1990729728
1,990,729,728 is an even composite number composed of five prime numbers multiplied together.
1990729728 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred thirty-six divisors.
Prime factorization of 1990729728:
213 × 32 × 13 × 31 × 67
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 13 × 31 × 67)See below for interesting mathematical facts about the number 1990729728 from the Numbermatics database.
Names of 1990729728
- Cardinal: 1990729728 can be written as One billion, nine hundred ninety million, seven hundred twenty-nine thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 1.990729728 × 109
Factors of 1990729728
Divisors of 1990729728
- Number of divisors d(n): 336
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Complete list of divisors:
1 2 3 4 6 8 9 12 13 16 18 24 26 31 32 36 39 48 52 62 64 67 72 78 93 96 104 117 124 128 134 144 156 186 192 201 208 234 248 256 268 279 288 312 372 384 402 403 416 468 496 512 536 558 576 603 624 744 768 804 806 832 871 936 992 1024 1072 1116 1152 1206 1209 1248 1488 1536 1608 1612 1664 1742 1872 1984 2048 2077 2144 2232 2304 2412 2418 2496 2613 2976 3072 3216 3224 3328 3484 3627 3744 3968 4096 4154 4288 4464 4608 4824 4836 4992 5226 5952 6144 6231 6432 6448 6656 6968 7254 7488 7839 7936 8192 8308 8576 8928 9216 9648 9672 9984 10452 11904 12288 12462 12864 12896 13312 13936 14508 14976 15678 15872 16616 17152 17856 18432 18693 19296 19344 19968 20904 23808 24576 24924 25728 25792 26624 27001 27872 29016 29952 31356 31744 33232 34304 35712 36864 37386 38592 38688 39936 41808 47616 49848 51456 51584 53248 54002 55744 58032 59904 62712 63488 66464 68608 71424 73728 74772 77184 77376 79872 81003 83616 95232 99696 102912 103168 106496 108004 111488 116064 119808 125424 126976 132928 137216 142848 149544 154368 154752 159744 162006 167232 190464 199392 205824 206336 216008 222976 232128 239616 243009 250848 253952 265856 274432 285696 299088 308736 309504 319488 324012 334464 380928 398784 411648 412672 432016 445952 464256 479232 486018 501696 531712 548864 571392 598176 617472 619008 648024 668928 761856 797568 823296 825344 864032 891904 928512 958464 972036 1003392 1063424 1142784 1196352 1234944 1238016 1296048 1337856 1595136 1646592 1650688 1728064 1783808 1857024 1944072 2006784 2126848 2285568 2392704 2469888 2476032 2592096 2675712 3190272 3301376 3456128 3567616 3714048 3888144 4013568 4253696 4785408 4939776 4952064 5184192 5351424 6380544 6912256 7135232 7428096 7776288 8027136 8507392 9570816 9904128 10368384 10702848 12761088 13824512 14856192 15552576 16054272 17014784 19141632 20736768 21405696 25522176 27649024 29712384 31105152 32108544 38283264 41473536 51044352 55298048 62210304 64217088 76566528 82947072 110596096 124420608 153133056 165894144 221192192 248841216 331788288 497682432 663576576 995364864 1990729728
- Sum of all divisors σ(n): 6488192256
- Sum of proper divisors (its aliquot sum) s(n): 4497462528
- 1990729728 is an abundant number, because the sum of its proper divisors (4497462528) is greater than itself. Its abundance is 2506732800
Bases of 1990729728
- Binary: 11101101010100000100000000000002
- Hexadecimal: 0x76A82000
- Base-36: WX88W0
Squares and roots of 1990729728
- 1990729728 squared (19907297282) is 3963004849942953984
- 1990729728 cubed (19907297283) is 7889271566989617600084836352
-
The
square root of 1990729728 is 44617.5943771065 -
The
cube root of 1990729728 is 1257.9713993479
Scales and comparisons
How big is 1990729728?- 1,990,729,728 seconds is equal to 63 years, 15 weeks, 3 days, 20 hours, 28 minutes, 48 seconds.
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To count from 1 to 1,990,729,728 would take you about one hundred twenty-six 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 1990729728 cubic inches would be around 104.8 feet tall.
Recreational maths with 1990729728
- 1990729728 backwards is 8279270991
- The number of decimal digits it has is: 10
- The sum of 1990729728's digits is 54
- More coming soon!
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"Number 1990729728 - Facts about the integer". Numbermatics.com. 2024. Web. 9 May 2024.
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Numbermatics. (2024). Number 1990729728 - Facts about the integer. Retrieved 9 May 2024, from https://numbermatics.com/n/1990729728/
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The information we have on file for 1990729728 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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