029039 36775548 40678884 41780436 42904806 46214988 47458698 48743842 53917486 62670654 64357209 69322482 70058078 71188047 73115763 80876229 85809612 94917396 97487684 105087117 107834972 119388719 125341308 128714418 138644964 140116156 142376094 146231526 161752458 210174234 219347289 238777438 242628687 245203273 257428836 284752188 292463052 315261351 323504916 358166157 420348468 438694578 477554876 485257374 490406546 630522702 716332314 735609819 835721033 877389156 970514748 980813092 1074498471 1085900209 1261045404 1432664628 1471219638 1671442066 2148996942 2171800418 2206829457 2507163099 2942439276 3257700627 3342884132 3701050289 4093877687 4297993884 4343600836 4413658914 5014326198 6515401254 7402100578 7521489297 7601301463 8187755374 8827317828 9773101881 10028652396 11103150867 12281633061 13030802508 14804201156 15042978594 15202602926 16375510748 19546203762 22206301734 22803904389 24563266122 25907352023 28657143809 30085957188 30405205852 33309452601 36844899183 39092407524 44412603468 45607808778 49126532244 51814704046 57314287618 66618905202 68411713167 73689798366 77722056069 85971431427 91215617556 103629408092 114628575236 126910208297 133237810404 136823426334 147379596732 155444112138 171942862854 233166168207 253820416594 257914294281 273646852668 310888224276 343885725708 380730624891 466332336414 507640833188 515828588562 761461249782 888371458079 932664672828 1031657177124 1142191874673 1522922499564 1776742916158 2284383749346 2665114374237 3553485832316 3934216457207 4568767498692 5330228748474 7868432914414 7995343122711 10660457496948 11802649371621 15736865828828 15990686245422 23605298743242 27539515200449 31981372490844 35407948114863 47210597486484 55079030400898 70815896229726 82618545601347 110158060801796 141631792459452 165237091202694 247855636804041 330474182405388 495711273608082 991422547216164
• Sum of all divisors σ(n): 2963084886111168
• Sum of proper divisors (its aliquot sum) s(n): 1971662338895004
• 991422547216164 is an abundant number, because the sum of its proper divisors (1971662338895004) is greater than itself. Its abundance is 980239791678840

Bases of 991422547216164

• Binary: 11100001011011000110001100101111111100011100100100₂
• Hexadecimal: 0x385B18CBFC724
• Base-36: 9RFH8AU9T0

Squares and roots of 991422547216164

• 991422547216164 squared (991422547216164²) is 982918667128586935946142874896
• 991422547216164 cubed (991422547216164³) is 974487728670940467307834690277156708521018944
• The square root of 991422547216164 is 31486863.0894880349
• The cube root of 991422547216164 is 99713.2635149149

Scales and comparisons

• 991,422,547,216,164 seconds is equal to 31,524,170 years, 17 weeks, 1 day, 4 hours, 29 minutes, 24 seconds.
• To count from 1 to 991,422,547,216,164 would take you about seventy-eight million, eight hundred ten thousand, four hundred twenty-five 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 991422547216164 cubic inches would be around 8309.4 feet tall.

Recreational maths with 991422547216164

• 991422547216164 backwards is 461612745224199
• 991422547216164 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 991422547216164's digits is 63
• More coming soon!