12855700
12,855,700 is an even composite number composed of six prime numbers multiplied together.
12855700 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 12855700:
22 × 52 × 11 × 13 × 29 × 31
(2 × 2 × 5 × 5 × 11 × 13 × 29 × 31)See below for interesting mathematical facts about the number 12855700 from the Numbermatics database.
Names of 12855700
- Cardinal: 12855700 can be written as Twelve million, eight hundred fifty-five thousand, seven hundred.
Scientific notation
- Scientific notation: 1.28557 × 107
Factors of 12855700
Divisors of 12855700
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 4 5 10 11 13 20 22 25 26 29 31 44 50 52 55 58 62 65 100 110 116 124 130 143 145 155 220 260 275 286 290 310 319 325 341 377 403 550 572 580 620 638 650 682 715 725 754 775 806 899 1100 1276 1300 1364 1430 1450 1508 1550 1595 1612 1705 1798 1885 2015 2860 2900 3100 3190 3410 3575 3596 3770 4030 4147 4433 4495 6380 6820 7150 7540 7975 8060 8294 8525 8866 8990 9425 9889 10075 11687 14300 15950 16588 17050 17732 17980 18850 19778 20150 20735 22165 22475 23374 31900 34100 37700 39556 40300 41470 44330 44950 46748 49445 58435 82940 88660 89900 98890 103675 110825 116870 128557 197780 207350 221650 233740 247225 257114 292175 414700 443300 494450 514228 584350 642785 988900 1168700 1285570 2571140 3213925 6427850 12855700
- Sum of all divisors σ(n): 34997760
- Sum of proper divisors (its aliquot sum) s(n): 22142060
- 12855700 is an abundant number, because the sum of its proper divisors (22142060) is greater than itself. Its abundance is 9286360
Bases of 12855700
- Binary: 1100010000101001100101002
- Hexadecimal: 0xC42994
- Base-36: 7NJIS
Squares and roots of 12855700
- 12855700 squared (128557002) is 165269022490000
- 12855700 cubed (128557003) is 2124648972424693000000
-
The
square root of 12855700 is 3585.4846255423 -
The
cube root of 12855700 is 234.2602359619
Scales and comparisons
How big is 12855700?- 12,855,700 seconds is equal to 21 weeks, 1 day, 19 hours, 1 minute, 40 seconds.
-
To count from 1 to 12,855,700 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 12855700 cubic inches would be around 19.5 feet tall.
Recreational maths with 12855700
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