138528268992

Names of 138528268992

• Cardinal: 138528268992 can be written as One hundred thirty-eight billion, five hundred twenty-eight million, two hundred sixty-eight thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 1.38528268992 × 10¹¹

Factors of 138528268992

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 335217

Divisors of 138528268992

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 288 576 719 1438 2157 2876 4314 5752 6471 8628 11504 12942 17256 23008 25884 34512 46016 51768 69024 103536 138048 207072 334493 414144 668986 1003479 1337972 2006958 2675944 3010437 4013916 5351888 6020874 8027832 10703776 12041748 16055664 21407552 24083496 32111328 48166992 64222656 96333984 192667968 240500467 481000934 721501401 962001868 1443002802 1924003736 2164504203 2886005604 3848007472 4329008406 5772011208 7696014944 8658016812 11544022416 15392029888 17316033624 23088044832 34632067248 46176089664 69264134496 138528268992
• Sum of all divisors σ(n): 397619707680
• Sum of proper divisors (its aliquot sum) s(n): 259091438688
• 138528268992 is an abundant number, because the sum of its proper divisors (259091438688) is greater than itself. Its abundance is 120563169696

Bases of 138528268992

• Binary: 10000001000000111011011010001011000000₂
• Hexadecimal: 0x2040EDA2C0
• Base-36: 1RN05KG0

Squares and roots of 138528268992

• 138528268992 squared (138528268992²) is 19190081309919908696064
• 138528268992 cubed (138528268992³) is 2658368745678936829824433763647488
• The square root of 138528268992 is 372193.8594227475
• The cube root of 138528268992 is 5174.2348389679

Scales and comparisons

• 138,528,268,992 seconds is equal to 4,404 years, 40 weeks, 10 hours, 43 minutes, 12 seconds.
• To count from 1 to 138,528,268,992 would take you about eight thousand, eight hundred 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 138528268992 cubic inches would be around 431.2 feet tall.

Recreational maths with 138528268992

• 138528268992 backwards is 299862825831
• The number of decimal digits it has is: 12
• The sum of 138528268992's digits is 63
• More coming soon!