64138326720
64,138,326,720 is an even composite number composed of five prime numbers multiplied together.
64138326720 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty-eight divisors.
Prime factorization of 64138326720:
26 × 3 × 5 × 13 × 22672
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 13 × 2267 × 2267)See below for interesting mathematical facts about the number 64138326720 from the Numbermatics database.
Names of 64138326720
- Cardinal: 64138326720 can be written as Sixty-four billion, one hundred thirty-eight million, three hundred twenty-six thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 6.413832672 × 1010
Factors of 64138326720
Divisors of 64138326720
- Number of divisors d(n): 168
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 48 52 60 64 65 78 80 96 104 120 130 156 160 192 195 208 240 260 312 320 390 416 480 520 624 780 832 960 1040 1248 1560 2080 2267 2496 3120 4160 4534 6240 6801 9068 11335 12480 13602 18136 22670 27204 29471 34005 36272 45340 54408 58942 68010 72544 88413 90680 108816 117884 136020 145088 147355 176826 181360 217632 235768 272040 294710 353652 362720 435264 442065 471536 544080 589420 707304 725440 884130 943072 1088160 1178840 1414608 1768260 1886144 2176320 2357680 2829216 3536520 4715360 5139289 5658432 7073040 9430720 10278578 14146080 15417867 20557156 25696445 28292160 30835734 41114312 51392890 61671468 66810757 77089335 82228624 102785780 123342936 133621514 154178670 164457248 200432271 205571560 246685872 267243028 308357340 328914496 334053785 400864542 411143120 493371744 534486056 616714680 668107570 801729084 822286240 986743488 1002161355 1068972112 1233429360 1336215140 1603458168 1644572480 2004322710 2137944224 2466858720 2672430280 3206916336 4008645420 4275888448 4933717440 5344860560 6413832672 8017290840 10689721120 12827665344 16034581680 21379442240 32069163360 64138326720
- Sum of all divisors σ(n): 219400520304
- Sum of proper divisors (its aliquot sum) s(n): 155262193584
- 64138326720 is an abundant number, because the sum of its proper divisors (155262193584) is greater than itself. Its abundance is 91123866864
Bases of 64138326720
- Binary: 1110111011101111000100110010110000002
- Hexadecimal: 0xEEEF132C0
- Base-36: TGQAXMO
Squares and roots of 64138326720
- 64138326720 squared (641383267202) is 4113724954441465958400
- 64138326720 cubed (641383267203) is 263847435164183858755617128448000
-
The
square root of 64138326720 is 253255.4574337935 -
The
cube root of 64138326720 is 4002.8797329537
Scales and comparisons
How big is 64138326720?- 64,138,326,720 seconds is equal to 2,039 years, 20 weeks, 5 days, 17 hours, 52 minutes.
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To count from 1 to 64,138,326,720 would take you about four thousand and seventy-eight 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 64138326720 cubic inches would be around 333.6 feet tall.
Recreational maths with 64138326720
- 64138326720 backwards is 02762383146
- The number of decimal digits it has is: 11
- The sum of 64138326720's digits is 42
- More coming soon!
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