12643680
12,643,680 is an even composite number composed of six prime numbers multiplied together.
12643680 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 12643680:
25 × 3 × 5 × 7 × 53 × 71
(2 × 2 × 2 × 2 × 2 × 3 × 5 × 7 × 53 × 71)See below for interesting mathematical facts about the number 12643680 from the Numbermatics database.
Names of 12643680
- Cardinal: 12643680 can be written as Twelve million, six hundred forty-three thousand, six hundred eighty.
Scientific notation
- Scientific notation: 1.264368 × 107
Factors of 12643680
Divisors of 12643680
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 53 56 60 70 71 80 84 96 105 106 112 120 140 142 159 160 168 210 212 213 224 240 265 280 284 318 336 355 371 420 424 426 480 497 530 560 568 636 672 710 742 795 840 848 852 994 1060 1065 1113 1120 1136 1272 1420 1484 1491 1590 1680 1696 1704 1855 1988 2120 2130 2226 2272 2485 2544 2840 2968 2982 3180 3360 3408 3710 3763 3976 4240 4260 4452 4970 5088 5565 5680 5936 5964 6360 6816 7420 7455 7526 7952 8480 8520 8904 9940 11130 11289 11360 11872 11928 12720 14840 14910 15052 15904 17040 17808 18815 19880 22260 22578 23856 25440 26341 29680 29820 30104 34080 35616 37630 39760 44520 45156 47712 52682 56445 59360 59640 60208 75260 79023 79520 89040 90312 105364 112890 119280 120416 131705 150520 158046 178080 180624 210728 225780 238560 263410 301040 316092 361248 395115 421456 451560 526820 602080 632184 790230 842912 903120 1053640 1264368 1580460 1806240 2107280 2528736 3160920 4214560 6321840 12643680
- Sum of all divisors σ(n): 47029248
- Sum of proper divisors (its aliquot sum) s(n): 34385568
- 12643680 is an abundant number, because the sum of its proper divisors (34385568) is greater than itself. Its abundance is 21741888
Bases of 12643680
- Binary: 1100000011101101011000002
- Hexadecimal: 0xC0ED60
- Base-36: 7IZXC
Squares and roots of 12643680
- 12643680 squared (126436802) is 159862643942400
- 12643680 cubed (126436803) is 2021252113961644032000
-
The
square root of 12643680 is 3555.7952696971 -
The
cube root of 12643680 is 232.9652609581
Scales and comparisons
How big is 12643680?- 12,643,680 seconds is equal to 20 weeks, 6 days, 8 hours, 8 minutes.
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To count from 1 to 12,643,680 would take you about thirty-one weeks!
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 12643680 cubic inches would be around 19.4 feet tall.
Recreational maths with 12643680
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