12939027690

Names of 12939027690

• Cardinal: 12939027690 can be written as Twelve billion, nine hundred thirty-nine million, twenty-seven thousand, six hundred ninety.

Scientific notation

• Scientific notation: 1.293902769 × 10¹⁰

Factors of 12939027690

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 45667

Divisors of 12939027690

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 10 15 30 31 62 93 155 186 307 310 465 614 921 930 1535 1842 3070 4605 9210 9517 19034 28551 45319 47585 57102 90638 95170 135957 142755 226595 271914 285510 453190 679785 1359570 1404889 2809778 4214667 7024445 8429334 13912933 14048890 21073335 27825866 41738799 42146670 69564665 83477598 139129330 208693995 417387990 431300923 862601846 1293902769 2156504615 2587805538 4313009230 6469513845 12939027690
• Sum of all divisors σ(n): 32160522240
• Sum of proper divisors (its aliquot sum) s(n): 19221494550
• 12939027690 is an abundant number, because the sum of its proper divisors (19221494550) is greater than itself. Its abundance is 6282466860

Bases of 12939027690

• Binary: 1100000011001110011110010011101010₂
• Hexadecimal: 0x30339E4EA
• Base-36: 5XZK9NU

Squares and roots of 12939027690

• 12939027690 squared (12939027690²) is 167418437562586736100
• 12939027690 cubed (12939027690³) is 2166231799438845886424622609000
• The square root of 12939027690 is 113749.8469889081
• The cube root of 12939027690 is 2347.6528664089

Scales and comparisons

• 12,939,027,690 seconds is equal to 411 years, 21 weeks, 6 days, 6 hours, 21 minutes, 30 seconds.
• To count from 1 to 12,939,027,690 would take you about eight hundred twenty-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 12939027690 cubic inches would be around 195.6 feet tall.

Recreational maths with 12939027690

• 12939027690 backwards is 09672093921
• The number of decimal digits it has is: 11
• The sum of 12939027690's digits is 48
• More coming soon!