138120530944

Names of 138120530944

• Cardinal: 138120530944 can be written as One hundred thirty-eight billion, one hundred twenty million, five hundred thirty thousand, nine hundred forty-four.

Scientific notation

• Scientific notation: 1.38120530944 × 10¹¹

Factors of 138120530944

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 12262134

Divisors of 138120530944

• Number of divisors d(n): 44
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 64 88 128 176 256 352 512 704 1024 1408 2816 5632 11264 12262121 24524242 49048484 98096968 134883331 196193936 269766662 392387872 539533324 784775744 1079066648 1569551488 2158133296 3139102976 4316266592 6278205952 8632533184 12556411904 17265066368 34530132736 69060265472 138120530944
• Sum of all divisors σ(n): 301206764808
• Sum of proper divisors (its aliquot sum) s(n): 163086233864
• 138120530944 is an abundant number, because the sum of its proper divisors (163086233864) is greater than itself. Its abundance is 24965702920

Bases of 138120530944

• Binary: 10000000101000101000000000110000000000₂
• Hexadecimal: 0x2028A00C00
• Base-36: 1RG9EBR4

Squares and roots of 138120530944

• 138120530944 squared (138120530944²) is 19077281068252461531136
• 138120530944 cubed (138120530944³) is 2634964190114949488915439507472384
• The square root of 138120530944 is 371645.7062095565
• The cube root of 138120530944 is 5169.1533112817

Scales and comparisons

• 138,120,530,944 seconds is equal to 4,391 years, 41 weeks, 6 days, 6 hours, 9 minutes, 4 seconds.
• To count from 1 to 138,120,530,944 would take you about eight thousand, seven hundred eighty-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 138120530944 cubic inches would be around 430.8 feet tall.

Recreational maths with 138120530944

• 138120530944 backwards is 449035021831
• The number of decimal digits it has is: 12
• The sum of 138120530944's digits is 40
• More coming soon!