12995820
12,995,820 is an even composite number composed of six prime numbers multiplied together.
12995820 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 12995820:
22 × 32 × 5 × 17 × 31 × 137
(2 × 2 × 3 × 3 × 5 × 17 × 31 × 137)See below for interesting mathematical facts about the number 12995820 from the Numbermatics database.
Names of 12995820
- Cardinal: 12995820 can be written as Twelve million, nine hundred ninety-five thousand, eight hundred twenty.
Scientific notation
- Scientific notation: 1.299582 × 107
Factors of 12995820
Divisors of 12995820
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 17 18 20 30 31 34 36 45 51 60 62 68 85 90 93 102 124 137 153 155 170 180 186 204 255 274 279 306 310 340 372 411 465 510 527 548 558 612 620 685 765 822 930 1020 1054 1116 1233 1370 1395 1530 1581 1644 1860 2055 2108 2329 2466 2635 2740 2790 3060 3162 4110 4247 4658 4743 4932 5270 5580 6165 6324 6987 7905 8220 8494 9316 9486 10540 11645 12330 12741 13974 15810 16988 18972 20961 21235 23290 23715 24660 25482 27948 31620 34935 38223 41922 42470 46580 47430 50964 63705 69870 72199 76446 83844 84940 94860 104805 127410 139740 144398 152892 191115 209610 216597 254820 288796 360995 382230 419220 433194 649791 721990 764460 866388 1082985 1299582 1443980 2165970 2599164 3248955 4331940 6497910 12995820
- Sum of all divisors σ(n): 43400448
- Sum of proper divisors (its aliquot sum) s(n): 30404628
- 12995820 is an abundant number, because the sum of its proper divisors (30404628) is greater than itself. Its abundance is 17408808
Bases of 12995820
- Binary: 1100011001001100111011002
- Hexadecimal: 0xC64CEC
- Base-36: 7QJN0
Squares and roots of 12995820
- 12995820 squared (129958202) is 168891337472400
- 12995820 cubed (129958203) is 2194881421350565368000
-
The
square root of 12995820 is 3604.9715671555 -
The
cube root of 12995820 is 235.1082645859
Scales and comparisons
How big is 12995820?- 12,995,820 seconds is equal to 21 weeks, 3 days, 9 hours, 57 minutes.
-
To count from 1 to 12,995,820 would take you about thirty-two 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 12995820 cubic inches would be around 19.6 feet tall.
Recreational maths with 12995820
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