396740864
396,740,864 is an even composite number composed of four prime numbers multiplied together.
396740864 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 396740864:
28 × 13 × 97 × 1229
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 13 × 97 × 1229)See below for interesting mathematical facts about the number 396740864 from the Numbermatics database.
Names of 396740864
- Cardinal: 396740864 can be written as Three hundred ninety-six million, seven hundred forty thousand, eight hundred sixty-four.
Scientific notation
- Scientific notation: 3.96740864 × 108
Factors of 396740864
Divisors of 396740864
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 4 8 13 16 26 32 52 64 97 104 128 194 208 256 388 416 776 832 1229 1261 1552 1664 2458 2522 3104 3328 4916 5044 6208 9832 10088 12416 15977 19664 20176 24832 31954 39328 40352 63908 78656 80704 119213 127816 157312 161408 238426 255632 314624 322816 476852 511264 953704 1022528 1549769 1907408 2045056 3099538 3814816 4090112 6199076 7629632 12398152 15259264 24796304 30518528 49592608 99185216 198370432 396740864
- Sum of all divisors σ(n): 862343160
- Sum of proper divisors (its aliquot sum) s(n): 465602296
- 396740864 is an abundant number, because the sum of its proper divisors (465602296) is greater than itself. Its abundance is 68861432
Bases of 396740864
- Binary: 101111010010111001001000000002
- Hexadecimal: 0x17A5C900
- Base-36: 6K7J7K
Squares and roots of 396740864
- 396740864 squared (3967408642) is 157403313167466496
- 396740864 cubed (3967408643) is 62448326462523234314092544
-
The
square root of 396740864 is 19918.3549521541 -
The
cube root of 396740864 is 734.7997134251
Scales and comparisons
How big is 396740864?- 396,740,864 seconds is equal to 12 years, 31 weeks, 6 days, 21 hours, 47 minutes, 44 seconds.
-
To count from 1 to 396,740,864 would take you about eighteen years!
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 396740864 cubic inches would be around 61.2 feet tall.
Recreational maths with 396740864
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