57249940

Names of 57249940

• Cardinal: 57249940 can be written as Fifty-seven million, two hundred forty-nine thousand, nine hundred forty.

Scientific notation

• Scientific notation: 5.724994 × 10⁷

Factors of 57249940

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 636

Divisors of 57249940

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 10 11 20 22 41 44 55 82 110 121 164 205 220 242 410 451 484 577 605 820 902 1154 1210 1804 2255 2308 2420 2885 4510 4961 5770 6347 9020 9922 11540 12694 19844 23657 24805 25388 31735 47314 49610 63470 69817 94628 99220 118285 126940 139634 236570 260227 279268 349085 473140 520454 698170 1040908 1301135 1396340 2602270 2862497 5204540 5724994 11449988 14312485 28624970 57249940
• Sum of all divisors σ(n): 135605736
• Sum of proper divisors (its aliquot sum) s(n): 78355796
• 57249940 is an abundant number, because the sum of its proper divisors (78355796) is greater than itself. Its abundance is 21105856

Bases of 57249940

• Binary: 11011010011001000010010100₂
• Hexadecimal: 0x3699094
• Base-36: Y32C4

Squares and roots of 57249940

• 57249940 squared (57249940²) is 3277555630003600
• 57249940 cubed (57249940³) is 187639863164368299784000
• The square root of 57249940 is 7566.3690102981
• The cube root of 57249940 is 385.4118042663

Scales and comparisons

• 57,249,940 seconds is equal to 1 year, 42 weeks, 4 days, 14 hours, 45 minutes, 40 seconds.
• To count from 1 to 57,249,940 would take you about two 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 57249940 cubic inches would be around 32.1 feet tall.

Recreational maths with 57249940

• 57249940 backwards is 04994275
• The number of decimal digits it has is: 8
• The sum of 57249940's digits is 40
• More coming soon!