1990138388
1,990,138,388 is an even composite number composed of five prime numbers multiplied together.
1990138388 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 1990138388:
22 × 7 × 174 × 23 × 37
(2 × 2 × 7 × 17 × 17 × 17 × 17 × 23 × 37)See below for interesting mathematical facts about the number 1990138388 from the Numbermatics database.
Names of 1990138388
- Cardinal: 1990138388 can be written as One billion, nine hundred ninety million, one hundred thirty-eight thousand, three hundred eighty-eight.
Scientific notation
- Scientific notation: 1.990138388 × 109
Factors of 1990138388
Divisors of 1990138388
- Number of divisors d(n): 120
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Complete list of divisors:
1 2 4 7 14 17 23 28 34 37 46 68 74 92 119 148 161 238 259 289 322 391 476 518 578 629 644 782 851 1036 1156 1258 1564 1702 2023 2516 2737 3404 4046 4403 4913 5474 5957 6647 8092 8806 9826 10693 10948 11914 13294 14467 17612 19652 21386 23828 26588 28934 34391 42772 46529 57868 68782 74851 83521 93058 101269 112999 137564 149702 167042 181781 186116 202538 225998 245939 299404 334084 363562 405076 451996 491878 584647 727124 790993 983756 1169294 1272467 1581986 1721573 1920983 2338588 2544934 3090277 3163972 3443146 3841966 4180963 5089868 6180554 6886292 7683932 8361926 12361108 13446881 16723852 21631939 26893762 29266741 43263878 53787524 58533482 71076371 86527756 117066964 142152742 284305484 497534597 995069194 1990138388
- Sum of all divisors σ(n): 4532180352
- Sum of proper divisors (its aliquot sum) s(n): 2542041964
- 1990138388 is an abundant number, because the sum of its proper divisors (2542041964) is greater than itself. Its abundance is 551903576
Bases of 1990138388
- Binary: 11101101001111100011010000101002
- Hexadecimal: 0x769F1A14
- Base-36: WWVKLW
Squares and roots of 1990138388
- 1990138388 squared (19901383882) is 3960650803391238544
- 1990138388 cubed (19901383883) is 7882243205291944409279627072
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The
square root of 1990138388 is 44610.9671269297 -
The
cube root of 1990138388 is 1257.8468281977
Scales and comparisons
How big is 1990138388?- 1,990,138,388 seconds is equal to 63 years, 14 weeks, 4 days, 13 minutes, 8 seconds.
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To count from 1 to 1,990,138,388 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 1990138388 cubic inches would be around 104.8 feet tall.
Recreational maths with 1990138388
- 1990138388 backwards is 8838310991
- The number of decimal digits it has is: 10
- The sum of 1990138388's digits is 50
- More coming soon!
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The information we have on file for 1990138388 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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