394097220
394,097,220 is an even composite number composed of five prime numbers multiplied together.
394097220 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 394097220:
22 × 32 × 5 × 11 × 199039
(2 × 2 × 3 × 3 × 5 × 11 × 199039)See below for interesting mathematical facts about the number 394097220 from the Numbermatics database.
Names of 394097220
- Cardinal: 394097220 can be written as Three hundred ninety-four million, ninety-seven thousand, two hundred twenty.
Scientific notation
- Scientific notation: 3.9409722 × 108
Factors of 394097220
Divisors of 394097220
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 60 66 90 99 110 132 165 180 198 220 330 396 495 660 990 1980 199039 398078 597117 796156 995195 1194234 1791351 1990390 2189429 2388468 2985585 3582702 3980780 4378858 5971170 6568287 7165404 8757716 8956755 10947145 11942340 13136574 17913510 19704861 21894290 26273148 32841435 35827020 39409722 43788580 65682870 78819444 98524305 131365740 197048610 394097220
- Sum of all divisors σ(n): 1304110080
- Sum of proper divisors (its aliquot sum) s(n): 910012860
- 394097220 is an abundant number, because the sum of its proper divisors (910012860) is greater than itself. Its abundance is 515915640
Bases of 394097220
- Binary: 101110111110101110010010001002
- Hexadecimal: 0x177D7244
- Base-36: 6IMVD0
Squares and roots of 394097220
- 394097220 squared (3940972202) is 155312618811728400
- 394097220 cubed (3940972203) is 61208271304621865835048000
-
The
square root of 394097220 is 19851.8820266493 -
The
cube root of 394097220 is 733.1639861485
Scales and comparisons
How big is 394097220?- 394,097,220 seconds is equal to 12 years, 27 weeks, 4 days, 7 hours, 27 minutes.
-
To count from 1 to 394,097,220 would take you about eighteen 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 394097220 cubic inches would be around 61.1 feet tall.
Recreational maths with 394097220
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