81361436421960
81,361,436,421,960 is an even composite number composed of five prime numbers multiplied together.
81361436421960 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 81361436421960:
23 × 32 × 5 × 107 × 2112186823
(2 × 2 × 2 × 3 × 3 × 5 × 107 × 2112186823)See below for interesting mathematical facts about the number 81361436421960 from the Numbermatics database.
Names of 81361436421960
- Cardinal: 81361436421960 can be written as Eighty-one trillion, three hundred sixty-one billion, four hundred thirty-six million, four hundred twenty-one thousand, nine hundred sixty.
Scientific notation
- Scientific notation: 8.136143642196 × 1013
Factors of 81361436421960
- Number of distinct prime factors ω(n): 5
- Total number of prime factors Ω(n): 8
- Sum of prime factors: 2112186940
Divisors of 81361436421960
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 107 120 180 214 321 360 428 535 642 856 963 1070 1284 1605 1926 2140 2568 3210 3852 4280 4815 6420 7704 9630 12840 19260 38520 2112186823 4224373646 6336560469 8448747292 10560934115 12673120938 16897494584 19009681407 21121868230 25346241876 31682802345 38019362814 42243736460 50692483752 63365604690 76038725628 84487472920 95048407035 126731209380 152077451256 190096814070 226003990061 253462418760 380193628140 452007980122 678011970183 760387256280 904015960244 1130019950305 1356023940366 1808031920488 2034035910549 2260039900610 2712047880732 3390059850915 4068071821098 4520079801220 5424095761464 6780119701830 8136143642196 9040159602440 10170179552745 13560239403660 16272287284392 20340359105490 27120478807320 40680718210980 81361436421960
- Sum of all divisors σ(n): 266895927080640
- Sum of proper divisors (its aliquot sum) s(n): 185534490658680
- 81361436421960 is an abundant number, because the sum of its proper divisors (185534490658680) is greater than itself. Its abundance is 104173054236720
Bases of 81361436421960
- Binary: 100100111111111011011111000010000101111010010002
- Hexadecimal: 0x49FF6F842F48
- Base-36: SU8XEK020
Squares and roots of 81361436421960
- 81361436421960 squared (813614364219602) is 6619683336644639247170241600
- 81361436421960 cubed (813614364219603) is 538586944927920851582301769778892745536000
-
The
square root of 81361436421960 is 9020057.4511451977 -
The
cube root of 81361436421960 is 43331.7473672871
Scales and comparisons
How big is 81361436421960?- 81,361,436,421,960 seconds is equal to 2,587,042 years, 3 days, 22 hours, 6 minutes.
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To count from 1 to 81,361,436,421,960 would take you about six million, four hundred sixty-seven thousand, six hundred five 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 81361436421960 cubic inches would be around 3611 feet tall.
Recreational maths with 81361436421960
- 81361436421960 backwards is 06912463416318
- The number of decimal digits it has is: 14
- The sum of 81361436421960's digits is 54
- More coming soon!
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