139003128

Names of 139003128

• Cardinal: 139003128 can be written as One hundred thirty-nine million, three thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.39003128 × 10⁸

Factors of 139003128

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 19517

Divisors of 139003128

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 18 22 24 27 33 36 44 54 66 72 81 88 99 108 132 162 198 216 264 297 324 396 594 648 792 891 1188 1782 2376 3564 7128 19501 39002 58503 78004 117006 156008 175509 214511 234012 351018 429022 468024 526527 643533 702036 858044 1053054 1287066 1404072 1579581 1716088 1930599 2106108 2574132 3159162 3861198 4212216 5148264 5791797 6318324 7722396 11583594 12636648 15444792 17375391 23167188 34750782 46334376 69501564 139003128
• Sum of all divisors σ(n): 424753560
• Sum of proper divisors (its aliquot sum) s(n): 285750432
• 139003128 is an abundant number, because the sum of its proper divisors (285750432) is greater than itself. Its abundance is 146747304

Bases of 139003128

• Binary: 1000010010010000010011111000₂
• Hexadecimal: 0x84904F8
• Base-36: 2ARBI0

Squares and roots of 139003128

• 139003128 squared (139003128²) is 19321869593784384
• 139003128 cubed (139003128³) is 2685800312344118733553152
• The square root of 139003128 is 11789.9587785539
• The cube root of 139003128 is 518.0140324061

Scales and comparisons

• 139,003,128 seconds is equal to 4 years, 21 weeks, 5 days, 19 hours, 58 minutes, 48 seconds.
• To count from 1 to 139,003,128 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 139003128 cubic inches would be around 43.2 feet tall.

Recreational maths with 139003128

• 139003128 backwards is 821300931
• 139003128 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 139003128's digits is 27
• More coming soon!