21415104

Names of 21415104

• Cardinal: 21415104 can be written as Twenty-one million, four hundred fifteen thousand, one hundred four.

Scientific notation

• Scientific notation: 2.1415104 × 10⁷

Factors of 21415104

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 22

Divisors of 21415104

• Number of divisors d(n): 140
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 27 32 34 36 48 51 54 64 68 72 81 96 102 108 136 144 153 162 192 204 216 243 272 288 306 324 408 432 459 486 544 576 612 648 729 816 864 918 972 1088 1224 1296 1377 1458 1632 1728 1836 1944 2187 2448 2592 2754 2916 3264 3672 3888 4131 4374 4896 5184 5508 5832 6561 7344 7776 8262 8748 9792 11016 11664 12393 13122 14688 15552 16524 17496 19683 22032 23328 24786 26244 29376 33048 34992 37179 39366 44064 46656 49572 52488 66096 69984 74358 78732 88128 99144 104976 111537 132192 139968 148716 157464 198288 209952 223074 264384 297432 314928 334611 396576 419904 446148 594864 629856 669222 793152 892296 1189728 1259712 1338444 1784592 2379456 2676888 3569184 5353776 7138368 10707552 21415104
• Sum of all divisors σ(n): 67491864
• Sum of proper divisors (its aliquot sum) s(n): 46076760
• 21415104 is an abundant number, because the sum of its proper divisors (46076760) is greater than itself. Its abundance is 24661656

Bases of 21415104

• Binary: 1010001101100010011000000₂
• Hexadecimal: 0x146C4C0
• Base-36: CR000

Squares and roots of 21415104

• 21415104 squared (21415104²) is 458606679330816
• 21415104 cubed (21415104³) is 9821109732964075044864
• The square root of 21415104 is 4627.6456216957
• The cube root of 21415104 is 277.6984117911

Scales and comparisons

• 21,415,104 seconds is equal to 35 weeks, 2 days, 20 hours, 38 minutes, 24 seconds.
• To count from 1 to 21,415,104 would take you about eighteen hours!

  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 21415104 cubic inches would be around 23.1 feet tall.

Recreational maths with 21415104

• 21415104 backwards is 40151412
• 21415104 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 21415104's digits is 18
• More coming soon!