80991072
80,991,072 is an even composite number composed of four prime numbers multiplied together.
80991072 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 80991072:
25 × 32 × 193 × 41
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 19 × 19 × 19 × 41)See below for interesting mathematical facts about the number 80991072 from the Numbermatics database.
Names of 80991072
- Cardinal: 80991072 can be written as Eighty million, nine hundred ninety-one thousand and seventy-two.
Scientific notation
- Scientific notation: 8.0991072 × 107
Factors of 80991072
Divisors of 80991072
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 19 24 32 36 38 41 48 57 72 76 82 96 114 123 144 152 164 171 228 246 288 304 328 342 361 369 456 492 608 656 684 722 738 779 912 984 1083 1312 1368 1444 1476 1558 1824 1968 2166 2337 2736 2888 2952 3116 3249 3936 4332 4674 5472 5776 5904 6232 6498 6859 7011 8664 9348 11552 11808 12464 12996 13718 14022 14801 17328 18696 20577 24928 25992 27436 28044 29602 34656 37392 41154 44403 51984 54872 56088 59204 61731 74784 82308 88806 103968 109744 112176 118408 123462 133209 164616 177612 219488 224352 236816 246924 266418 281219 329232 355224 473632 493848 532836 562438 658464 710448 843657 987696 1065672 1124876 1420896 1687314 1975392 2131344 2249752 2530971 3374628 4262688 4499504 5061942 6749256 8999008 10123884 13498512 20247768 26997024 40495536 80991072
- Sum of all divisors σ(n): 249041520
- Sum of proper divisors (its aliquot sum) s(n): 168050448
- 80991072 is an abundant number, because the sum of its proper divisors (168050448) is greater than itself. Its abundance is 87059376
Bases of 80991072
- Binary: 1001101001111010011011000002
- Hexadecimal: 0x4D3D360
- Base-36: 1C7X40
Squares and roots of 80991072
- 80991072 squared (809910722) is 6559553743709184
- 80991072 cubed (809910723) is 531265289544620068405248
-
The
square root of 80991072 is 8999.5039863317 -
The
cube root of 80991072 is 432.6589737129
Scales and comparisons
How big is 80991072?- 80,991,072 seconds is equal to 2 years, 29 weeks, 6 days, 9 hours, 31 minutes, 12 seconds.
-
To count from 1 to 80,991,072 would take you about three 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 80991072 cubic inches would be around 36.1 feet tall.
Recreational maths with 80991072
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