6445291264

Names of 6445291264

• Cardinal: 6445291264 can be written as Six billion, four hundred forty-five million, two hundred ninety-one thousand, two hundred sixty-four.

Scientific notation

• Scientific notation: 6.445291264 × 10⁹

Factors of 6445291264

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 7523

Divisors of 6445291264

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 8 16 19 32 38 64 76 128 152 181 256 304 362 608 724 1216 1448 2432 2896 3439 4864 5792 6878 7321 11584 13756 14642 23168 27512 29284 46336 55024 58568 110048 117136 139099 220096 234272 278198 440192 468544 556396 880384 937088 1112792 1325101 1874176 2225584 2650202 4451168 5300404 8902336 10600808 17804672 21201616 25176919 35609344 42403232 50353838 84806464 100707676 169612928 201415352 339225856 402830704 805661408 1611322816 3222645632 6445291264
• Sum of all divisors σ(n): 13619212880
• Sum of proper divisors (its aliquot sum) s(n): 7173921616
• 6445291264 is an abundant number, because the sum of its proper divisors (7173921616) is greater than itself. Its abundance is 728630352

Bases of 6445291264

• Binary: 110000000001010110101011100000000₂
• Hexadecimal: 0x1802B5700
• Base-36: 2YLCYKG

Squares and roots of 6445291264

• 6445291264 squared (6445291264²) is 41541779477794717696
• 6445291264 cubed (6445291264³) is 267748868359244775951375007744
• The square root of 6445291264 is 80282.5713589197
• The cube root of 6445291264 is 1861.0048973097

Scales and comparisons

• 6,445,291,264 seconds is equal to 204 years, 48 weeks, 6 days, 6 hours, 41 minutes, 4 seconds.
• To count from 1 to 6,445,291,264 would take you about four hundred nine 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 6445291264 cubic inches would be around 155.1 feet tall.

Recreational maths with 6445291264

• 6445291264 backwards is 4621925446
• The number of decimal digits it has is: 10
• The sum of 6445291264's digits is 43
• More coming soon!