990872512026831848169

Names of 990872512026831848169

• Cardinal: 990872512026831848169 can be written as Nine hundred ninety quintillion, eight hundred seventy-two quadrillion, five hundred twelve trillion, twenty-six billion, eight hundred thirty-one million, eight hundred forty-eight thousand, one hundred sixty-nine.

Scientific notation

• Scientific notation: 9.90872512026831848169 × 10²⁰

Factors of 990872512026831848169

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 152673677684

Divisors of 990872512026831848169

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 21 31 63 93 217 279 651 1033 1953 3099 3217 7231 9297 9651 21693 22519 28953 32023 65079 67557 96069 99727 202671 224161 288207 299181 672483 698089 897543 2017449 2094267 3323161 6282801 9969483 23262127 29908449 69786381 103017991 209359143 309053973 721125937 927161919 2163377811 6490133433 152673673393 458021020179 1068715713751 1374063060537 3206147141253 4732883875183 9618441423759 14198651625549 33130187126281 42595954876647 99390561378843 157711904614969 298171684136529 473135713844907 491151207305281 1103983332304783 1419407141534721 1473453621915843 3311949996914349 3438058451136967 4420360865747529 4889069043064039 9935849990743047 10314175353410901 14667207129192117 15225687426463711 30942526060232703 34223483301448273 44001621387576351 45677062279391133 102670449904344819 106579811985245977 137031186838173399 308011349713034457 319739435955737931 507359197146355273 959218307867213793 1522077591439065819 3551514380024486911 4566232774317197457 10654543140073460733 15728135111537013463 31963629420220382199 47184405334611040389 110096945780759094241 141553216003833121167 330290837342277282723 990872512026831848169
• Sum of all divisors σ(n): 1690651332648599619584
• Sum of proper divisors (its aliquot sum) s(n): 699778820621767771415
• 990872512026831848169 is a deficient number, because the sum of its proper divisors (699778820621767771415) is less than itself. Its deficiency is 291093691405064076754

Bases of 990872512026831848169

• Binary: 1101011011011100011110010100111101001000100010010010011000001011101001₂
• Hexadecimal: 0x35B71E53D2224982E9
• Base-36: 5T46NIO5GIQ609

Squares and roots of 990872512026831848169

• 990872512026831848169 squared (990872512026831848169²) is 981828335090364025594359209132164268652561
• 990872512026831848169 cubed (990872512026831848169³) is 972866708770111017850281705012808425158687123214084442965010809
• The square root of 990872512026831848169 is 31478127517.7992734455
• The cube root of 990872512026831848169 is 9969482.0000000011

Scales and comparisons

• 990,872,512,026,831,848,169 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 990,872,512,026,831,848,169 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 990872512026831848169 cubic inches would be around 830790.2 feet tall.

Recreational maths with 990872512026831848169

• 990872512026831848169 backwards is 961848138620215278099
• The number of decimal digits it has is: 21
• The sum of 990872512026831848169's digits is 99
• More coming soon!