6440489264

Names of 6440489264

• Cardinal: 6440489264 can be written as Six billion, four hundred forty million, four hundred eighty-nine thousand, two hundred sixty-four.

Scientific notation

• Scientific notation: 6.440489264 × 10⁹

Factors of 6440489264

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2033

Divisors of 6440489264

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 4 8 11 16 22 41 44 82 88 121 164 176 242 328 451 484 656 902 968 1681 1804 1936 1979 3362 3608 3958 4961 6724 7216 7916 9922 13448 15832 18491 19844 21769 26896 31664 36982 39688 43538 73964 79376 81139 87076 147928 162278 174152 203401 239459 295856 324556 348304 406802 478918 649112 813604 892529 957836 1298224 1627208 1785058 1915672 3254416 3326699 3570116 3831344 6653398 7140232 9817819 13306796 14280464 19635638 26613592 36593689 39271276 53227184 73187378 78542552 146374756 157085104 292749512 402530579 585499024 805061158 1610122316 3220244632 6440489264
• Sum of all divisors σ(n): 14065779420
• Sum of proper divisors (its aliquot sum) s(n): 7625290156
• 6440489264 is an abundant number, because the sum of its proper divisors (7625290156) is greater than itself. Its abundance is 1184800892

Bases of 6440489264

• Binary: 101111111111000100001000100110000₂
• Hexadecimal: 0x17FE21130
• Base-36: 2YII1BK

Squares and roots of 6440489264

• 6440489264 squared (6440489264²) is 41479901959699261696
• 6440489264 cubed (6440489264³) is 267150863243215655621814431744
• The square root of 6440489264 is 80252.6589216829
• The cube root of 6440489264 is 1860.5426081009

Scales and comparisons

• 6,440,489,264 seconds is equal to 204 years, 40 weeks, 6 days, 16 hours, 47 minutes, 44 seconds.
• To count from 1 to 6,440,489,264 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 6440489264 cubic inches would be around 155 feet tall.

Recreational maths with 6440489264

• 6440489264 backwards is 4629840446
• The number of decimal digits it has is: 10
• The sum of 6440489264's digits is 47
• More coming soon!