64142820
64,142,820 is an even composite number composed of six prime numbers multiplied together.
64142820 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 64142820:
22 × 33 × 5 × 7 × 71 × 239
(2 × 2 × 3 × 3 × 3 × 5 × 7 × 71 × 239)See below for interesting mathematical facts about the number 64142820 from the Numbermatics database.
Names of 64142820
- Cardinal: 64142820 can be written as Sixty-four million, one hundred forty-two thousand, eight hundred twenty.
Scientific notation
- Scientific notation: 6.414282 × 107
Factors of 64142820
Divisors of 64142820
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 54 60 63 70 71 84 90 105 108 126 135 140 142 180 189 210 213 239 252 270 284 315 355 378 420 426 478 497 540 630 639 710 717 756 852 945 956 994 1065 1195 1260 1278 1420 1434 1491 1673 1890 1917 1988 2130 2151 2390 2485 2556 2868 2982 3195 3346 3585 3780 3834 4260 4302 4473 4780 4970 5019 5964 6390 6453 6692 7170 7455 7668 8365 8604 8946 9585 9940 10038 10755 12780 12906 13419 14340 14910 15057 16730 16969 17892 19170 20076 21510 22365 25095 25812 26838 29820 30114 32265 33460 33938 38340 43020 44730 45171 50190 50907 53676 60228 64530 67095 67876 75285 84845 89460 90342 100380 101814 118783 129060 134190 150570 152721 169690 180684 203628 225855 237566 254535 268380 301140 305442 339380 356349 451710 458163 475132 509070 593915 610884 712698 763605 903420 916326 1018140 1069047 1187830 1425396 1527210 1781745 1832652 2138094 2290815 2375660 3054420 3207141 3563490 4276188 4581630 5345235 6414282 7126980 9163260 10690470 12828564 16035705 21380940 32071410 64142820
- Sum of all divisors σ(n): 232243200
- Sum of proper divisors (its aliquot sum) s(n): 168100380
- 64142820 is an abundant number, because the sum of its proper divisors (168100380) is greater than itself. Its abundance is 103957560
Bases of 64142820
- Binary: 111101001010111101111001002
- Hexadecimal: 0x3D2BDE4
- Base-36: 126SX0
Squares and roots of 64142820
- 64142820 squared (641428202) is 4114301357552400
- 64142820 cubed (641428203) is 263902891403239233768000
-
The
square root of 64142820 is 8008.9212756775 -
The
cube root of 64142820 is 400.2973206131
Scales and comparisons
How big is 64142820?- 64,142,820 seconds is equal to 2 years, 2 weeks, 9 hours, 27 minutes.
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To count from 1 to 64,142,820 would take you about three 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 64142820 cubic inches would be around 33.4 feet tall.
Recreational maths with 64142820
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