12990139320

Names of 12990139320

• Cardinal: 12990139320 can be written as Twelve billion, nine hundred ninety million, one hundred thirty-nine thousand, three hundred twenty.

Scientific notation

• Scientific notation: 1.299013932 × 10¹⁰

Factors of 12990139320

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 312320

Divisors of 12990139320

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 347 694 1041 1388 1735 2082 2776 3470 4164 5205 6940 8328 10410 13880 20820 41640 311963 623926 935889 1247852 1559815 1871778 2495704 3119630 3743556 4679445 6239260 7487112 9358890 12478520 18717780 37435560 108251161 216502322 324753483 433004644 541255805 649506966 866009288 1082511610 1299013932 1623767415 2165023220 2598027864 3247534830 4330046440 6495069660 12990139320
• Sum of all divisors σ(n): 39082849920
• Sum of proper divisors (its aliquot sum) s(n): 26092710600
• 12990139320 is an abundant number, because the sum of its proper divisors (26092710600) is greater than itself. Its abundance is 13102571280

Bases of 12990139320

• Binary: 1100000110010001011100101110111000₂
• Hexadecimal: 0x30645CBB8
• Base-36: 5YTZRNC

Squares and roots of 12990139320

• 12990139320 squared (12990139320²) is 168743719553010062400
• 12990139320 cubed (12990139320³) is 2192004426368608835937893568000
• The square root of 12990139320 is 113974.2923645503
• The cube root of 12990139320 is 2350.7400307043

Scales and comparisons

• 12,990,139,320 seconds is equal to 413 years, 2 weeks, 2 days, 20 hours, 2 minutes.
• To count from 1 to 12,990,139,320 would take you about eight hundred twenty-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 12990139320 cubic inches would be around 195.9 feet tall.

Recreational maths with 12990139320

• 12990139320 backwards is 02393109921
• The number of decimal digits it has is: 11
• The sum of 12990139320's digits is 39
• More coming soon!