12139120

Names of 12139120

• Cardinal: 12139120 can be written as Twelve million, one hundred thirty-nine thousand, one hundred twenty.

Scientific notation

• Scientific notation: 1.213912 × 10⁷

Factors of 12139120

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 476

Divisors of 12139120

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 35 40 53 56 70 80 106 112 140 212 265 280 371 409 424 530 560 742 818 848 1060 1484 1636 1855 2045 2120 2863 2968 3272 3710 4090 4240 5726 5936 6544 7420 8180 11452 14315 14840 16360 21677 22904 28630 29680 32720 43354 45808 57260 86708 108385 114520 151739 173416 216770 229040 303478 346832 433540 606956 758695 867080 1213912 1517390 1734160 2427824 3034780 6069560 12139120
• Sum of all divisors σ(n): 32944320
• Sum of proper divisors (its aliquot sum) s(n): 20805200
• 12139120 is an abundant number, because the sum of its proper divisors (20805200) is greater than itself. Its abundance is 8666080

Bases of 12139120

• Binary: 101110010011101001110000₂
• Hexadecimal: 0xB93A70
• Base-36: 786LS

Squares and roots of 12139120

• 12139120 squared (12139120²) is 147358234374400
• 12139120 cubed (12139120³) is 1788799290058966528000
• The square root of 12139120 is 3484.1239932011
• The cube root of 12139120 is 229.8241882653

Scales and comparisons

• 12,139,120 seconds is equal to 20 weeks, 11 hours, 58 minutes, 40 seconds.
• To count from 1 to 12,139,120 would take you about thirty weeks!

  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 12139120 cubic inches would be around 19.2 feet tall.

Recreational maths with 12139120

• 12139120 backwards is 02193121
• The number of decimal digits it has is: 8
• The sum of 12139120's digits is 19
• More coming soon!