55709440

Names of 55709440

• Cardinal: 55709440 can be written as Fifty-five million, seven hundred nine thousand, four hundred forty.

Scientific notation

• Scientific notation: 5.570944 × 10⁷

Factors of 55709440

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 691

Divisors of 55709440

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 71 80 128 142 160 256 284 320 355 568 613 640 710 1136 1226 1280 1420 2272 2452 2840 3065 4544 4904 5680 6130 9088 9808 11360 12260 18176 19616 22720 24520 39232 43523 45440 49040 78464 87046 90880 98080 156928 174092 196160 217615 348184 392320 435230 696368 784640 870460 1392736 1740920 2785472 3481840 5570944 6963680 11141888 13927360 27854720 55709440
• Sum of all divisors σ(n): 135541728
• Sum of proper divisors (its aliquot sum) s(n): 79832288
• 55709440 is an abundant number, because the sum of its proper divisors (79832288) is greater than itself. Its abundance is 24122848

Bases of 55709440

• Binary: 11010100100000111100000000₂
• Hexadecimal: 0x3520F00
• Base-36: X61OG

Squares and roots of 55709440

• 55709440 squared (55709440²) is 3103541705113600
• 55709440 cubed (55709440³) is 172896570408523792384000
• The square root of 55709440 is 7463.8756688465
• The cube root of 55709440 is 381.9233968269

Scales and comparisons

• 55,709,440 seconds is equal to 1 year, 40 weeks, 18 hours, 50 minutes, 40 seconds.
• To count from 1 to 55,709,440 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 55709440 cubic inches would be around 31.8 feet tall.

Recreational maths with 55709440

• 55709440 backwards is 04490755
• The number of decimal digits it has is: 8
• The sum of 55709440's digits is 34
• More coming soon!