21520720060920
21,520,720,060,920 is an even composite number composed of four prime numbers multiplied together.
21520720060920 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 21520720060920:
23 × 33 × 5 × 19926592649
(2 × 2 × 2 × 3 × 3 × 3 × 5 × 19926592649)See below for interesting mathematical facts about the number 21520720060920 from the Numbermatics database.
Names of 21520720060920
- Cardinal: 21520720060920 can be written as Twenty-one trillion, five hundred twenty billion, seven hundred twenty million, sixty thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 2.152072006092 × 1013
Factors of 21520720060920
- Number of distinct prime factors ω(n): 4
- Total number of prime factors Ω(n): 8
- Sum of prime factors: 19926592659
Divisors of 21520720060920
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 90 108 120 135 180 216 270 360 540 1080 19926592649 39853185298 59779777947 79706370596 99632963245 119559555894 159412741192 179339333841 199265926490 239119111788 298898889735 358678667682 398531852980 478238223576 538018001523 597797779470 717357335364 797063705960 896696669205 1076036003046 1195595558940 1434714670728 1793393338410 2152072006092 2391191117880 2690090007615 3586786676820 4304144012184 5380180015230 7173573353640 10760360030460 21520720060920
- Sum of all divisors σ(n): 71735733540000
- Sum of proper divisors (its aliquot sum) s(n): 50215013479080
- 21520720060920 is an abundant number, because the sum of its proper divisors (50215013479080) is greater than itself. Its abundance is 28694293418160
Bases of 21520720060920
- Binary: 1001110010010101011101101111111100001111110002
- Hexadecimal: 0x1392AEDFE1F8
- Base-36: 7MMHD2Q60
Squares and roots of 21520720060920
- 21520720060920 squared (215207200609202) is 463141391940484528511246400
- 21520720060920 cubed (215207200609203) is 9967136244575997799436868102313130688000
-
The
square root of 21520720060920 is 4639043.0113246417 -
The
cube root of 21520720060920 is 27815.4185559827
Scales and comparisons
How big is 21520720060920?- 21,520,720,060,920 seconds is equal to 684,292 years, 17 weeks, 1 day, 2 hours, 42 minutes.
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To count from 1 to 21,520,720,060,920 would take you about one million, seven hundred ten thousand, seven hundred thirty 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 21520720060920 cubic inches would be around 2318 feet tall.
Recreational maths with 21520720060920
- 21520720060920 backwards is 02906002702512
- 21520720060920 is a
Harshad number . - The number of decimal digits it has is: 14
- The sum of 21520720060920's digits is 36
- More coming soon!
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