40139968
40,139,968 is an even composite number composed of five prime numbers multiplied together.
40139968 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twelve divisors.
Prime factorization of 40139968:
26 × 11 × 23 × 37 × 67
(2 × 2 × 2 × 2 × 2 × 2 × 11 × 23 × 37 × 67)See below for interesting mathematical facts about the number 40139968 from the Numbermatics database.
Names of 40139968
- Cardinal: 40139968 can be written as Forty million, one hundred thirty-nine thousand, nine hundred sixty-eight.
Scientific notation
- Scientific notation: 4.0139968 × 107
Factors of 40139968
Divisors of 40139968
- Number of divisors d(n): 112
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Complete list of divisors:
1 2 4 8 11 16 22 23 32 37 44 46 64 67 74 88 92 134 148 176 184 253 268 296 352 368 407 506 536 592 704 736 737 814 851 1012 1072 1184 1472 1474 1541 1628 1702 2024 2144 2368 2479 2948 3082 3256 3404 4048 4288 4958 5896 6164 6512 6808 8096 9361 9916 11792 12328 13024 13616 16192 16951 18722 19832 23584 24656 26048 27232 27269 33902 37444 39664 47168 49312 54464 54538 57017 67804 74888 79328 98624 109076 114034 135608 149776 158656 218152 228068 271216 299552 436304 456136 542432 599104 627187 872608 912272 1084864 1254374 1745216 1824544 2508748 3649088 5017496 10034992 20069984 40139968
- Sum of all divisors σ(n): 94512384
- Sum of proper divisors (its aliquot sum) s(n): 54372416
- 40139968 is an abundant number, because the sum of its proper divisors (54372416) is greater than itself. Its abundance is 14232448
Bases of 40139968
- Binary: 100110010001111100110000002
- Hexadecimal: 0x2647CC0
- Base-36: NWC74
Squares and roots of 40139968
- 40139968 squared (401399682) is 1611217031041024
- 40139968 cubed (401399683) is 64674200067041710047232
-
The
square root of 40139968 is 6335.6110991757 -
The
cube root of 40139968 is 342.3936281459
Scales and comparisons
How big is 40139968?- 40,139,968 seconds is equal to 1 year, 14 weeks, 2 days, 13 hours, 59 minutes, 28 seconds.
-
To count from 1 to 40,139,968 would take you about forty-seven 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 40139968 cubic inches would be around 28.5 feet tall.
Recreational maths with 40139968
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