20407464

Names of 20407464

• Cardinal: 20407464 can be written as Twenty million, four hundred seven thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 2.0407464 × 10⁷

Factors of 20407464

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 432

Divisors of 20407464

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 18 21 22 24 27 28 33 36 42 44 54 56 63 66 72 77 81 84 88 99 108 126 132 154 162 168 189 198 216 231 252 264 297 308 324 378 396 409 462 504 567 594 616 648 693 756 792 818 891 924 1134 1188 1227 1386 1512 1636 1782 1848 2079 2268 2376 2454 2772 2863 3272 3564 3681 4158 4499 4536 4908 5544 5726 6237 7128 7362 8316 8589 8998 9816 11043 11452 12474 13497 14724 16632 17178 17996 22086 22904 24948 25767 26994 29448 31493 33129 34356 35992 40491 44172 49896 51534 53988 62986 66258 68712 77301 80982 88344 94479 103068 107976 121473 125972 132516 154602 161964 188958 206136 231903 242946 251944 265032 283437 309204 323928 364419 377916 463806 485892 566874 618408 728838 755832 850311 927612 971784 1133748 1457676 1700622 1855224 2267496 2550933 2915352 3401244 5101866 6802488 10203732 20407464
• Sum of all divisors σ(n): 71438400
• Sum of proper divisors (its aliquot sum) s(n): 51030936
• 20407464 is an abundant number, because the sum of its proper divisors (51030936) is greater than itself. Its abundance is 30623472

Bases of 20407464

• Binary: 1001101110110010010101000₂
• Hexadecimal: 0x13764A8
• Base-36: C5EI0

Squares and roots of 20407464

• 20407464 squared (20407464²) is 416464586911296
• 20407464 cubed (20407464³) is 8498986064667144313344
• The square root of 20407464 is 4517.4621193763
• The cube root of 20407464 is 273.2727620425

Scales and comparisons

• 20,407,464 seconds is equal to 33 weeks, 5 days, 4 hours, 44 minutes, 24 seconds.
• To count from 1 to 20,407,464 would take you about fifty 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 20407464 cubic inches would be around 22.8 feet tall.

Recreational maths with 20407464

• 20407464 backwards is 46470402
• 20407464 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20407464's digits is 27
• More coming soon!