13991653840

Names of 13991653840

• Cardinal: 13991653840 can be written as Thirteen billion, nine hundred ninety-one million, six hundred fifty-three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.399165384 × 10¹⁰

Factors of 13991653840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3934

Divisors of 13991653840

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 8 10 16 20 40 80 107 214 428 491 535 856 982 1070 1712 1964 2140 2455 3329 3928 4280 4910 6658 7856 8560 9820 13316 16645 19640 26632 33290 39280 52537 53264 66580 105074 133160 210148 262685 266320 356203 420296 525370 712406 840592 1050740 1424812 1634539 1781015 2101480 2849624 3269078 3562030 4202960 5699248 6538156 7124060 8172695 13076312 14248120 16345390 26152624 28496240 32690780 65381560 130763120 174895673 349791346 699582692 874478365 1399165384 1748956730 2798330768 3497913460 6995826920 13991653840
• Sum of all divisors σ(n): 32911375680
• Sum of proper divisors (its aliquot sum) s(n): 18919721840
• 13991653840 is an abundant number, because the sum of its proper divisors (18919721840) is greater than itself. Its abundance is 4928068000

Bases of 13991653840

• Binary: 1101000001111101111011000111010000₂
• Hexadecimal: 0x341F7B1D0
• Base-36: 6FE9P74

Squares and roots of 13991653840

• 13991653840 squared (13991653840²) is 195766377178386745600
• 13991653840 cubed (13991653840³) is 2739095382990863274079343104000
• The square root of 13991653840 is 118286.3214408161
• The cube root of 13991653840 is 2409.6632300899

Scales and comparisons

• 13,991,653,840 seconds is equal to 444 years, 46 weeks, 2 days, 10 hours, 30 minutes, 40 seconds.
• To count from 1 to 13,991,653,840 would take you about eight hundred eighty-nine 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 13991653840 cubic inches would be around 200.8 feet tall.

Recreational maths with 13991653840

• 13991653840 backwards is 04835619931
• The number of decimal digits it has is: 11
• The sum of 13991653840's digits is 49
• More coming soon!