138829400920
138,829,400,920 is an even composite number composed of four prime numbers multiplied together.
What does the number 138829400920 look like?
This visualization shows the relationship between its 4 prime factors (large circles) and 96 divisors.
138829400920 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 138829400920:
23 × 5 × 73 × 31812
(2 × 2 × 2 × 5 × 7 × 7 × 7 × 3181 × 3181)See below for interesting mathematical facts about the number 138829400920 from the Numbermatics database.
Names of 138829400920
- Cardinal: 138829400920 can be written as One hundred thirty-eight billion, eight hundred twenty-nine million, four hundred thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.3882940092 × 1011
Factors of 138829400920
Divisors of 138829400920
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 4 5 7 8 10 14 20 28 35 40 49 56 70 98 140 196 245 280 343 392 490 686 980 1372 1715 1960 2744 3181 3430 6362 6860 12724 13720 15905 22267 25448 31810 44534 63620 89068 111335 127240 155869 178136 222670 311738 445340 623476 779345 890680 1091083 1246952 1558690 2182166 3117380 4364332 5455415 6234760 8728664 10118761 10910830 20237522 21821660 40475044 43643320 50593805 70831327 80950088 101187610 141662654 202375220 283325308 354156635 404750440 495819289 566650616 708313270 991638578 1416626540 1983277156 2479096445 2833253080 3470735023 3966554312 4958192890 6941470046 9916385780 13882940092 17353675115 19832771560 27765880184 34707350230 69414700460 138829400920
- Sum of all divisors σ(n): 364389948000
- Sum of proper divisors (its aliquot sum) s(n): 225560547080
- 138829400920 is an abundant number, because the sum of its proper divisors (225560547080) is greater than itself. Its abundance is 86731146160
Bases of 138829400920
- Binary: 100000010100101110000010001011010110002
- Hexadecimal: 0x2052E08B58
- Base-36: 1RRZFVBS
Squares and roots of 138829400920
- 138829400920 squared (1388294009202) is 19273602559806096846400
- 138829400920 cubed (1388294009203) is 2675742696948058896549213258688000
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The
square root of 138829400920 is 372598.1762166853 -
The
cube root of 138829400920 is 5177.9813658677
Scales and comparisons
How big is 138829400920?- 138,829,400,920 seconds is equal to 4,414 years, 17 weeks, 6 days, 18 hours, 28 minutes, 40 seconds.
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To count from 1 to 138,829,400,920 would take you about eight thousand, eight hundred twenty-eight 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 138829400920 cubic inches would be around 431.5 feet tall.
Recreational maths with 138829400920
- 138829400920 backwards is 029004928831
- The number of decimal digits it has is: 12
- The sum of 138829400920's digits is 46
- More coming soon!
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