221205040
221,205,040 is an even composite number composed of six prime numbers multiplied together.
221205040 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 221205040:
24 × 5 × 7 × 29 × 53 × 257
(2 × 2 × 2 × 2 × 5 × 7 × 29 × 53 × 257)See below for interesting mathematical facts about the number 221205040 from the Numbermatics database.
Names of 221205040
- Cardinal: 221205040 can be written as Two hundred twenty-one million, two hundred five thousand and forty.
Scientific notation
- Scientific notation: 2.2120504 × 108
Factors of 221205040
Divisors of 221205040
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 29 35 40 53 56 58 70 80 106 112 116 140 145 203 212 232 257 265 280 290 371 406 424 464 514 530 560 580 742 812 848 1015 1028 1060 1160 1285 1484 1537 1624 1799 1855 2030 2056 2120 2320 2570 2968 3074 3248 3598 3710 4060 4112 4240 5140 5936 6148 7196 7420 7453 7685 8120 8995 10280 10759 12296 13621 14392 14840 14906 15370 16240 17990 20560 21518 24592 27242 28784 29680 29812 30740 35980 37265 43036 52171 53795 54484 59624 61480 68105 71960 74530 86072 95347 104342 107590 108968 119248 122960 136210 143920 149060 172144 190694 208684 215180 217936 260855 272420 298120 381388 395009 417368 430360 476735 521710 544840 596240 762776 790018 834736 860720 953470 1043420 1089680 1525552 1580036 1906940 1975045 2086840 2765063 3160072 3813880 3950090 4173680 5530126 6320144 7627760 7900180 11060252 13825315 15800360 22120504 27650630 31600720 44241008 55301260 110602520 221205040
- Sum of all divisors σ(n): 621924480
- Sum of proper divisors (its aliquot sum) s(n): 400719440
- 221205040 is an abundant number, because the sum of its proper divisors (400719440) is greater than itself. Its abundance is 179514400
Bases of 221205040
- Binary: 11010010111101010010001100002
- Hexadecimal: 0xD2F5230
- Base-36: 3NP6WG
Squares and roots of 221205040
- 221205040 squared (2212050402) is 48931669721401600
- 221205040 cubed (2212050403) is 10823931957989429784064000
-
The
square root of 221205040 is 14872.9633899905 -
The
cube root of 221205040 is 604.7812792233
Scales and comparisons
How big is 221205040?- 221,205,040 seconds is equal to 7 years, 1 week, 5 days, 5 hours, 50 minutes, 40 seconds.
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To count from 1 to 221,205,040 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 221205040 cubic inches would be around 50.4 feet tall.
Recreational maths with 221205040
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