139007040

Names of 139007040

• Cardinal: 139007040 can be written as One hundred thirty-nine million, seven thousand and forty.

Scientific notation

• Scientific notation: 1.3900704 × 10⁸

Factors of 139007040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 7650

Divisors of 139007040

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 19 20 24 30 32 38 40 48 57 60 64 76 80 95 96 114 120 152 160 190 192 228 240 285 304 320 380 456 480 570 608 760 912 960 1140 1216 1520 1824 2280 3040 3648 4560 6080 7621 9120 15242 18240 22863 30484 38105 45726 60968 76210 91452 114315 121936 144799 152420 182904 228630 243872 289598 304840 365808 434397 457260 487744 579196 609680 723995 731616 868794 914520 1158392 1219360 1447990 1463232 1737588 1829040 2171985 2316784 2438720 2895980 3475176 3658080 4343970 4633568 5791960 6950352 7316160 8687940 9267136 11583920 13900704 17375880 23167840 27801408 34751760 46335680 69503520 139007040
• Sum of all divisors σ(n): 464637120
• Sum of proper divisors (its aliquot sum) s(n): 325630080
• 139007040 is an abundant number, because the sum of its proper divisors (325630080) is greater than itself. Its abundance is 186623040

Bases of 139007040

• Binary: 1000010010010001010001000000₂
• Hexadecimal: 0x8491440
• Base-36: 2AREIO

Squares and roots of 139007040

• 139007040 squared (139007040²) is 19322957169561600
• 139007040 cubed (139007040³) is 2686027080187536113664000
• The square root of 139007040 is 11790.1246812745
• The cube root of 139007040 is 518.0188918937

Scales and comparisons

• 139,007,040 seconds is equal to 4 years, 21 weeks, 5 days, 21 hours, 4 minutes.
• To count from 1 to 139,007,040 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 139007040 cubic inches would be around 43.2 feet tall.

Recreational maths with 139007040

• 139007040 backwards is 040700931
• 139007040 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 139007040's digits is 24
• More coming soon!