138821632

Names of 138821632

• Cardinal: 138821632 can be written as One hundred thirty-eight million, eight hundred twenty-one thousand, six hundred thirty-two.

Scientific notation

• Scientific notation: 1.38821632 × 10⁸

Factors of 138821632

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 268

Divisors of 138821632

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 4 8 16 32 37 64 74 128 148 229 256 296 458 512 592 916 1024 1184 1832 2048 2368 3664 4096 4736 7328 8192 8473 9472 14656 16384 16946 18944 29312 33892 37888 58624 67784 75776 117248 135568 151552 234496 271136 303104 468992 542272 606208 937984 1084544 1875968 2169088 3751936 4338176 8676352 17352704 34705408 69410816 138821632
• Sum of all divisors σ(n): 286383580
• Sum of proper divisors (its aliquot sum) s(n): 147561948
• 138821632 is an abundant number, because the sum of its proper divisors (147561948) is greater than itself. Its abundance is 8740316

Bases of 138821632

• Binary: 1000010001100100000000000000₂
• Hexadecimal: 0x8464000
• Base-36: 2ANFGG

Squares and roots of 138821632

• 138821632 squared (138821632²) is 19271445511143424
• 138821632 cubed (138821632³) is 2675293516856004305747968
• The square root of 138821632 is 11782.2592061115
• The cube root of 138821632 is 517.7884777121

Scales and comparisons

• 138,821,632 seconds is equal to 4 years, 21 weeks, 3 days, 17 hours, 33 minutes, 52 seconds.
• To count from 1 to 138,821,632 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 138821632 cubic inches would be around 43.1 feet tall.

Recreational maths with 138821632

• 138821632 backwards is 236128831
• The number of decimal digits it has is: 9
• The sum of 138821632's digits is 34
• More coming soon!