21096864
21,096,864 is an even composite number composed of five prime numbers multiplied together.
21096864 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 21096864:
25 × 32 × 17 × 31 × 139
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 17 × 31 × 139)See below for interesting mathematical facts about the number 21096864 from the Numbermatics database.
Names of 21096864
- Cardinal: 21096864 can be written as Twenty-one million, ninety-six thousand, eight hundred sixty-four.
Scientific notation
- Scientific notation: 2.1096864 × 107
Factors of 21096864
Divisors of 21096864
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 3 4 6 8 9 12 16 17 18 24 31 32 34 36 48 51 62 68 72 93 96 102 124 136 139 144 153 186 204 248 272 278 279 288 306 372 408 417 496 527 544 556 558 612 744 816 834 992 1054 1112 1116 1224 1251 1488 1581 1632 1668 2108 2224 2232 2363 2448 2502 2976 3162 3336 4216 4309 4448 4464 4726 4743 4896 5004 6324 6672 7089 8432 8618 8928 9452 9486 10008 12648 12927 13344 14178 16864 17236 18904 18972 20016 21267 25296 25854 28356 34472 37808 37944 38781 40032 42534 50592 51708 56712 68944 73253 75616 75888 77562 85068 103416 113424 137888 146506 151776 155124 170136 206832 219759 226848 293012 310248 340272 413664 439518 586024 620496 659277 680544 879036 1172048 1240992 1318554 1758072 2344096 2637108 3516144 5274216 7032288 10548432 21096864
- Sum of all divisors σ(n): 66044160
- Sum of proper divisors (its aliquot sum) s(n): 44947296
- 21096864 is an abundant number, because the sum of its proper divisors (44947296) is greater than itself. Its abundance is 23850432
Bases of 21096864
- Binary: 10100000111101001101000002
- Hexadecimal: 0x141E9A0
- Base-36: CK6G0
Squares and roots of 21096864
- 21096864 squared (210968642) is 445077670634496
- 21096864 cubed (210968643) is 9389743086812755820544
-
The
square root of 21096864 is 4593.1322645881 -
The
cube root of 21096864 is 276.3159582611
Scales and comparisons
How big is 21096864?- 21,096,864 seconds is equal to 34 weeks, 6 days, 4 hours, 14 minutes, 24 seconds.
-
To count from 1 to 21,096,864 would take you about two days!
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 21096864 cubic inches would be around 23 feet tall.
Recreational maths with 21096864
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