42791538688

Names of 42791538688

• Cardinal: 42791538688 can be written as Forty-two billion, seven hundred ninety-one million, five hundred thirty-eight thousand, six hundred eighty-eight.

Scientific notation

• Scientific notation: 4.2791538688 × 10¹⁰

Factors of 42791538688

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 889

Divisors of 42791538688

• Number of divisors d(n): 104
• Complete list of divisors:
  1 2 4 8 16 32 64 71 128 142 256 269 284 512 538 547 568 1024 1076 1094 1136 2048 2152 2188 2272 4096 4304 4376 4544 8608 8752 9088 17216 17504 18176 19099 34432 35008 36352 38198 38837 68864 70016 72704 76396 77674 137728 140032 145408 147143 152792 155348 275456 280064 290816 294286 305584 310696 550912 560128 588572 611168 621392 1101824 1120256 1177144 1222336 1242784 2240512 2354288 2444672 2485568 4708576 4889344 4971136 9417152 9778688 9942272 10447153 18834304 19557376 19884544 20894306 37668608 39114752 39769088 41788612 75337216 78229504 79538176 83577224 150674432 159076352 167154448 301348864 334308896 602697728 668617792 1337235584 2674471168 5348942336 10697884672 21395769344 42791538688
• Sum of all divisors σ(n): 87259705920
• Sum of proper divisors (its aliquot sum) s(n): 44468167232
• 42791538688 is an abundant number, because the sum of its proper divisors (44468167232) is greater than itself. Its abundance is 1676628544

Bases of 42791538688

• Binary: 100111110110100100110001000000000000₂
• Hexadecimal: 0x9F6931000
• Base-36: JNOZ6KG

Squares and roots of 42791538688

• 42791538688 squared (42791538688²) is 1831115783286600761344
• 42791538688 cubed (42791538688³) is 78356261882716000271062030876672
• The square root of 42791538688 is 206861.1579973389
• The cube root of 42791538688 is 3497.7274686681

Scales and comparisons

• 42,791,538,688 seconds is equal to 1,360 years, 33 weeks, 1 day, 10 hours, 31 minutes, 28 seconds.
• To count from 1 to 42,791,538,688 would take you about two thousand, seven hundred twenty-one 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 42791538688 cubic inches would be around 291.5 feet tall.

Recreational maths with 42791538688

• 42791538688 backwards is 88683519724
• The number of decimal digits it has is: 11
• The sum of 42791538688's digits is 61
• More coming soon!