131021748
131,021,748 is an even composite number composed of six prime numbers multiplied together.
131021748 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 131021748:
22 × 32 × 11 × 13 × 31 × 821
(2 × 2 × 3 × 3 × 11 × 13 × 31 × 821)See below for interesting mathematical facts about the number 131021748 from the Numbermatics database.
Names of 131021748
- Cardinal: 131021748 can be written as One hundred thirty-one million, twenty-one thousand, seven hundred forty-eight.
Scientific notation
- Scientific notation: 1.31021748 × 108
Factors of 131021748
Divisors of 131021748
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 3 4 6 9 11 12 13 18 22 26 31 33 36 39 44 52 62 66 78 93 99 117 124 132 143 156 186 198 234 279 286 341 372 396 403 429 468 558 572 682 806 821 858 1023 1116 1209 1287 1364 1612 1642 1716 2046 2418 2463 2574 3069 3284 3627 4092 4433 4836 4926 5148 6138 7254 7389 8866 9031 9852 10673 12276 13299 14508 14778 17732 18062 21346 25451 26598 27093 29556 32019 36124 39897 42692 50902 53196 54186 64038 76353 79794 81279 96057 101804 108372 117403 128076 152706 159588 162558 192114 229059 234806 279961 305412 325116 330863 352209 384228 458118 469612 559922 661726 704418 839883 916236 992589 1056627 1119844 1323452 1408836 1679766 1985178 2113254 2519649 2977767 3359532 3639493 3970356 4226508 5039298 5955534 7278986 10078596 10918479 11911068 14557972 21836958 32755437 43673916 65510874 131021748
- Sum of all divisors σ(n): 402135552
- Sum of proper divisors (its aliquot sum) s(n): 271113804
- 131021748 is an abundant number, because the sum of its proper divisors (271113804) is greater than itself. Its abundance is 140092056
Bases of 131021748
- Binary: 1111100111100111011101101002
- Hexadecimal: 0x7CF3BB4
- Base-36: 260910
Squares and roots of 131021748
- 131021748 squared (1310217482) is 17166698448975504
- 131021748 cubed (1310217483) is 2249210838173659343260992
-
The
square root of 131021748 is 11446.4731686227 -
The
cube root of 131021748 is 507.9034112767
Scales and comparisons
How big is 131021748?- 131,021,748 seconds is equal to 4 years, 8 weeks, 4 days, 10 hours, 55 minutes, 48 seconds.
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To count from 1 to 131,021,748 would take you about six 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 131021748 cubic inches would be around 42.3 feet tall.
Recreational maths with 131021748
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