385101728
385,101,728 is an even composite number composed of five prime numbers multiplied together.
385101728 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 385101728:
25 × 11 × 19 × 71 × 811
(2 × 2 × 2 × 2 × 2 × 11 × 19 × 71 × 811)See below for interesting mathematical facts about the number 385101728 from the Numbermatics database.
Names of 385101728
- Cardinal: 385101728 can be written as Three hundred eighty-five million, one hundred one thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 3.85101728 × 108
Factors of 385101728
Divisors of 385101728
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 4 8 11 16 19 22 32 38 44 71 76 88 142 152 176 209 284 304 352 418 568 608 781 811 836 1136 1349 1562 1622 1672 2272 2698 3124 3244 3344 5396 6248 6488 6688 8921 10792 12496 12976 14839 15409 17842 21584 24992 25952 29678 30818 35684 43168 57581 59356 61636 71368 115162 118712 123272 142736 169499 230324 237424 246544 285472 338998 460648 474848 493088 633391 677996 921296 1094039 1266782 1355992 1842592 2188078 2533564 2711984 4376156 5067128 5423968 8752312 10134256 12034429 17504624 20268512 24068858 35009248 48137716 96275432 192550864 385101728
- Sum of all divisors σ(n): 883975680
- Sum of proper divisors (its aliquot sum) s(n): 498873952
- 385101728 is an abundant number, because the sum of its proper divisors (498873952) is greater than itself. Its abundance is 113772224
Bases of 385101728
- Binary: 101101111010000101111101000002
- Hexadecimal: 0x16F42FA0
- Base-36: 6DA2E8
Squares and roots of 385101728
- 385101728 squared (3851017282) is 148303340908585984
- 385101728 cubed (3851017283) is 57111872852069552474980352
-
The
square root of 385101728 is 19624.0089686079 -
The
cube root of 385101728 is 727.5427027835
Scales and comparisons
How big is 385101728?- 385,101,728 seconds is equal to 12 years, 12 weeks, 5 days, 4 hours, 42 minutes, 8 seconds.
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To count from 1 to 385,101,728 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 385101728 cubic inches would be around 60.6 feet tall.
Recreational maths with 385101728
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