13145547816

Names of 13145547816

• Cardinal: 13145547816 can be written as Thirteen billion, one hundred forty-five million, five hundred forty-seven thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 1.3145547816 × 10¹⁰

Factors of 13145547816

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 5759

Divisors of 13145547816

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 36 72 181 362 543 724 1086 1448 1629 2172 3258 4344 5573 6516 11146 13032 16719 22292 32761 33438 44584 50157 65522 66876 98283 100314 131044 133752 196566 200628 262088 294849 393132 401256 589698 786264 1008713 1179396 2017426 2358792 3026139 4034852 6052278 8069704 9078417 12104556 18156834 24209112 36313668 72627336 182577053 365154106 547731159 730308212 1095462318 1460616424 1643193477 2190924636 3286386954 4381849272 6572773908 13145547816
• Sum of all divisors σ(n): 35806734990
• Sum of proper divisors (its aliquot sum) s(n): 22661187174
• 13145547816 is an abundant number, because the sum of its proper divisors (22661187174) is greater than itself. Its abundance is 9515639358

Bases of 13145547816

• Binary: 1100001111100010010010010000101000₂
• Hexadecimal: 0x30F892428
• Base-36: 61EIPM0

Squares and roots of 13145547816

• 13145547816 squared (13145547816²) is 172805427382742369856
• 13145547816 cubed (13145547816³) is 2271622008524155556151205034496
• The square root of 13145547816 is 114654.0353236641
• The cube root of 13145547816 is 2360.0773109787

Scales and comparisons

• 13,145,547,816 seconds is equal to 417 years, 51 weeks, 2 days, 13 hours, 3 minutes, 36 seconds.
• To count from 1 to 13,145,547,816 would take you about eight hundred thirty-five 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 13145547816 cubic inches would be around 196.7 feet tall.

Recreational maths with 13145547816

• 13145547816 backwards is 61874554131
• The number of decimal digits it has is: 11
• The sum of 13145547816's digits is 45
• More coming soon!