139713090

Names of 139713090

• Cardinal: 139713090 can be written as One hundred thirty-nine million, seven hundred thirteen thousand and ninety.

Scientific notation

• Scientific notation: 1.3971309 × 10⁸

Factors of 139713090

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 248

Divisors of 139713090

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 10 11 15 22 30 33 55 66 67 71 89 110 134 142 165 178 201 213 267 330 335 355 402 426 445 534 670 710 737 781 890 979 1005 1065 1335 1474 1562 1958 2010 2130 2211 2343 2670 2937 3685 3905 4422 4686 4757 4895 5874 5963 6319 7370 7810 9514 9790 11055 11715 11926 12638 14271 14685 17889 18957 22110 23430 23785 28542 29370 29815 31595 35778 37914 47570 52327 59630 63190 65593 69509 71355 89445 94785 104654 131186 139018 142710 156981 178890 189570 196779 208527 261635 313962 327965 347545 393558 417054 423373 523270 655930 695090 784905 846746 983895 1042635 1270119 1569810 1967790 2085270 2116865 2540238 4233730 4657103 6350595 9314206 12701190 13971309 23285515 27942618 46571030 69856545 139713090
• Sum of all divisors σ(n): 380712960
• Sum of proper divisors (its aliquot sum) s(n): 240999870
• 139713090 is an abundant number, because the sum of its proper divisors (240999870) is greater than itself. Its abundance is 101286780

Bases of 139713090

• Binary: 1000010100111101101001000010₂
• Hexadecimal: 0x853DA42
• Base-36: 2B6JB6

Squares and roots of 139713090

• 139713090 squared (139713090²) is 19519747517348100
• 139713090 cubed (139713090³) is 2727164241668531656629000
• The square root of 139713090 is 11820.0291877813
• The cube root of 139713090 is 518.8944584377

Scales and comparisons

• 139,713,090 seconds is equal to 4 years, 23 weeks, 1 hour, 11 minutes, 30 seconds.
• To count from 1 to 139,713,090 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 139713090 cubic inches would be around 43.2 feet tall.

Recreational maths with 139713090

• 139713090 backwards is 090317931
• 139713090 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 139713090's digits is 33
• More coming soon!