155442533317764121

Names of 155442533317764121

• Cardinal: 155442533317764121 can be written as One hundred fifty-five quadrillion, four hundred forty-two trillion, five hundred thirty-three billion, three hundred seventeen million, seven hundred sixty-four thousand, one hundred twenty-one.

Scientific notation

• Scientific notation: 1.55442533317764121 × 10¹⁷

Factors of 155442533317764121

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1231

Divisors of 155442533317764121

• Number of divisors d(n): 243
• Complete list of divisors:
  1 11 13 17 121 143 157 169 187 221 289 1033 1573 1727 1859 2041 2057 2431 2669 2873 3179 3757 11363 13429 17561 18997 20449 22451 24649 26533 26741 29359 31603 34697 34969 41327 45373 48841 124993 147719 162181 174577 193171 228293 246961 271139 291863 298537 320437 322949 347633 381667 419033 451061 454597 499103 537251 589849 1067089 1624909 1783991 1920347 2108353 2124881 2511223 2757077 2967809 2982529 3210493 3283907 3524807 3880981 4165681 4198337 4609363 4961671 5447429 5490133 5909761 6488339 7123561 7668037 11737979 13872157 18140513 19623901 21123817 23191883 25462417 27408589 27623453 30327847 32645899 35842001 36122977 38772877 42690791 45822491 46870309 50452753 50702993 54578381 59921719 70816577 71371729 78359171 84348407 92606293 129117769 152593727 167532973 180338041 199545643 235826669 255110713 280086587 301494479 308388721 331011421 333606317 359104889 394262011 432861089 465946013 469598701 504047401 515573399 554980283 609314017 659138909 778982347 861950881 927832477 1018669223 1203881809 1678530997 1842862703 1983718451 2177928649 2195002073 2594093359 2848060541 3065746697 3080952457 3316439269 3392275931 3641125631 4009053373 4303148473 4336882121 4761471979 5125406143 5627194157 5671307389 6104783113 6702454187 7358638513 7921082221 8568805817 11205361453 13242699899 20271489733 21820902961 23957215139 26302676761 28313072437 28535026949 31328665951 33723213667 37024787033 37315035241 40052381941 44099587103 47334633203 48417029197 52117693849 52376191769 56379467573 61899135727 73153524041 73726996057 80945023643 87131904431 95662300669 145669698889 263529366529 289329444371 311443796807 341934797893 344615325461 370955350337 407272657363 447145504937 481322231429 485095458133 520680965233 532587321167 573294632339 629421379561 680890492997 804688764451 890395260073 958450948741 1052285307359 1243609908697 3182623888081 3425881764877 3761282776823 4445152372609 4479999230993 4918600554307 5294544545719 5812891564181 5858460532837 6306240955729 6923635175171 7601473583929 8182477934293 8851576408961 11575138380949 13679708995667 41374110545053 48896676098699 54104606097377 58239990002909 63941807205991 75567590334353 76159986926881 83616209423219 90007257277223 98819156591077 150476798952337 537863437085689 703359879265901 831243493677883 919778303655409 990079830049453 1087010722501847 1284649035684001 9143678430456713 11957117947520317 14131139392524011 155442533317764121
• Sum of all divisors σ(n): 197986974769882053
• Sum of proper divisors (its aliquot sum) s(n): 42544441452117932
• 155442533317764121 is a deficient number, because the sum of its proper divisors (42544441452117932) is less than itself. Its deficiency is 112898091865646189

Bases of 155442533317764121

• Binary: 1000101000001111100010100100010101011001000110010000011001₂
• Hexadecimal: 0x2283E2915646419
• Base-36: 16IJS1ZM4BA1

Squares and roots of 155442533317764121

• 155442533317764121 squared (155442533317764121²) is 24162381164244208830491022594902641
• 155442533317764121 cubed (155442533317764121³) is 3755861739159546663115509834273317198690029797943561
• 155442533317764121 is a perfect square number. Its square root is 394262011
• The cube root of 155442533317764121 is 537679.2647475847

Scales and comparisons

• 155,442,533,317,764,121 seconds is equal to 4,942,591,744 years, 9 weeks, 2 days, 12 hours, 42 minutes, 1 second.
• To count from 1 to 155,442,533,317,764,121 would take you about fourteen billion, eight hundred twenty-seven million, seven hundred seventy-five thousand, two hundred thirty-two 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 155442533317764121 cubic inches would be around 44806.6 feet tall.

Recreational maths with 155442533317764121

• 155442533317764121 backwards is 121467713335244551
• The number of decimal digits it has is: 18
• The sum of 155442533317764121's digits is 64
• More coming soon!