221385600
221,385,600 is an even composite number composed of four prime numbers multiplied together.
221385600 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 221385600:
27 × 32 × 52 × 7687
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 5 × 7687)See below for interesting mathematical facts about the number 221385600 from the Numbermatics database.
Names of 221385600
- Cardinal: 221385600 can be written as Two hundred twenty-one million, three hundred eighty-five thousand, six hundred.
Scientific notation
- Scientific notation: 2.213856 × 108
Factors of 221385600
Divisors of 221385600
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 60 64 72 75 80 90 96 100 120 128 144 150 160 180 192 200 225 240 288 300 320 360 384 400 450 480 576 600 640 720 800 900 960 1152 1200 1440 1600 1800 1920 2400 2880 3200 3600 4800 5760 7200 7687 9600 14400 15374 23061 28800 30748 38435 46122 61496 69183 76870 92244 115305 122992 138366 153740 184488 192175 230610 245984 276732 307480 345915 368976 384350 461220 491968 553464 576525 614960 691830 737952 768700 922440 983936 1106928 1153050 1229920 1383660 1475904 1537400 1729575 1844880 2213856 2306100 2459840 2767320 2951808 3074800 3459150 3689760 4427712 4612200 4919680 5534640 6149600 6918300 7379520 8855424 9224400 11069280 12299200 13836600 14759040 18448800 22138560 24598400 27673200 36897600 44277120 55346400 73795200 110692800 221385600
- Sum of all divisors σ(n): 790057320
- Sum of proper divisors (its aliquot sum) s(n): 568671720
- 221385600 is an abundant number, because the sum of its proper divisors (568671720) is greater than itself. Its abundance is 347286120
Bases of 221385600
- Binary: 11010011001000010011100000002
- Hexadecimal: 0xD321380
- Base-36: 3NT280
Squares and roots of 221385600
- 221385600 squared (2213856002) is 49011583887360000
- 221385600 cubed (2213856003) is 10850458905853526016000000
-
The
square root of 221385600 is 14879.0322265933 -
The
cube root of 221385600 is 604.9457866409
Scales and comparisons
How big is 221385600?- 221,385,600 seconds is equal to 7 years, 2 weeks, 8 hours.
-
To count from 1 to 221,385,600 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 221385600 cubic inches would be around 50.4 feet tall.
Recreational maths with 221385600
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