13581411264

Names of 13581411264

• Cardinal: 13581411264 can be written as Thirteen billion, five hundred eighty-one million, four hundred eleven thousand, two hundred sixty-four.

Scientific notation

• Scientific notation: 1.3581411264 × 10¹⁰

Factors of 13581411264

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2619876

Divisors of 13581411264

• Number of divisors d(n): 70
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 144 162 192 216 288 324 432 576 648 864 1296 1728 2592 5184 2619871 5239742 7859613 10479484 15719226 20958968 23578839 31438452 41917936 47157678 62876904 70736517 83835872 94315356 125753808 141473034 167671744 188630712 212209551 251507616 282946068 377261424 424419102 503015232 565892136 754522848 848838204 1131784272 1509045696 1697676408 2263568544 3395352816 4527137088 6790705632 13581411264
• Sum of all divisors σ(n): 40259573024
• Sum of proper divisors (its aliquot sum) s(n): 26678161760
• 13581411264 is an abundant number, because the sum of its proper divisors (26678161760) is greater than itself. Its abundance is 13096750496

Bases of 13581411264

• Binary: 1100101001100000111110001111000000₂
• Hexadecimal: 0x32983E3C0
• Base-36: 68M0S00

Squares and roots of 13581411264

• 13581411264 squared (13581411264²) is 184454731921906077696
• 13581411264 cubed (13581411264³) is 2505155573822275571970513567744
• The square root of 13581411264 is 116539.3120968199
• The cube root of 13581411264 is 2385.8783711371

Scales and comparisons

• 13,581,411,264 seconds is equal to 431 years, 44 weeks, 6 hours, 14 minutes, 24 seconds.
• To count from 1 to 13,581,411,264 would take you about eight hundred sixty-three 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 13581411264 cubic inches would be around 198.8 feet tall.

Recreational maths with 13581411264

• 13581411264 backwards is 46211418531
• 13581411264 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13581411264's digits is 36
• More coming soon!