13247286920

Names of 13247286920

• Cardinal: 13247286920 can be written as Thirteen billion, two hundred forty-seven million, two hundred eighty-six thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.324728692 × 10¹⁰

Factors of 13247286920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1100330

Divisors of 13247286920

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 28 35 40 43 56 70 86 140 172 215 280 301 344 430 602 860 1204 1505 1720 2408 3010 6020 12040 1100273 2200546 4401092 5501365 7701911 8802184 11002730 15403822 22005460 30807644 38509555 44010920 47311739 61615288 77019110 94623478 154038220 189246956 236558695 308076440 331182173 378493912 473117390 662364346 946234780 1324728692 1655910865 1892469560 2649457384 3311821730 6623643460 13247286920
• Sum of all divisors σ(n): 34856680320
• Sum of proper divisors (its aliquot sum) s(n): 21609393400
• 13247286920 is an abundant number, because the sum of its proper divisors (21609393400) is greater than itself. Its abundance is 8362106480

Bases of 13247286920

• Binary: 1100010101100110011000111010001000₂
• Hexadecimal: 0x315998E88
• Base-36: 6333C08

Squares and roots of 13247286920

• 13247286920 squared (13247286920²) is 175490610740803086400
• 13247286920 cubed (13247286920³) is 2324774472249452236762349888000
• The square root of 13247286920 is 115096.8588624381
• The cube root of 13247286920 is 2366.1502252973

Scales and comparisons

• 13,247,286,920 seconds is equal to 421 years, 11 weeks, 4 days, 1 hour, 55 minutes, 20 seconds.
• To count from 1 to 13,247,286,920 would take you about eight hundred forty-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 13247286920 cubic inches would be around 197.2 feet tall.

Recreational maths with 13247286920

• 13247286920 backwards is 02968274231
• The number of decimal digits it has is: 11
• The sum of 13247286920's digits is 44
• More coming soon!