45379840

Names of 45379840

• Cardinal: 45379840 can be written as Forty-five million, three hundred seventy-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 4.537984 × 10⁷

Factors of 45379840

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 311

Divisors of 45379840

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 121 128 160 176 220 242 256 293 320 352 440 484 586 605 640 704 880 968 1172 1210 1280 1408 1465 1760 1936 2344 2420 2816 2930 3223 3520 3872 4688 4840 5860 6446 7040 7744 9376 9680 11720 12892 14080 15488 16115 18752 19360 23440 25784 30976 32230 35453 37504 38720 46880 51568 64460 70906 75008 77440 93760 103136 128920 141812 154880 177265 187520 206272 257840 283624 354530 375040 412544 515680 567248 709060 825088 1031360 1134496 1418120 2062720 2268992 2836240 4125440 4537984 5672480 9075968 11344960 22689920 45379840
• Sum of all divisors σ(n): 119886732
• Sum of proper divisors (its aliquot sum) s(n): 74506892
• 45379840 is an abundant number, because the sum of its proper divisors (74506892) is greater than itself. Its abundance is 29127052

Bases of 45379840

• Binary: 10101101000111000100000000₂
• Hexadecimal: 0x2B47100
• Base-36: R0NB4

Squares and roots of 45379840

• 45379840 squared (45379840²) is 2059329878425600
• 45379840 cubed (45379840³) is 93452060390173179904000
• The square root of 45379840 is 6736.4560415697
• The cube root of 45379840 is 356.6873057999

Scales and comparisons

• 45,379,840 seconds is equal to 1 year, 23 weeks, 5 hours, 30 minutes, 40 seconds.
• To count from 1 to 45,379,840 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 45379840 cubic inches would be around 29.7 feet tall.

Recreational maths with 45379840

• 45379840 backwards is 04897354
• 45379840 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 45379840's digits is 40
• More coming soon!