13191121488

Names of 13191121488

• Cardinal: 13191121488 can be written as Thirteen billion, one hundred ninety-one million, one hundred twenty-one thousand, four hundred eighty-eight.

Scientific notation

• Scientific notation: 1.3191121488 × 10¹⁰

Factors of 13191121488

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 466634

Divisors of 13191121488

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 12 16 19 24 31 38 48 57 62 76 93 114 124 152 186 228 248 304 372 456 496 589 744 912 1178 1488 1767 2356 3534 4712 7068 9424 14136 28272 466579 933158 1399737 1866316 2799474 3732632 5598948 7465264 8865001 11197896 14463949 17730002 22395792 26595003 28927898 35460004 43391847 53190006 57855796 70920008 86783694 106380012 115711592 141840016 173567388 212760024 231423184 274815031 347134776 425520048 549630062 694269552 824445093 1099260124 1648890186 2198520248 3297780372 4397040496 6595560744 13191121488
• Sum of all divisors σ(n): 37027788800
• Sum of proper divisors (its aliquot sum) s(n): 23836667312
• 13191121488 is an abundant number, because the sum of its proper divisors (23836667312) is greater than itself. Its abundance is 10645545824

Bases of 13191121488

• Binary: 1100010010010000001000101001010000₂
• Hexadecimal: 0x312408A50
• Base-36: 625NIHC

Squares and roots of 13191121488

• 13191121488 squared (13191121488²) is 174005686111175334144
• 13191121488 cubed (13191121488³) is 2295330145095308107162498486272
• The square root of 13191121488 is 114852.6076673925
• The cube root of 13191121488 is 2362.8015117099

Scales and comparisons

• 13,191,121,488 seconds is equal to 419 years, 22 weeks, 5 days, 24 minutes, 48 seconds.
• To count from 1 to 13,191,121,488 would take you about eight hundred thirty-eight 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 13191121488 cubic inches would be around 196.9 feet tall.

Recreational maths with 13191121488

• 13191121488 backwards is 88412119131
• The number of decimal digits it has is: 11
• The sum of 13191121488's digits is 39
• More coming soon!