139751507390

Names of 139751507390

• Cardinal: 139751507390 can be written as One hundred thirty-nine billion, seven hundred fifty-one million, five hundred seven thousand, three hundred ninety.

Scientific notation

• Scientific notation: 1.3975150739 × 10¹¹

Factors of 139751507390

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 141113

Divisors of 139751507390

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 10 11 22 55 71 110 127 142 254 355 635 710 781 1270 1397 1562 2794 3905 6985 7810 9017 13970 18034 45085 90170 99187 140897 198374 281794 495935 704485 991870 1408970 1549867 3099734 7749335 10003687 15498670 17893919 20007374 35787838 50018435 89469595 100036870 110040557 178939190 196833109 220081114 393666218 550202785 984165545 1100405570 1270468249 1968331090 2540936498 6352341245 12704682490 13975150739 27950301478 69875753695 139751507390
• Sum of all divisors σ(n): 280479449088
• Sum of proper divisors (its aliquot sum) s(n): 140727941698
• 139751507390 is an abundant number, because the sum of its proper divisors (140727941698) is greater than itself. Its abundance is 976434308

Bases of 139751507390

• Binary: 10000010001001110101101100010110111110₂
• Hexadecimal: 0x2089D6C5BE
• Base-36: 1S78FT8E

Squares and roots of 139751507390

• 139751507390 squared (139751507390²) is 19530483817777224612100
• 139751507390 cubed (139751507390³) is 2729414553590369218751583033419000
• The square root of 139751507390 is 373833.5289804809
• The cube root of 139751507390 is 5189.4201481175

Scales and comparisons

• 139,751,507,390 seconds is equal to 4,443 years, 34 weeks, 4 days, 7 hours, 9 minutes, 50 seconds.
• To count from 1 to 139,751,507,390 would take you about eight thousand, eight hundred eighty-seven 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 139751507390 cubic inches would be around 432.5 feet tall.

Recreational maths with 139751507390

• 139751507390 backwards is 093705157931
• The number of decimal digits it has is: 12
• The sum of 139751507390's digits is 50
• More coming soon!