101142990
101,142,990 is an even composite number composed of six prime numbers multiplied together.
101142990 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 101142990:
2 × 32 × 5 × 13 × 137 × 631
(2 × 3 × 3 × 5 × 13 × 137 × 631)See below for interesting mathematical facts about the number 101142990 from the Numbermatics database.
Names of 101142990
- Cardinal: 101142990 can be written as One hundred one million, one hundred forty-two thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 1.0114299 × 108
Factors of 101142990
Divisors of 101142990
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 5 6 9 10 13 15 18 26 30 39 45 65 78 90 117 130 137 195 234 274 390 411 585 631 685 822 1170 1233 1262 1370 1781 1893 2055 2466 3155 3562 3786 4110 5343 5679 6165 6310 8203 8905 9465 10686 11358 12330 16029 16406 17810 18930 24609 26715 28395 32058 41015 49218 53430 56790 73827 80145 82030 86447 123045 147654 160290 172894 246090 259341 369135 432235 518682 738270 778023 864470 1123811 1296705 1556046 2247622 2593410 3371433 3890115 5619055 6742866 7780230 10114299 11238110 16857165 20228598 33714330 50571495 101142990
- Sum of all divisors σ(n): 285719616
- Sum of proper divisors (its aliquot sum) s(n): 184576626
- 101142990 is an abundant number, because the sum of its proper divisors (184576626) is greater than itself. Its abundance is 83433636
Bases of 101142990
- Binary: 1100000011101010001110011102
- Hexadecimal: 0x60751CE
- Base-36: 1O7UFI
Squares and roots of 101142990
- 101142990 squared (1011429902) is 10229904426140100
- 101142990 cubed (1011429903) is 1034683121074043872899000
-
The
square root of 101142990 is 10056.9871233883 -
The
cube root of 101142990 is 465.9206180365
Scales and comparisons
How big is 101142990?- 101,142,990 seconds is equal to 3 years, 11 weeks, 1 day, 15 hours, 16 minutes, 30 seconds.
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To count from 1 to 101,142,990 would take you about four 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 101142990 cubic inches would be around 38.8 feet tall.
Recreational maths with 101142990
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