139047429920

Names of 139047429920

• Cardinal: 139047429920 can be written as One hundred thirty-nine billion, forty-seven million, four hundred twenty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.3904742992 × 10¹¹

Factors of 139047429920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1495874

Divisors of 139047429920

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 83 112 140 160 166 224 280 332 415 560 581 664 830 1120 1162 1328 1660 2324 2656 2905 3320 4648 5810 6640 9296 11620 13280 18592 23240 46480 92960 1495777 2991554 5983108 7478885 10470439 11966216 14957770 20940878 23932432 29915540 41881756 47864864 52352195 59831080 83763512 104704390 119662160 124149491 167527024 209408780 239324320 248298982 335054048 418817560 496597964 620747455 837635120 869046437 993195928 1241494910 1675270240 1738092874 1986391856 2482989820 3476185748 3972783712 4345232185 4965979640 6952371496 8690464370 9931959280 13904742992 17380928740 19863918560 27809485984 34761857480 69523714960 139047429920
• Sum of all divisors σ(n): 379951544448
• Sum of proper divisors (its aliquot sum) s(n): 240904114528
• 139047429920 is an abundant number, because the sum of its proper divisors (240904114528) is greater than itself. Its abundance is 101856684608

Bases of 139047429920

• Binary: 10000001011111110111110110011100100000₂
• Hexadecimal: 0x205FDF6720
• Base-36: 1RVL8ZKW

Squares and roots of 139047429920

• 139047429920 squared (139047429920²) is 19334187767357311206400
• 139047429920 cubed (139047429920³) is 2688369118641736993571534655488000
• The square root of 139047429920 is 372890.6406977789
• The cube root of 139047429920 is 5180.6905893427

Scales and comparisons

• 139,047,429,920 seconds is equal to 4,421 years, 14 weeks, 3 days, 6 hours, 5 minutes, 20 seconds.
• To count from 1 to 139,047,429,920 would take you about eight thousand, eight hundred forty-two 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 139047429920 cubic inches would be around 431.7 feet tall.

Recreational maths with 139047429920

• 139047429920 backwards is 029924740931
• The number of decimal digits it has is: 12
• The sum of 139047429920's digits is 50
• More coming soon!