13681958676640

Names of 13681958676640

• Cardinal: 13681958676640 can be written as Thirteen trillion, six hundred eighty-one billion, nine hundred fifty-eight million, six hundred seventy-six thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.368195867664 × 10¹³

Factors of 13681958676640

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1368261

Divisors of 13681958676640

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 80 160 65647 131294 262588 328235 525176 656470 1050352 1302607 1312940 2100704 2605214 2625880 5210428 5251760 6513035 10420856 10503520 13026070 20841712 26052140 41683424 52104280 104208560 208417120 85512241729 171024483458 342048966916 427561208645 684097933832 855122417290 1368195867664 1710244834580 2736391735328 3420489669160 6840979338320 13681958676640
• Sum of all divisors σ(n): 32324144573952
• Sum of proper divisors (its aliquot sum) s(n): 18642185897312
• 13681958676640 is an abundant number, because the sum of its proper divisors (18642185897312) is greater than itself. Its abundance is 4960227220672

Bases of 13681958676640

• Binary: 11000111000110010100010010010110100010100000₂
• Hexadecimal: 0xC71944968A0
• Base-36: 4ULEKXS4G

Squares and roots of 13681958676640

• 13681958676640 squared (13681958676640²) is 187195993229284580081689600
• 13681958676640 cubed (13681958676640³) is 2561207843795652853388431942711250944000
• The square root of 13681958676640 is 3698913.1750610205
• The cube root of 13681958676640 is 23917.5170080109

Scales and comparisons

• 13,681,958,676,640 seconds is equal to 435,043 years, 50 weeks, 1 day, 4 hours, 50 minutes, 40 seconds.
• To count from 1 to 13,681,958,676,640 would take you about one million, eighty-seven thousand, six hundred 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 13681958676640 cubic inches would be around 1993.1 feet tall.

Recreational maths with 13681958676640

• 13681958676640 backwards is 04667685918631
• The number of decimal digits it has is: 14
• The sum of 13681958676640's digits is 70
• More coming soon!