20729758720
20,729,758,720 is an even composite number composed of four prime numbers multiplied together.
20729758720 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred thirty-two divisors.
Prime factorization of 20729758720:
210 × 5 × 112 × 33461
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 11 × 11 × 33461)See below for interesting mathematical facts about the number 20729758720 from the Numbermatics database.
Names of 20729758720
- Cardinal: 20729758720 can be written as Twenty billion, seven hundred twenty-nine million, seven hundred fifty-eight thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.072975872 × 1010
Factors of 20729758720
Divisors of 20729758720
- Number of divisors d(n): 132
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Complete list of divisors:
1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 121 128 160 176 220 242 256 320 352 440 484 512 605 640 704 880 968 1024 1210 1280 1408 1760 1936 2420 2560 2816 3520 3872 4840 5120 5632 7040 7744 9680 11264 14080 15488 19360 28160 30976 33461 38720 56320 61952 66922 77440 123904 133844 154880 167305 267688 309760 334610 368071 535376 619520 669220 736142 1070752 1338440 1472284 1840355 2141504 2676880 2944568 3680710 4048781 4283008 5353760 5889136 7361420 8097562 8566016 10707520 11778272 14722840 16195124 17132032 20243905 21415040 23556544 29445680 32390248 34264064 40487810 42830080 47113088 58891360 64780496 80975620 85660160 94226176 117782720 129560992 161951240 171320320 188452352 235565440 259121984 323902480 376904704 471130880 518243968 647804960 942261760 1036487936 1295609920 1884523520 2072975872 2591219840 4145951744 5182439680 10364879360 20729758720
- Sum of all divisors σ(n): 54660377772
- Sum of proper divisors (its aliquot sum) s(n): 33930619052
- 20729758720 is an abundant number, because the sum of its proper divisors (33930619052) is greater than itself. Its abundance is 13200860332
Bases of 20729758720
- Binary: 100110100111001011100000100000000002
- Hexadecimal: 0x4D3970400
- Base-36: 9ITYO74
Squares and roots of 20729758720
- 20729758720 squared (207297587202) is 429722896589416038400
- 20729758720 cubed (207297587203) is 8908051962758105381730254848000
-
The
square root of 20729758720 is 143978.3272579593 -
The
cube root of 20729758720 is 2747.0385185851
Scales and comparisons
How big is 20729758720?- 20,729,758,720 seconds is equal to 659 years, 7 weeks, 2 days, 18 hours, 18 minutes, 40 seconds.
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To count from 1 to 20,729,758,720 would take you about one thousand, three hundred eighteen 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 20729758720 cubic inches would be around 228.9 feet tall.
Recreational maths with 20729758720
- 20729758720 backwards is 02785792702
- The number of decimal digits it has is: 11
- The sum of 20729758720's digits is 49
- More coming soon!
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The information we have on file for 20729758720 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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