221485320
221,485,320 is an even composite number composed of five prime numbers multiplied together.
221485320 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 221485320:
23 × 33 × 5 × 7 × 29297
(2 × 2 × 2 × 3 × 3 × 3 × 5 × 7 × 29297)See below for interesting mathematical facts about the number 221485320 from the Numbermatics database.
Names of 221485320
- Cardinal: 221485320 can be written as Two hundred twenty-one million, four hundred eighty-five thousand, three hundred twenty.
Scientific notation
- Scientific notation: 2.2148532 × 108
Factors of 221485320
Divisors of 221485320
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 27 28 30 35 36 40 42 45 54 56 60 63 70 72 84 90 105 108 120 126 135 140 168 180 189 210 216 252 270 280 315 360 378 420 504 540 630 756 840 945 1080 1260 1512 1890 2520 3780 7560 29297 58594 87891 117188 146485 175782 205079 234376 263673 292970 351564 410158 439455 527346 585940 615237 703128 791019 820316 878910 1025395 1054692 1171880 1230474 1318365 1582038 1640632 1757820 1845711 2050790 2109384 2460948 2636730 3076185 3164076 3515640 3691422 3955095 4101580 4921896 5273460 5537133 6152370 6328152 7382844 7910190 8203160 9228555 10546920 11074266 12304740 14765688 15820380 18457110 22148532 24609480 27685665 31640760 36914220 44297064 55371330 73828440 110742660 221485320
- Sum of all divisors σ(n): 843782400
- Sum of proper divisors (its aliquot sum) s(n): 622297080
- 221485320 is an abundant number, because the sum of its proper divisors (622297080) is greater than itself. Its abundance is 400811760
Bases of 221485320
- Binary: 11010011001110011001000010002
- Hexadecimal: 0xD339908
- Base-36: 3NV760
Squares and roots of 221485320
- 221485320 squared (2214853202) is 49055746975502400
- 221485320 cubed (2214853203) is 10865127816708181224768000
-
The
square root of 221485320 is 14882.3828737203 -
The
cube root of 221485320 is 605.0366027533
Scales and comparisons
How big is 221485320?- 221,485,320 seconds is equal to 7 years, 2 weeks, 1 day, 11 hours, 42 minutes.
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To count from 1 to 221,485,320 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 221485320 cubic inches would be around 50.4 feet tall.
Recreational maths with 221485320
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