642104008
642,104,008 is an even composite number composed of five prime numbers multiplied together.
642104008 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 642104008:
23 × 7 × 133 × 17 × 307
(2 × 2 × 2 × 7 × 13 × 13 × 13 × 17 × 307)See below for interesting mathematical facts about the number 642104008 from the Numbermatics database.
Names of 642104008
- Cardinal: 642104008 can be written as Six hundred forty-two million, one hundred four thousand and eight.
Scientific notation
- Scientific notation: 6.42104008 × 108
Factors of 642104008
Divisors of 642104008
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 4 7 8 13 14 17 26 28 34 52 56 68 91 104 119 136 169 182 221 238 307 338 364 442 476 614 676 728 884 952 1183 1228 1352 1547 1768 2149 2197 2366 2456 2873 3094 3991 4298 4394 4732 5219 5746 6188 7982 8596 8788 9464 10438 11492 12376 15379 15964 17192 17576 20111 20876 22984 27937 30758 31928 36533 37349 40222 41752 51883 55874 61516 67847 73066 74698 80444 103766 111748 123032 135694 146132 149396 160888 207532 223496 261443 271388 292264 298792 363181 415064 474929 522886 542776 674479 726362 882011 949858 1045772 1348958 1452724 1764022 1899716 2091544 2697916 2905448 3528044 3799432 4721353 5395832 6174077 7056088 9442706 11466143 12348154 18885412 22932286 24696308 37770824 45864572 49392616 80263001 91729144 160526002 321052004 642104008
- Sum of all divisors σ(n): 1583366400
- Sum of proper divisors (its aliquot sum) s(n): 941262392
- 642104008 is an abundant number, because the sum of its proper divisors (941262392) is greater than itself. Its abundance is 299158384
Bases of 642104008
- Binary: 1001100100010110111010110010002
- Hexadecimal: 0x2645BAC8
- Base-36: AMAIMG
Squares and roots of 642104008
- 642104008 squared (6421040082) is 412297557089664064
- 642104008 cubed (6421040083) is 264737913895882110867968512
-
The
square root of 642104008 is 25339.7712696859 -
The
cube root of 642104008 is 862.7172071589
Scales and comparisons
How big is 642104008?- 642,104,008 seconds is equal to 20 years, 21 weeks, 4 days, 18 hours, 13 minutes, 28 seconds.
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To count from 1 to 642,104,008 would take you about thirty 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 642104008 cubic inches would be around 71.9 feet tall.
Recreational maths with 642104008
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