131390072
131,390,072 is an even composite number composed of five prime numbers multiplied together.
131390072 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 131390072:
23 × 11 × 73 × 113 × 181
(2 × 2 × 2 × 11 × 73 × 113 × 181)See below for interesting mathematical facts about the number 131390072 from the Numbermatics database.
Names of 131390072
- Cardinal: 131390072 can be written as One hundred thirty-one million, three hundred ninety thousand and seventy-two.
Scientific notation
- Scientific notation: 1.31390072 × 108
Factors of 131390072
Divisors of 131390072
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 4 8 11 22 44 73 88 113 146 181 226 292 362 452 584 724 803 904 1243 1448 1606 1991 2486 3212 3982 4972 6424 7964 8249 9944 13213 15928 16498 20453 26426 32996 40906 52852 65992 81812 90739 105704 145343 163624 181478 224983 290686 362956 449966 581372 725912 899932 1162744 1493069 1799864 2986138 5972276 11944552 16423759 32847518 65695036 131390072
- Sum of all divisors σ(n): 276363360
- Sum of proper divisors (its aliquot sum) s(n): 144973288
- 131390072 is an abundant number, because the sum of its proper divisors (144973288) is greater than itself. Its abundance is 13583216
Bases of 131390072
- Binary: 1111101010011011010011110002
- Hexadecimal: 0x7D4DA78
- Base-36: 268588
Squares and roots of 131390072
- 131390072 squared (1313900722) is 17263351020165184
- 131390072 cubed (1313900723) is 2268232933500776977653248
-
The
square root of 131390072 is 11462.5508504869 -
The
cube root of 131390072 is 508.3788997465
Scales and comparisons
How big is 131390072?- 131,390,072 seconds is equal to 4 years, 9 weeks, 1 day, 17 hours, 14 minutes, 32 seconds.
-
To count from 1 to 131,390,072 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 131390072 cubic inches would be around 42.4 feet tall.
Recreational maths with 131390072
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