138748448992

Names of 138748448992

• Cardinal: 138748448992 can be written as One hundred thirty-eight billion, seven hundred forty-eight million, four hundred forty-eight thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 1.38748448992 × 10¹¹

Factors of 138748448992

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1283

Divisors of 138748448992

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 8 16 32 41 53 82 106 164 212 328 424 656 848 1187 1312 1681 1696 2173 2374 3362 4346 4748 6724 8692 9496 13448 17384 18992 26896 34768 37984 48667 53792 62911 68921 69536 89093 97334 125822 137842 178186 194668 251644 275684 356372 389336 503288 551368 712744 778672 1006576 1102736 1425488 1557344 1995347 2013152 2205472 2579351 2850976 3652813 3990694 5158702 7305626 7981388 10317404 14611252 15962776 20634808 29222504 31925552 41269616 58445008 63851104 81809227 82539232 105753391 116890016 163618454 211506782 327236908 423013564 654473816 846027128 1308947632 1692054256 2617895264 3384108512 4335889031 8671778062 17343556124 34687112248 69374224496 138748448992
• Sum of all divisors σ(n): 285513094944
• Sum of proper divisors (its aliquot sum) s(n): 146764645952
• 138748448992 is an abundant number, because the sum of its proper divisors (146764645952) is greater than itself. Its abundance is 8016196960

Bases of 138748448992

• Binary: 10000001001110000011010101000011100000₂
• Hexadecimal: 0x204E0D50E0
• Base-36: 1RQN8SF4

Squares and roots of 138748448992

• 138748448992 squared (138748448992²) is 19251132097685625816064
• 138748448992 cubed (138748448992³) is 2671064719893988014791754278207488
• The square root of 138748448992 is 372489.5287011435
• The cube root of 138748448992 is 5176.9747369379

Scales and comparisons

• 138,748,448,992 seconds is equal to 4,411 years, 40 weeks, 19 hours, 49 minutes, 52 seconds.
• To count from 1 to 138,748,448,992 would take you about eight thousand, eight hundred twenty-three 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 138748448992 cubic inches would be around 431.4 feet tall.

Recreational maths with 138748448992

• 138748448992 backwards is 299844847831
• The number of decimal digits it has is: 12
• The sum of 138748448992's digits is 67
• More coming soon!