12642560
12,642,560 is an even composite number composed of five prime numbers multiplied together.
12642560 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 12642560:
28 × 5 × 7 × 17 × 83
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 17 × 83)See below for interesting mathematical facts about the number 12642560 from the Numbermatics database.
Names of 12642560
- Cardinal: 12642560 can be written as Twelve million, six hundred forty-two thousand, five hundred sixty.
Scientific notation
- Scientific notation: 1.264256 × 107
Factors of 12642560
Divisors of 12642560
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 4 5 7 8 10 14 16 17 20 28 32 34 35 40 56 64 68 70 80 83 85 112 119 128 136 140 160 166 170 224 238 256 272 280 320 332 340 415 448 476 544 560 581 595 640 664 680 830 896 952 1088 1120 1162 1190 1280 1328 1360 1411 1660 1792 1904 2176 2240 2324 2380 2656 2720 2822 2905 3320 3808 4352 4480 4648 4760 5312 5440 5644 5810 6640 7055 7616 8960 9296 9520 9877 10624 10880 11288 11620 13280 14110 15232 18592 19040 19754 21248 21760 22576 23240 26560 28220 30464 37184 38080 39508 45152 46480 49385 53120 56440 74368 76160 79016 90304 92960 98770 106240 112880 148736 152320 158032 180608 185920 197540 225760 316064 361216 371840 395080 451520 632128 743680 790160 903040 1264256 1580320 1806080 2528512 3160640 6321280 12642560
- Sum of all divisors σ(n): 37086336
- Sum of proper divisors (its aliquot sum) s(n): 24443776
- 12642560 is an abundant number, because the sum of its proper divisors (24443776) is greater than itself. Its abundance is 11801216
Bases of 12642560
- Binary: 1100000011101001000000002
- Hexadecimal: 0xC0E900
- Base-36: 7IZ28
Squares and roots of 12642560
- 12642560 squared (126425602) is 159834323353600
- 12642560 cubed (126425603) is 2020715023057289216000
-
The
square root of 12642560 is 3555.6377768271 -
The
cube root of 12642560 is 232.9583819273
Scales and comparisons
How big is 12642560?- 12,642,560 seconds is equal to 20 weeks, 6 days, 7 hours, 49 minutes, 20 seconds.
-
To count from 1 to 12,642,560 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 12642560 cubic inches would be around 19.4 feet tall.
Recreational maths with 12642560
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