221828220
221,828,220 is an even composite number composed of five prime numbers multiplied together.
221828220 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 221828220:
22 × 34 × 5 × 149 × 919
(2 × 2 × 3 × 3 × 3 × 3 × 5 × 149 × 919)See below for interesting mathematical facts about the number 221828220 from the Numbermatics database.
Names of 221828220
- Cardinal: 221828220 can be written as Two hundred twenty-one million, eight hundred twenty-eight thousand, two hundred twenty.
Scientific notation
- Scientific notation: 2.2182822 × 108
Factors of 221828220
Divisors of 221828220
- Number of divisors d(n): 120
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 149 162 180 270 298 324 405 447 540 596 745 810 894 919 1341 1490 1620 1788 1838 2235 2682 2757 2980 3676 4023 4470 4595 5364 5514 6705 8046 8271 8940 9190 11028 12069 13410 13785 16092 16542 18380 20115 24138 24813 26820 27570 33084 40230 41355 48276 49626 55140 60345 74439 80460 82710 99252 120690 124065 136931 148878 165420 241380 248130 273862 297756 372195 410793 496260 547724 684655 744390 821586 1232379 1369310 1488780 1643172 2053965 2464758 2738620 3697137 4107930 4929516 6161895 7394274 8215860 11091411 12323790 14788548 18485685 22182822 24647580 36971370 44365644 55457055 73942740 110914110 221828220
- Sum of all divisors σ(n): 701316000
- Sum of proper divisors (its aliquot sum) s(n): 479487780
- 221828220 is an abundant number, because the sum of its proper divisors (479487780) is greater than itself. Its abundance is 257659560
Bases of 221828220
- Binary: 11010011100011010100011111002
- Hexadecimal: 0xD38D47C
- Base-36: 3O2JR0
Squares and roots of 221828220
- 221828220 squared (2218282202) is 49207759188368400
- 221828220 cubed (2218282203) is 10915669630944406876248000
-
The
square root of 221828220 is 14893.8987508309 -
The
cube root of 221828220 is 605.3486777287
Scales and comparisons
How big is 221828220?- 221,828,220 seconds is equal to 7 years, 2 weeks, 5 days, 10 hours, 57 minutes.
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To count from 1 to 221,828,220 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 221828220 cubic inches would be around 50.4 feet tall.
Recreational maths with 221828220
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