389865216
389,865,216 is an even composite number composed of five prime numbers multiplied together.
389865216 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 389865216:
28 × 3 × 13 × 17 × 2297
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 13 × 17 × 2297)See below for interesting mathematical facts about the number 389865216 from the Numbermatics database.
Names of 389865216
- Cardinal: 389865216 can be written as Three hundred eighty-nine million, eight hundred sixty-five thousand, two hundred sixteen.
Scientific notation
- Scientific notation: 3.89865216 × 108
Factors of 389865216
Divisors of 389865216
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 6 8 12 13 16 17 24 26 32 34 39 48 51 52 64 68 78 96 102 104 128 136 156 192 204 208 221 256 272 312 384 408 416 442 544 624 663 768 816 832 884 1088 1248 1326 1632 1664 1768 2176 2297 2496 2652 3264 3328 3536 4352 4594 4992 5304 6528 6891 7072 9188 9984 10608 13056 13782 14144 18376 21216 27564 28288 29861 36752 39049 42432 55128 56576 59722 73504 78098 84864 89583 110256 117147 119444 147008 156196 169728 179166 220512 234294 238888 294016 312392 358332 441024 468588 477776 507637 588032 624784 716664 882048 937176 955552 1015274 1249568 1433328 1522911 1764096 1874352 1911104 2030548 2499136 2866656 3045822 3748704 3822208 4061096 4998272 5733312 6091644 7497408 7644416 8122192 9996544 11466624 12183288 14994816 16244384 22933248 24366576 29989632 32488768 48733152 64977536 97466304 129955072 194932608 389865216
- Sum of all divisors σ(n): 1183672224
- Sum of proper divisors (its aliquot sum) s(n): 793807008
- 389865216 is an abundant number, because the sum of its proper divisors (793807008) is greater than itself. Its abundance is 403941792
Bases of 389865216
- Binary: 101110011110011011111000000002
- Hexadecimal: 0x173CDF00
- Base-36: 6G45XC
Squares and roots of 389865216
- 389865216 squared (3898652162) is 151994886646726656
- 389865216 cubed (3898652163) is 59257519313421603434397696
-
The
square root of 389865216 is 19745.0048366669 -
The
cube root of 389865216 is 730.5301809345
Scales and comparisons
How big is 389865216?- 389,865,216 seconds is equal to 12 years, 20 weeks, 4 days, 7 hours, 53 minutes, 36 seconds.
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To count from 1 to 389,865,216 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 389865216 cubic inches would be around 60.9 feet tall.
Recreational maths with 389865216
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