221022720
221,022,720 is an even composite number composed of five prime numbers multiplied together.
221022720 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 221022720:
29 × 32 × 5 × 53 × 181
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 53 × 181)See below for interesting mathematical facts about the number 221022720 from the Numbermatics database.
Names of 221022720
- Cardinal: 221022720 can be written as Two hundred twenty-one million, twenty-two thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.2102272 × 108
Factors of 221022720
Divisors of 221022720
- Number of divisors d(n): 240
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 53 60 64 72 80 90 96 106 120 128 144 159 160 180 181 192 212 240 256 265 288 318 320 360 362 384 424 477 480 512 530 543 576 636 640 720 724 768 795 848 905 954 960 1060 1086 1152 1272 1280 1440 1448 1536 1590 1629 1696 1810 1908 1920 2120 2172 2304 2385 2544 2560 2715 2880 2896 3180 3258 3392 3620 3816 3840 4240 4344 4608 4770 5088 5430 5760 5792 6360 6516 6784 7240 7632 7680 8145 8480 8688 9540 9593 10176 10860 11520 11584 12720 13032 13568 14480 15264 16290 16960 17376 19080 19186 20352 21720 23040 23168 25440 26064 27136 28779 28960 30528 32580 33920 34752 38160 38372 40704 43440 46336 47965 50880 52128 57558 57920 61056 65160 67840 69504 76320 76744 81408 86337 86880 92672 95930 101760 104256 115116 115840 122112 130320 135680 139008 143895 152640 153488 172674 173760 191860 203520 208512 230232 231680 244224 260640 278016 287790 305280 306976 345348 347520 383720 407040 417024 431685 460464 463360 521280 575580 610560 613952 690696 695040 767440 834048 863370 920928 1042560 1151160 1221120 1227904 1381392 1390080 1534880 1726740 1841856 2085120 2302320 2455808 2762784 3069760 3453480 3683712 4170240 4604640 4911616 5525568 6139520 6906960 7367424 9209280 11051136 12279040 13813920 14734848 18418560 22102272 24558080 27627840 36837120 44204544 55255680 73674240 110511360 221022720
- Sum of all divisors σ(n): 784215432
- Sum of proper divisors (its aliquot sum) s(n): 563192712
- 221022720 is an abundant number, because the sum of its proper divisors (563192712) is greater than itself. Its abundance is 342169992
Bases of 221022720
- Binary: 11010010110010001010000000002
- Hexadecimal: 0xD2C8A00
- Base-36: 3NLA80
Squares and roots of 221022720
- 221022720 squared (2210227202) is 48851042756198400
- 221022720 cubed (2210227203) is 10797190344811267227648000
-
The
square root of 221022720 is 14866.8328839737 -
The
cube root of 221022720 is 604.6150774191
Scales and comparisons
How big is 221022720?- 221,022,720 seconds is equal to 7 years, 1 week, 3 days, 3 hours, 12 minutes.
-
To count from 1 to 221,022,720 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 221022720 cubic inches would be around 50.4 feet tall.
Recreational maths with 221022720
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