45398478438

Names of 45398478438

• Cardinal: 45398478438 can be written as Forty-five billion, three hundred ninety-eight million, four hundred seventy-eight thousand, four hundred thirty-eight.

Scientific notation

• Scientific notation: 4.5398478438 × 10¹⁰

Factors of 45398478438

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5556

Divisors of 45398478438

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 9 18 19 38 57 114 171 342 361 722 1083 1951 2166 3249 3581 3902 5853 6498 7162 10743 11706 17559 21486 32229 35118 37069 64458 68039 74138 111207 136078 204117 222414 333621 408234 612351 667242 704311 1224702 1292741 1408622 2112933 2585482 3878223 4225866 6338799 6986531 7756446 11634669 12677598 13973062 20959593 23269338 41919186 62878779 125757558 132744089 265488178 398232267 796464534 1194696801 2389393602 2522137691 5044275382 7566413073 15132826146 22699239219 45398478438
• Sum of all divisors σ(n): 103895078976
• Sum of proper divisors (its aliquot sum) s(n): 58496600538
• 45398478438 is an abundant number, because the sum of its proper divisors (58496600538) is greater than itself. Its abundance is 13098122100

Bases of 45398478438

• Binary: 101010010001111101011100111001100110₂
• Hexadecimal: 0xA91F5CE66
• Base-36: KUT2Y5I

Squares and roots of 45398478438

• 45398478438 squared (45398478438²) is 2061021844485550919844
• 45398478438 cubed (45398478438³) is 93567255767124272637088900323672
• The square root of 45398478438 is 213069.1869745599
• The cube root of 45398478438 is 3567.3613206491

Scales and comparisons

• 45,398,478,438 seconds is equal to 1,443 years, 27 weeks, 4 days, 8 hours, 27 minutes, 18 seconds.
• To count from 1 to 45,398,478,438 would take you about two thousand, eight hundred eighty-seven 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 45398478438 cubic inches would be around 297.3 feet tall.

Recreational maths with 45398478438

• 45398478438 backwards is 83487489354
• The number of decimal digits it has is: 11
• The sum of 45398478438's digits is 63
• More coming soon!