13291266944

Names of 13291266944

• Cardinal: 13291266944 can be written as Thirteen billion, two hundred ninety-one million, two hundred sixty-six thousand, nine hundred forty-four.

Scientific notation

• Scientific notation: 1.3291266944 × 10¹⁰

Factors of 13291266944

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 24043

Divisors of 13291266944

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 8 16 17 32 34 64 68 128 136 257 272 514 544 1028 1088 2056 2176 4112 4369 8224 8738 16448 17476 23767 32896 34952 47534 69904 95068 139808 190136 279616 380272 404039 559232 760544 808078 1521088 1616156 3042176 3232312 6108119 6464624 12216238 12929248 24432476 25858496 48864952 51716992 97729904 103838023 195459808 207676046 390919616 415352092 781839232 830704184 1661408368 3322816736 6645633472 13291266944
• Sum of all divisors σ(n): 28146540960
• Sum of proper divisors (its aliquot sum) s(n): 14855274016
• 13291266944 is an abundant number, because the sum of its proper divisors (14855274016) is greater than itself. Its abundance is 1564007072

Bases of 13291266944

• Binary: 1100011000001110001010001110000000₂
• Hexadecimal: 0x31838A380
• Base-36: 63T9Z7K

Squares and roots of 13291266944

• 13291266944 squared (13291266944²) is 176657776976667099136
• 13291266944 cubed (13291266944³) is 2348005671530499674038687760384
• The square root of 13291266944 is 115287.7571297143
• The cube root of 13291266944 is 2368.7658148229

Scales and comparisons

• 13,291,266,944 seconds is equal to 422 years, 32 weeks, 2 days, 2 hours, 35 minutes, 44 seconds.
• To count from 1 to 13,291,266,944 would take you about eight hundred forty-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 13291266944 cubic inches would be around 197.4 feet tall.

Recreational maths with 13291266944

• 13291266944 backwards is 44966219231
• The number of decimal digits it has is: 11
• The sum of 13291266944's digits is 47
• More coming soon!