131230720
131,230,720 is an even composite number composed of four prime numbers multiplied together.
131230720 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred thirty-two divisors.
Prime factorization of 131230720:
210 × 5 × 192 × 71
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 19 × 19 × 71)See below for interesting mathematical facts about the number 131230720 from the Numbermatics database.
Names of 131230720
- Cardinal: 131230720 can be written as One hundred thirty-one million, two hundred thirty thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.3123072 × 108
Factors of 131230720
Divisors of 131230720
- Number of divisors d(n): 132
-
Complete list of divisors:
1 2 4 5 8 10 16 19 20 32 38 40 64 71 76 80 95 128 142 152 160 190 256 284 304 320 355 361 380 512 568 608 640 710 722 760 1024 1136 1216 1280 1349 1420 1444 1520 1805 2272 2432 2560 2698 2840 2888 3040 3610 4544 4864 5120 5396 5680 5776 6080 6745 7220 9088 9728 10792 11360 11552 12160 13490 14440 18176 19456 21584 22720 23104 24320 25631 26980 28880 36352 43168 45440 46208 48640 51262 53960 57760 72704 86336 90880 92416 97280 102524 107920 115520 128155 172672 181760 184832 205048 215840 231040 256310 345344 363520 369664 410096 431680 462080 512620 690688 820192 863360 924160 1025240 1381376 1640384 1726720 1848320 2050480 3280768 3453440 4100960 6561536 6906880 8201920 13123072 16403840 26246144 32807680 65615360 131230720
- Sum of all divisors σ(n): 336919824
- Sum of proper divisors (its aliquot sum) s(n): 205689104
- 131230720 is an abundant number, because the sum of its proper divisors (205689104) is greater than itself. Its abundance is 74458384
Bases of 131230720
- Binary: 1111101001001101100000000002
- Hexadecimal: 0x7D26C00
- Base-36: 264Q9S
Squares and roots of 131230720
- 131230720 squared (1312307202) is 17221501871718400
- 131230720 cubed (1312307203) is 2259990090106953269248000
-
The
square root of 131230720 is 11455.5977583013 -
The
cube root of 131230720 is 508.1732932247
Scales and comparisons
How big is 131230720?- 131,230,720 seconds is equal to 4 years, 8 weeks, 6 days, 20 hours, 58 minutes, 40 seconds.
-
To count from 1 to 131,230,720 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 131230720 cubic inches would be around 42.3 feet tall.
Recreational maths with 131230720
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