13217878456

Names of 13217878456

• Cardinal: 13217878456 can be written as Thirteen billion, two hundred seventeen million, eight hundred seventy-eight thousand, four hundred fifty-six.

Scientific notation

• Scientific notation: 1.3217878456 × 10¹⁰

Factors of 13217878456

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 483

Divisors of 13217878456

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 8 31 62 67 124 134 248 268 383 536 766 961 1532 1922 2077 3064 3844 4154 4489 7688 8308 8978 11873 16616 17956 23746 25661 35912 47492 51322 64387 94984 102644 128774 139159 205288 257548 278318 368063 515096 556636 736126 795491 1113272 1472252 1590982 1719287 2944504 3181964 3438574 4313929 6363928 6877148 8627858 13754296 17255716 24660221 34511432 49320442 53297897 98640884 106595794 197281768 213191588 426383176 1652234807 3304469614 6608939228 13217878456
• Sum of all divisors σ(n): 26064581760
• Sum of proper divisors (its aliquot sum) s(n): 12846703304
• 13217878456 is a deficient number, because the sum of its proper divisors (12846703304) is less than itself. Its deficiency is 371175152

Bases of 13217878456

• Binary: 1100010011110110001101000110111000₂
• Hexadecimal: 0x313D8D1B8
• Base-36: 62LL0AG

Squares and roots of 13217878456

• 13217878456 squared (13217878456²) is 174712310877588943936
• 13217878456 cubed (13217878456³) is 2309326089946857355275446242816
• The square root of 13217878456 is 114969.0325957385
• The cube root of 13217878456 is 2364.3980074123

Scales and comparisons

• 13,217,878,456 seconds is equal to 420 years, 14 weeks, 6 days, 16 hours, 54 minutes, 16 seconds.
• To count from 1 to 13,217,878,456 would take you about eight hundred forty 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 13217878456 cubic inches would be around 197 feet tall.

Recreational maths with 13217878456

• 13217878456 backwards is 65487871231
• The number of decimal digits it has is: 11
• The sum of 13217878456's digits is 52
• More coming soon!