138948047392

Names of 138948047392

• Cardinal: 138948047392 can be written as One hundred thirty-eight billion, nine hundred forty-eight million, forty-seven thousand, three hundred ninety-two.

Scientific notation

• Scientific notation: 1.38948047392 × 10¹¹

Factors of 138948047392

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 4855

Divisors of 138948047392

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 28 32 44 56 71 77 88 112 142 154 173 176 224 284 308 346 352 497 568 616 692 781 994 1136 1211 1232 1384 1562 1903 1988 2272 2422 2464 2768 3124 3806 3976 4591 4844 5467 5536 6248 7612 7952 9182 9688 10934 12283 12496 13321 15224 15904 18364 19376 21868 24566 24992 26642 30448 32137 36728 38752 43736 49132 50501 53284 60896 64274 73456 85981 87472 98264 101002 106568 128548 135113 146912 171962 174944 196528 202004 213136 257096 270226 325961 343924 353507 393056 404008 426272 514192 540452 651922 687848 707014 794243 808016 945791 1028384 1080904 1303844 1375696 1414028 1588486 1616032 1891582 2161808 2281727 2607688 2751392 2828056 3176972 3585571 3783164 4323616 4563454 5215376 5559701 5656112 6353944 7171142 7566328 8736673 9126908 10430752 11119402 11312224 12707888 14342284 15132656 17473346 18253816 22238804 25098997 25415776 28684568 30265312 34946692 36507632 44477608 50197994 56391253 57369136 61156711 69893384 73015264 88955216 100395988 112782506 114738272 122313422 139786768 177910432 200791976 225565012 244626844 279573536 394738771 401583952 451130024 489253688 620303783 789477542 803167904 902260048 978507376 1240607566 1578955084 1804520096 1957014752 2481215132 3157910168 4342126481 4962430264 6315820336 8684252962 9924860528 12631640672 17368505924 19849721056 34737011848 69474023696 138948047392
• Sum of all divisors σ(n): 347932827648
• Sum of proper divisors (its aliquot sum) s(n): 208984780256
• 138948047392 is an abundant number, because the sum of its proper divisors (208984780256) is greater than itself. Its abundance is 70036732864

Bases of 138948047392

• Binary: 10000001011001111100101111001000100000₂
• Hexadecimal: 0x2059F2F220
• Base-36: 1RTY2VJ4

Squares and roots of 138948047392

• 138948047392 squared (138948047392²) is 19306559874049478001664
• 138948047392 cubed (138948047392³) is 2682608796355912420328070926860288
• The square root of 138948047392 is 372757.3572607253
• The cube root of 138948047392 is 5179.4560157817

Scales and comparisons

• 138,948,047,392 seconds is equal to 4,418 years, 6 weeks, 23 hours, 49 minutes, 52 seconds.
• To count from 1 to 138,948,047,392 would take you about eight thousand, eight hundred thirty-six 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 138948047392 cubic inches would be around 431.6 feet tall.

Recreational maths with 138948047392

• 138948047392 backwards is 293740849831
• The number of decimal digits it has is: 12
• The sum of 138948047392's digits is 58
• More coming soon!