20479968
20,479,968 is an even composite number composed of five prime numbers multiplied together.
20479968 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 20479968:
25 × 32 × 17 × 47 × 89
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 17 × 47 × 89)See below for interesting mathematical facts about the number 20479968 from the Numbermatics database.
Names of 20479968
- Cardinal: 20479968 can be written as Twenty million, four hundred seventy-nine thousand, nine hundred sixty-eight.
Scientific notation
- Scientific notation: 2.0479968 × 107
Factors of 20479968
Divisors of 20479968
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 3 4 6 8 9 12 16 17 18 24 32 34 36 47 48 51 68 72 89 94 96 102 136 141 144 153 178 188 204 267 272 282 288 306 356 376 408 423 534 544 564 612 712 752 799 801 816 846 1068 1128 1224 1424 1504 1513 1598 1602 1632 1692 2136 2256 2397 2448 2848 3026 3196 3204 3384 4183 4272 4512 4539 4794 4896 6052 6392 6408 6768 7191 8366 8544 9078 9588 12104 12549 12784 12816 13536 13617 14382 16732 18156 19176 24208 25098 25568 25632 27234 28764 33464 36312 37647 38352 48416 50196 54468 57528 66928 71111 72624 75294 76704 100392 108936 115056 133856 142222 145248 150588 200784 213333 217872 230112 284444 301176 401568 426666 435744 568888 602352 639999 853332 1137776 1204704 1279998 1706664 2275552 2559996 3413328 5119992 6826656 10239984 20479968
- Sum of all divisors σ(n): 63685440
- Sum of proper divisors (its aliquot sum) s(n): 43205472
- 20479968 is an abundant number, because the sum of its proper divisors (43205472) is greater than itself. Its abundance is 22725504
Bases of 20479968
- Binary: 10011100001111111111000002
- Hexadecimal: 0x1387FE0
- Base-36: C6YG0
Squares and roots of 20479968
- 20479968 squared (204799682) is 419429089281024
- 20479968 cubed (204799683) is 8589894326744514527232
-
The
square root of 20479968 is 4525.4798640587 -
The
cube root of 20479968 is 273.5960089703
Scales and comparisons
How big is 20479968?- 20,479,968 seconds is equal to 33 weeks, 6 days, 52 minutes, 48 seconds.
-
To count from 1 to 20,479,968 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 20479968 cubic inches would be around 22.8 feet tall.
Recreational maths with 20479968
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