30972384
30,972,384 is an even composite number composed of five prime numbers multiplied together.
30972384 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 30972384:
25 × 32 × 41 × 43 × 61
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 41 × 43 × 61)See below for interesting mathematical facts about the number 30972384 from the Numbermatics database.
Names of 30972384
- Cardinal: 30972384 can be written as Thirty million, nine hundred seventy-two thousand, three hundred eighty-four.
Scientific notation
- Scientific notation: 3.0972384 × 107
Factors of 30972384
Divisors of 30972384
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 32 36 41 43 48 61 72 82 86 96 122 123 129 144 164 172 183 244 246 258 288 328 344 366 369 387 488 492 516 549 656 688 732 738 774 976 984 1032 1098 1312 1376 1464 1476 1548 1763 1952 1968 2064 2196 2501 2623 2928 2952 3096 3526 3936 4128 4392 5002 5246 5289 5856 5904 6192 7052 7503 7869 8784 10004 10492 10578 11808 12384 14104 15006 15738 15867 17568 20008 20984 21156 22509 23607 28208 30012 31476 31734 40016 41968 42312 45018 47214 56416 60024 62952 63468 80032 83936 84624 90036 94428 107543 120048 125904 126936 169248 180072 188856 215086 240096 251808 253872 322629 360144 377712 430172 507744 645258 720288 755424 860344 967887 1290516 1720688 1935774 2581032 3441376 3871548 5162064 7743096 10324128 15486192 30972384
- Sum of all divisors σ(n): 93837744
- Sum of proper divisors (its aliquot sum) s(n): 62865360
- 30972384 is an abundant number, because the sum of its proper divisors (62865360) is greater than itself. Its abundance is 31892976
Bases of 30972384
- Binary: 11101100010011001111000002
- Hexadecimal: 0x1D899E0
- Base-36: IFUG0
Squares and roots of 30972384
- 30972384 squared (309723842) is 959288570643456
- 30972384 cubed (309723843) is 29711453976780246319104
-
The
square root of 30972384 is 5565.2838202557 -
The
cube root of 30972384 is 314.0447554095
Scales and comparisons
How big is 30972384?- 30,972,384 seconds is equal to 51 weeks, 1 day, 11 hours, 26 minutes, 24 seconds.
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To count from 1 to 30,972,384 would take you about twenty-four 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 30972384 cubic inches would be around 26.2 feet tall.
Recreational maths with 30972384
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