13629440

Names of 13629440

• Cardinal: 13629440 can be written as Thirteen million, six hundred twenty-nine thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.362944 × 10⁷

Factors of 13629440

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 18

Divisors of 13629440

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 121 128 160 176 220 242 256 320 352 440 484 512 605 640 704 880 968 1024 1210 1280 1331 1408 1760 1936 2048 2420 2560 2662 2816 3520 3872 4840 5120 5324 5632 6655 7040 7744 9680 10240 10648 11264 13310 14080 15488 19360 21296 22528 26620 28160 30976 38720 42592 53240 56320 61952 77440 85184 106480 112640 123904 154880 170368 212960 247808 309760 340736 425920 619520 681472 851840 1239040 1362944 1703680 2725888 3407360 6814720 13629440
• Sum of all divisors σ(n): 35970480
• Sum of proper divisors (its aliquot sum) s(n): 22341040
• 13629440 is an abundant number, because the sum of its proper divisors (22341040) is greater than itself. Its abundance is 8711600

Bases of 13629440

• Binary: 110011111111100000000000₂
• Hexadecimal: 0xCFF800
• Base-36: 844JK

Squares and roots of 13629440

• 13629440 squared (13629440²) is 185761634713600
• 13629440 cubed (13629440³) is 2531827054630928384000
• The square root of 13629440 is 3691.8071455589
• The cube root of 13629440 is 238.8687502603

Scales and comparisons

• 13,629,440 seconds is equal to 22 weeks, 3 days, 17 hours, 57 minutes, 20 seconds.
• To count from 1 to 13,629,440 would take you about thirty-three weeks!

  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 13629440 cubic inches would be around 19.9 feet tall.

Recreational maths with 13629440

• 13629440 backwards is 04492631
• The number of decimal digits it has is: 8
• The sum of 13629440's digits is 29
• More coming soon!