421209072
421,209,072 is an even composite number composed of four prime numbers multiplied together.
421209072 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred divisors.
Prime factorization of 421209072:
24 × 34 × 41 × 7927
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 41 × 7927)See below for interesting mathematical facts about the number 421209072 from the Numbermatics database.
Names of 421209072
- Cardinal: 421209072 can be written as Four hundred twenty-one million, two hundred nine thousand and seventy-two.
Scientific notation
- Scientific notation: 4.21209072 × 108
Factors of 421209072
Divisors of 421209072
- Number of divisors d(n): 100
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 27 36 41 48 54 72 81 82 108 123 144 162 164 216 246 324 328 369 432 492 648 656 738 984 1107 1296 1476 1968 2214 2952 3321 4428 5904 6642 7927 8856 13284 15854 17712 23781 26568 31708 47562 53136 63416 71343 95124 126832 142686 190248 214029 285372 325007 380496 428058 570744 642087 650014 856116 975021 1141488 1284174 1300028 1712232 1950042 2568348 2600056 2925063 3424464 3900084 5136696 5200112 5850126 7800168 8775189 10273392 11700252 15600336 17550378 23400504 26325567 35100756 46801008 52651134 70201512 105302268 140403024 210604536 421209072
- Sum of all divisors σ(n): 1248992976
- Sum of proper divisors (its aliquot sum) s(n): 827783904
- 421209072 is an abundant number, because the sum of its proper divisors (827783904) is greater than itself. Its abundance is 406574832
Bases of 421209072
- Binary: 110010001101100100011111100002
- Hexadecimal: 0x191B23F0
- Base-36: 6YRZ00
Squares and roots of 421209072
- 421209072 squared (4212090722) is 177417082335101184
- 421209072 cubed (4212090723) is 74729684607315562738741248
-
The
square root of 421209072 is 20523.3786692153 -
The
cube root of 421209072 is 749.6051681803
Scales and comparisons
How big is 421209072?- 421,209,072 seconds is equal to 13 years, 20 weeks, 3 days, 2 hours, 31 minutes, 12 seconds.
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To count from 1 to 421,209,072 would take you about twenty 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 421209072 cubic inches would be around 62.5 feet tall.
Recreational maths with 421209072
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