139639808

Names of 139639808

• Cardinal: 139639808 can be written as One hundred thirty-nine million, six hundred thirty-nine thousand, eight hundred eight.

Scientific notation

• Scientific notation: 1.39639808 × 10⁸

Factors of 139639808

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 43

Divisors of 139639808

• Number of divisors d(n): 198
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 23 28 32 44 46 49 56 64 77 88 92 98 112 121 128 154 161 176 184 196 224 242 253 256 308 322 352 368 392 448 484 506 512 539 616 644 704 736 784 847 896 968 1012 1024 1078 1127 1232 1288 1408 1472 1568 1694 1771 1792 1936 2024 2156 2254 2464 2576 2783 2816 2944 3136 3388 3542 3584 3872 4048 4312 4508 4928 5152 5566 5632 5888 5929 6272 6776 7084 7168 7744 8096 8624 9016 9856 10304 11132 11264 11776 11858 12397 12544 13552 14168 15488 16192 17248 18032 19481 19712 20608 22264 23552 23716 24794 25088 27104 28336 30976 32384 34496 36064 38962 39424 41216 44528 47432 49588 50176 54208 56672 61952 64768 68992 72128 77924 78848 82432 89056 94864 99176 108416 113344 123904 129536 136367 137984 144256 155848 164864 178112 189728 198352 216832 226688 259072 272734 275968 288512 311696 356224 379456 396704 433664 453376 545468 551936 577024 623392 712448 758912 793408 867328 906752 1090936 1154048 1246784 1424896 1517824 1586816 1813504 2181872 2493568 2849792 3035648 3173632 4363744 4987136 6071296 6347264 8727488 9974272 12694528 17454976 19948544 34909952 69819904 139639808
• Sum of all divisors σ(n): 372439368
• Sum of proper divisors (its aliquot sum) s(n): 232799560
• 139639808 is an abundant number, because the sum of its proper divisors (232799560) is greater than itself. Its abundance is 93159752

Bases of 139639808

• Binary: 1000010100101011110000000000₂
• Hexadecimal: 0x852BC00
• Base-36: 2B4YRK

Squares and roots of 139639808

• 139639808 squared (139639808²) is 19499275978276864
• 139639808 cubed (139639808³) is 2722875153745593459802112
• The square root of 139639808 is 11816.9288734425
• The cube root of 139639808 is 518.8037194477

Scales and comparisons

• 139,639,808 seconds is equal to 4 years, 22 weeks, 6 days, 4 hours, 50 minutes, 8 seconds.
• To count from 1 to 139,639,808 would take you about 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 139639808 cubic inches would be around 43.2 feet tall.

Recreational maths with 139639808

• 139639808 backwards is 808936931
• The number of decimal digits it has is: 9
• The sum of 139639808's digits is 47
• More coming soon!