221398320
221,398,320 is an even composite number composed of six prime numbers multiplied together.
What does the number 221398320 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 160 divisors.
221398320 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 221398320:
24 × 3 × 5 × 11 × 13 × 6451
(2 × 2 × 2 × 2 × 3 × 5 × 11 × 13 × 6451)See below for interesting mathematical facts about the number 221398320 from the Numbermatics database.
Names of 221398320
- Cardinal: 221398320 can be written as Two hundred twenty-one million, three hundred ninety-eight thousand, three hundred twenty.
Scientific notation
- Scientific notation: 2.2139832 × 108
Factors of 221398320
Divisors of 221398320
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 3 4 5 6 8 10 11 12 13 15 16 20 22 24 26 30 33 39 40 44 48 52 55 60 65 66 78 80 88 104 110 120 130 132 143 156 165 176 195 208 220 240 260 264 286 312 330 390 429 440 520 528 572 624 660 715 780 858 880 1040 1144 1320 1430 1560 1716 2145 2288 2640 2860 3120 3432 4290 5720 6451 6864 8580 11440 12902 17160 19353 25804 32255 34320 38706 51608 64510 70961 77412 83863 96765 103216 129020 141922 154824 167726 193530 212883 251589 258040 283844 309648 335452 354805 387060 419315 425766 503178 516080 567688 670904 709610 774120 838630 851532 922493 1006356 1064415 1135376 1257945 1341808 1419220 1548240 1677260 1703064 1844986 2012712 2128830 2515890 2767479 2838440 3354520 3406128 3689972 4025424 4257660 4612465 5031780 5534958 5676880 6709040 7379944 8515320 9224930 10063560 11069916 13837395 14759888 17030640 18449860 20127120 22139832 27674790 36899720 44279664 55349580 73799440 110699160 221398320
- Sum of all divisors σ(n): 806448384
- Sum of proper divisors (its aliquot sum) s(n): 585050064
- 221398320 is an abundant number, because the sum of its proper divisors (585050064) is greater than itself. Its abundance is 363651744
Bases of 221398320
- Binary: 11010011001001000101001100002
- Hexadecimal: 0xD324530
- Base-36: 3NTC1C
Squares and roots of 221398320
- 221398320 squared (2213983202) is 49017216098822400
- 221398320 cubed (2213983203) is 10852329295356233338368000
-
The
square root of 221398320 is 14879.4596676089 -
The
cube root of 221398320 is 604.9573724035
Scales and comparisons
How big is 221398320?- 221,398,320 seconds is equal to 7 years, 2 weeks, 11 hours, 32 minutes.
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To count from 1 to 221,398,320 would take you about ten 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 221398320 cubic inches would be around 50.4 feet tall.
Recreational maths with 221398320
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