139030920

Names of 139030920

• Cardinal: 139030920 can be written as One hundred thirty-nine million, thirty thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.3903092 × 10⁸

Factors of 139030920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 55188

Divisors of 139030920

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 28 30 35 36 40 42 45 56 60 63 70 72 84 90 105 120 126 140 168 180 210 252 280 315 360 420 504 630 840 1260 2520 55171 110342 165513 220684 275855 331026 386197 441368 496539 551710 662052 772394 827565 993078 1103420 1158591 1324104 1544788 1655130 1930985 1986156 2206840 2317182 2482695 3089576 3310260 3475773 3861970 3972312 4634364 4965390 5792955 6620520 6951546 7723940 9268728 9930780 11585910 13903092 15447880 17378865 19861560 23171820 27806184 34757730 46343640 69515460 139030920
• Sum of all divisors σ(n): 516409920
• Sum of proper divisors (its aliquot sum) s(n): 377379000
• 139030920 is an abundant number, because the sum of its proper divisors (377379000) is greater than itself. Its abundance is 238348080

Bases of 139030920

• Binary: 1000010010010111000110001000₂
• Hexadecimal: 0x8497188
• Base-36: 2ARWY0

Squares and roots of 139030920

• 139030920 squared (139030920²) is 19329596716046400
• 139030920 cubed (139030920³) is 2687411614660909754688000
• The square root of 139030920 is 11791.1373497217
• The cube root of 139030920 is 518.0485536595

Scales and comparisons

• 139,030,920 seconds is equal to 4 years, 21 weeks, 6 days, 3 hours, 42 minutes.
• To count from 1 to 139,030,920 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 139030920 cubic inches would be around 43.2 feet tall.

Recreational maths with 139030920

• 139030920 backwards is 029030931
• The number of decimal digits it has is: 9
• The sum of 139030920's digits is 27
• More coming soon!