38969985920
38,969,985,920 is an even composite number composed of four prime numbers multiplied together.
38969985920 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 38969985920:
27 × 5 × 31 × 1964213
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 31 × 1964213)See below for interesting mathematical facts about the number 38969985920 from the Numbermatics database.
Names of 38969985920
- Cardinal: 38969985920 can be written as Thirty-eight billion, nine hundred sixty-nine million, nine hundred eighty-five thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 3.896998592 × 1010
Factors of 38969985920
Divisors of 38969985920
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 4 5 8 10 16 20 31 32 40 62 64 80 124 128 155 160 248 310 320 496 620 640 992 1240 1984 2480 3968 4960 9920 19840 1964213 3928426 7856852 9821065 15713704 19642130 31427408 39284260 60890603 62854816 78568520 121781206 125709632 157137040 243562412 251419264 304453015 314274080 487124824 608906030 628548160 974249648 1217812060 1257096320 1948499296 2435624120 3896998592 4871248240 7793997184 9742496480 19484992960 38969985920
- Sum of all divisors σ(n): 96167917440
- Sum of proper divisors (its aliquot sum) s(n): 57197931520
- 38969985920 is an abundant number, because the sum of its proper divisors (57197931520) is greater than itself. Its abundance is 18227945600
Bases of 38969985920
- Binary: 1001000100101100101011001011100000002
- Hexadecimal: 0x912CACB80
- Base-36: HWHQ1KW
Squares and roots of 38969985920
- 38969985920 squared (389699859202) is 1518659802604998246400
- 38969985920 cubed (389699859203) is 59182151124786760983832690688000
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The
square root of 38969985920 is 197408.1708541975 -
The
cube root of 38969985920 is 3390.3412702497
Scales and comparisons
How big is 38969985920?- 38,969,985,920 seconds is equal to 1,239 years, 6 weeks, 3 days, 12 hours, 5 minutes, 20 seconds.
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To count from 1 to 38,969,985,920 would take you about two thousand, four hundred seventy-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 38969985920 cubic inches would be around 282.5 feet tall.
Recreational maths with 38969985920
- 38969985920 backwards is 02958996983
- The number of decimal digits it has is: 11
- The sum of 38969985920's digits is 68
- More coming soon!
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