31905493818345

Names of 31905493818345

• Cardinal: 31905493818345 can be written as Thirty-one trillion, nine hundred five billion, four hundred ninety-three million, eight hundred eighteen thousand, three hundred forty-five.

Scientific notation

• Scientific notation: 3.1905493818345 × 10¹³

Factors of 31905493818345

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 365

Divisors of 31905493818345

• Number of divisors d(n): 256
• Complete list of divisors:
  1 3 5 7 9 15 19 21 27 35 45 49 57 63 95 105 133 135 147 171 189 245 285 315 331 343 399 441 513 665 735 855 931 945 993 1029 1197 1323 1655 1715 1995 2205 2317 2565 2793 2979 3087 3591 4655 4965 5145 5985 6289 6517 6615 6951 8379 8937 9261 11585 13965 14895 15435 16219 17955 18867 19551 20853 25137 31445 32585 34755 41895 44023 44685 46305 48657 56601 58653 62559 81095 94335 97755 104265 109561 113533 125685 132069 145971 169803 175959 220115 243285 283005 293265 308161 312795 328683 340599 396207 437913 547805 567665 660345 729855 766927 849015 879795 924483 986049 1021797 1188621 1540805 1643415 1702995 1981035 2081659 2157127 2189565 2300781 2773449 2958147 3065391 3834635 4622415 4930245 5108985 5368489 5943105 6244977 6471381 6902343 8320347 10408295 10785635 11503905 13867245 14571613 14790735 15326955 16105467 18734931 19414143 20707029 26842445 31224885 32356905 34511715 36264691 37579423 41601735 43714839 48316401 56204793 58242429 72858065 80527335 93674655 97070715 102001291 103535145 108794073 112738269 131144517 144949203 181323455 187897115 218574195 241582005 253852837 281023965 291212145 306003873 326382219 338214807 393433551 510006455 543970365 563691345 655722585 689029129 714009037 724746015 761558511 918011619 979146657 1014644421 1269264185 1530019365 1631911095 1691074035 1776969859 1967167755 2067087387 2142027111 2284675533 2754034857 3445145645 3570045185 3807792555 4590058095 4823203903 4895733285 5073222105 5330909577 6201262161 6426081333 6854026599 8884849295 10335436935 10710135555 11423377665 12438789013 13770174285 14469611709 15992728731 18603786483 19278243999 24116019515 26654547885 31006310805 32130406665 33762427321 34270132995 37316367039 43408835127 47978186193 62193945065 72348058545 79963643655 93018932415 96391219995 101287281963 111949101117 130226505381 168812136605 186581835195 217044175635 236336991247 239890930965 303861845889 335847303351 506436409815 559745505585 651132526905 709010973741 911585537667 1181684956235 1519309229445 1679236516755 2127032921223 3545054868705 4557927688335 6381098763669 10635164606115 31905493818345
• Sum of all divisors σ(n): 69839201280000
• Sum of proper divisors (its aliquot sum) s(n): 37933707461655
• 31905493818345 is an abundant number, because the sum of its proper divisors (37933707461655) is greater than itself. Its abundance is 6028213643310

Bases of 31905493818345

• Binary: 111010000010010010011101000000001101111101001₂
• Hexadecimal: 0x1D0493A01BE9
• Base-36: BB56J8S89

Squares and roots of 31905493818345

• 31905493818345 squared (31905493818345²) is 1017960535792451007858539025
• 31905493818345 cubed (31905493818345³) is 32478533582045209747146881878360443413625
• The square root of 31905493818345 is 5648494.8276815303
• The cube root of 31905493818345 is 31716.7362185749

Scales and comparisons

• 31,905,493,818,345 seconds is equal to 1,014,496 years, 4 days, 19 hours, 45 minutes, 45 seconds.
• To count from 1 to 31,905,493,818,345 would take you about two million, five hundred thirty-six thousand, two hundred forty 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 31905493818345 cubic inches would be around 2643.1 feet tall.

Recreational maths with 31905493818345

• 31905493818345 backwards is 54381839450913
• 31905493818345 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 31905493818345's digits is 63
• More coming soon!