30866472
30,866,472 is an even composite number composed of five prime numbers multiplied together.
30866472 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 30866472:
23 × 32 × 72 × 13 × 673
(2 × 2 × 2 × 3 × 3 × 7 × 7 × 13 × 673)See below for interesting mathematical facts about the number 30866472 from the Numbermatics database.
Names of 30866472
- Cardinal: 30866472 can be written as Thirty million, eight hundred sixty-six thousand, four hundred seventy-two.
Scientific notation
- Scientific notation: 3.0866472 × 107
Factors of 30866472
Divisors of 30866472
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 13 14 18 21 24 26 28 36 39 42 49 52 56 63 72 78 84 91 98 104 117 126 147 156 168 182 196 234 252 273 294 312 364 392 441 468 504 546 588 637 673 728 819 882 936 1092 1176 1274 1346 1638 1764 1911 2019 2184 2548 2692 3276 3528 3822 4038 4711 5096 5384 5733 6057 6552 7644 8076 8749 9422 11466 12114 14133 15288 16152 17498 18844 22932 24228 26247 28266 32977 34996 37688 42399 45864 48456 52494 56532 61243 65954 69992 78741 84798 98931 104988 113064 122486 131908 157482 169596 183729 197862 209976 244972 263816 296793 314964 339192 367458 395724 428701 489944 551187 593586 629928 734916 791448 857402 1102374 1187172 1286103 1469832 1714804 2204748 2374344 2572206 3429608 3858309 4409496 5144412 7716618 10288824 15433236 30866472
- Sum of all divisors σ(n): 104881140
- Sum of proper divisors (its aliquot sum) s(n): 74014668
- 30866472 is an abundant number, because the sum of its proper divisors (74014668) is greater than itself. Its abundance is 43148196
Bases of 30866472
- Binary: 11101011011111100001010002
- Hexadecimal: 0x1D6FC28
- Base-36: IDKQ0
Squares and roots of 30866472
- 30866472 squared (308664722) is 952739093726784
- 30866472 cubed (308664723) is 29407694559823153986048
-
The
square root of 30866472 is 5555.7602540067 -
The
cube root of 30866472 is 313.6863813911
Scales and comparisons
How big is 30866472?- 30,866,472 seconds is equal to 51 weeks, 6 hours, 1 minute, 12 seconds.
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To count from 1 to 30,866,472 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 30866472 cubic inches would be around 26.1 feet tall.
Recreational maths with 30866472
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