1638427968
1,638,427,968 is an even composite number composed of five prime numbers multiplied together.
1638427968 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty-eight divisors.
Prime factorization of 1638427968:
26 × 32 × 43 × 83 × 797
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 43 × 83 × 797)See below for interesting mathematical facts about the number 1638427968 from the Numbermatics database.
Names of 1638427968
- Cardinal: 1638427968 can be written as One billion, six hundred thirty-eight million, four hundred twenty-seven thousand, nine hundred sixty-eight.
Scientific notation
- Scientific notation: 1.638427968 × 109
Factors of 1638427968
Divisors of 1638427968
- Number of divisors d(n): 168
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 32 36 43 48 64 72 83 86 96 129 144 166 172 192 249 258 288 332 344 387 498 516 576 664 688 747 774 797 996 1032 1328 1376 1494 1548 1594 1992 2064 2391 2656 2752 2988 3096 3188 3569 3984 4128 4782 5312 5976 6192 6376 7138 7173 7968 8256 9564 10707 11952 12384 12752 14276 14346 15936 19128 21414 23904 24768 25504 28552 28692 32121 34271 38256 42828 47808 51008 57104 57384 64242 66151 68542 76512 85656 102813 114208 114768 128484 132302 137084 153024 171312 198453 205626 228416 229536 256968 264604 274168 308439 342624 396906 411252 459072 513936 529208 548336 595359 616878 685248 793812 822504 1027872 1058416 1096672 1190718 1233756 1587624 1645008 2055744 2116832 2193344 2381436 2467512 2844493 3175248 3290016 4233664 4762872 4935024 5688986 6350496 6580032 8533479 9525744 9870048 11377972 12700992 17066958 19051488 19740096 22755944 25600437 34133916 38102976 45511888 51200874 68267832 91023776 102401748 136535664 182047552 204803496 273071328 409606992 546142656 819213984 1638427968
- Sum of all divisors σ(n): 4869472608
- Sum of proper divisors (its aliquot sum) s(n): 3231044640
- 1638427968 is an abundant number, because the sum of its proper divisors (3231044640) is greater than itself. Its abundance is 1592616672
Bases of 1638427968
- Binary: 11000011010100001101101010000002
- Hexadecimal: 0x61A86D40
- Base-36: R3H740
Squares and roots of 1638427968
- 1638427968 squared (16384279682) is 2684446206324609024
- 1638427968 cubed (16384279683) is 4398271743033737911586783232
-
The
square root of 1638427968 is 40477.4995275153 -
The
cube root of 1638427968 is 1178.8967875341
Scales and comparisons
How big is 1638427968?- 1,638,427,968 seconds is equal to 52 years, 5 weeks, 6 hours, 52 minutes, 48 seconds.
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To count from 1 to 1,638,427,968 would take you about one hundred 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 1638427968 cubic inches would be around 98.2 feet tall.
Recreational maths with 1638427968
- 1638427968 backwards is 8697248361
- The number of decimal digits it has is: 10
- The sum of 1638427968's digits is 54
- More coming soon!
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The information we have on file for 1638427968 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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