40538421
40,538,421 is an odd composite number composed of six prime numbers multiplied together.
40538421 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 40538421:
33 × 7 × 11 × 17 × 31 × 37
(3 × 3 × 3 × 7 × 11 × 17 × 31 × 37)See below for interesting mathematical facts about the number 40538421 from the Numbermatics database.
Names of 40538421
- Cardinal: 40538421 can be written as Forty million, five hundred thirty-eight thousand, four hundred twenty-one.
Scientific notation
- Scientific notation: 4.0538421 × 107
Factors of 40538421
Divisors of 40538421
- Number of divisors d(n): 128
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Complete list of divisors:
1 3 7 9 11 17 21 27 31 33 37 51 63 77 93 99 111 119 153 187 189 217 231 259 279 297 333 341 357 407 459 527 561 629 651 693 777 837 999 1023 1071 1147 1221 1309 1581 1683 1887 1953 2079 2331 2387 2849 3069 3213 3441 3663 3689 3927 4403 4743 5049 5661 5797 5859 6919 6993 7161 8029 8547 9207 10323 10989 11067 11781 12617 13209 14229 16983 17391 19499 20757 21483 24087 25641 30969 33201 35343 37851 39627 40579 48433 52173 58497 62271 64449 72261 76923 88319 99603 113553 118881 121737 136493 145299 156519 175491 186813 214489 216783 264957 340659 365211 409479 435897 526473 643467 794871 1095633 1228437 1307691 1501423 1930401 2384613 3685311 4504269 5791203 13512807 40538421
- Sum of all divisors σ(n): 84049920
- Sum of proper divisors (its aliquot sum) s(n): 43511499
- 40538421 is an abundant number, because the sum of its proper divisors (43511499) is greater than itself. Its abundance is 2973078
Bases of 40538421
- Binary: 100110101010010001001101012
- Hexadecimal: 0x26A9135
- Base-36: O4VN9
Squares and roots of 40538421
- 40538421 squared (405384212) is 1643363577173241
- 40538421 cubed (405384213) is 66619364547514833592461
-
The
square root of 40538421 is 6366.9789539467 -
The
cube root of 40538421 is 343.5228336683
Scales and comparisons
How big is 40538421?- 40,538,421 seconds is equal to 1 year, 15 weeks, 4 hours, 40 minutes, 21 seconds.
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To count from 1 to 40,538,421 would take you about forty-eight 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 40538421 cubic inches would be around 28.6 feet tall.
Recreational maths with 40538421
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