40405387302

Names of 40405387302

• Cardinal: 40405387302 can be written as Forty billion, four hundred five million, three hundred eighty-seven thousand, three hundred two.

Scientific notation

• Scientific notation: 4.0405387302 × 10¹⁰

Factors of 40405387302

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 492

Divisors of 40405387302

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 42 54 63 71 81 126 142 162 189 213 243 378 409 426 486 497 567 639 818 994 1134 1227 1278 1491 1701 1917 2454 2863 2982 3402 3681 3834 4473 5726 5751 7362 8589 8946 11043 11502 13419 17178 17253 22086 25767 26838 29039 33129 34506 40257 51534 58078 66258 77301 80514 87117 99387 120771 154602 167281 174234 198774 203273 231903 241542 261351 334562 406546 463806 501843 522702 609819 695709 784053 1003686 1170967 1219638 1391418 1505529 1568106 1829457 2341934 2352159 3011058 3512901 3658914 4516587 4704318 5488371 7025802 7056477 9033174 10538703 10976742 11876951 13549761 14112954 16465113 21077406 23753902 27099522 31616109 32930226 35630853 40649283 49395339 63232218 71261706 81298566 83138657 94848327 98790678 106892559 166277314 189696654 213785118 249415971 284544981 320677677 498831942 569089962 641355354 748247913 962033031 1496495826 1924066062 2244743739 2886099093 4489487478 5772198186 6734231217 13468462434 20202693651 40405387302
• Sum of all divisors σ(n): 105476297472
• Sum of proper divisors (its aliquot sum) s(n): 65070910170
• 40405387302 is an abundant number, because the sum of its proper divisors (65070910170) is greater than itself. Its abundance is 24665522868

Bases of 40405387302

• Binary: 100101101000010110010100100000100110₂
• Hexadecimal: 0x968594826
• Base-36: IK8BODI

Squares and roots of 40405387302

• 40405387302 squared (40405387302²) is 1632595323024622839204
• 40405387302 cubed (40405387302³) is 65965646334243683900512489387608
• The square root of 40405387302 is 201010.9133902931
• The cube root of 40405387302 is 3431.4664572933

Scales and comparisons

• 40,405,387,302 seconds is equal to 1,284 years, 39 weeks, 5 days, 22 hours, 41 minutes, 42 seconds.
• To count from 1 to 40,405,387,302 would take you about two thousand, five hundred sixty-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 40405387302 cubic inches would be around 286 feet tall.

Recreational maths with 40405387302

• 40405387302 backwards is 20378350404
• The number of decimal digits it has is: 11
• The sum of 40405387302's digits is 36
• More coming soon!