42139158688

Names of 42139158688

• Cardinal: 42139158688 can be written as Forty-two billion, one hundred thirty-nine million, one hundred fifty-eight thousand, six hundred eighty-eight.

Scientific notation

• Scientific notation: 4.2139158688 × 10¹⁰

Factors of 42139158688

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1323

Divisors of 42139158688

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 79 88 158 176 316 352 632 869 1231 1264 1738 2462 2528 3476 4924 6952 9848 13541 13904 19696 27082 27808 39392 54164 97249 108328 194498 216656 388996 433312 777992 1069739 1515361 1555984 2139478 3030722 3111968 4278956 6061444 8557912 12122888 16668971 17115824 24245776 33337942 34231648 48491552 66675884 119713519 133351768 239427038 266703536 478854076 533407072 957708152 1316848709 1915416304 2633697418 3830832608 5267394836 10534789672 21069579344 42139158688
• Sum of all divisors σ(n): 91723544640
• Sum of proper divisors (its aliquot sum) s(n): 49584385952
• 42139158688 is an abundant number, because the sum of its proper divisors (49584385952) is greater than itself. Its abundance is 7445227264

Bases of 42139158688

• Binary: 100111001111101100001000100010100000₂
• Hexadecimal: 0x9CFB088A0
• Base-36: JCWKEXS

Squares and roots of 42139158688

• 42139158688 squared (42139158688²) is 1775708694932445881344
• 42139158688 cubed (42139158688³) is 74826870479419718433926834716672
• The square root of 42139158688 is 205278.2469917355
• The cube root of 42139158688 is 3479.8614548269

Scales and comparisons

• 42,139,158,688 seconds is equal to 1,339 years, 46 weeks, 3 days, 17 hours, 51 minutes, 28 seconds.
• To count from 1 to 42,139,158,688 would take you about two thousand, six hundred seventy-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 42139158688 cubic inches would be around 290 feet tall.

Recreational maths with 42139158688

• 42139158688 backwards is 88685193124
• The number of decimal digits it has is: 11
• The sum of 42139158688's digits is 55
• More coming soon!