421449990
421,449,990 is an even composite number composed of six prime numbers multiplied together.
421449990 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 421449990:
2 × 3 × 5 × 13 × 79 × 13679
See below for interesting mathematical facts about the number 421449990 from the Numbermatics database.
Names of 421449990
- Cardinal: 421449990 can be written as Four hundred twenty-one million, four hundred forty-nine thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 4.2144999 × 108
Factors of 421449990
Divisors of 421449990
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 3 5 6 10 13 15 26 30 39 65 78 79 130 158 195 237 390 395 474 790 1027 1185 2054 2370 3081 5135 6162 10270 13679 15405 27358 30810 41037 68395 82074 136790 177827 205185 355654 410370 533481 889135 1066962 1080641 1778270 2161282 2667405 3241923 5334810 5403205 6483846 10806410 14048333 16209615 28096666 32419230 42144999 70241665 84289998 140483330 210724995 421449990
- Sum of all divisors σ(n): 1103155200
- Sum of proper divisors (its aliquot sum) s(n): 681705210
- 421449990 is an abundant number, because the sum of its proper divisors (681705210) is greater than itself. Its abundance is 260255220
Bases of 421449990
- Binary: 110010001111011010001000001102
- Hexadecimal: 0x191ED106
- Base-36: 6YX4W6
Squares and roots of 421449990
- 421449990 squared (4214499902) is 177620094071000100
- 421449990 cubed (4214499903) is 74857986870022051434999000
-
The
square root of 421449990 is 20529.2471854181 -
The
cube root of 421449990 is 749.7480575983
Scales and comparisons
How big is 421449990?- 421,449,990 seconds is equal to 13 years, 20 weeks, 5 days, 21 hours, 26 minutes, 30 seconds.
-
To count from 1 to 421,449,990 would take you about twenty 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 421449990 cubic inches would be around 62.5 feet tall.
Recreational maths with 421449990
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