81423827040
81,423,827,040 is an even composite number composed of five prime numbers multiplied together.
81423827040 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 81423827040:
25 × 3 × 5 × 199 × 852427
(2 × 2 × 2 × 2 × 2 × 3 × 5 × 199 × 852427)See below for interesting mathematical facts about the number 81423827040 from the Numbermatics database.
Names of 81423827040
- Cardinal: 81423827040 can be written as Eighty-one billion, four hundred twenty-three million, eight hundred twenty-seven thousand and forty.
Scientific notation
- Scientific notation: 8.142382704 × 1010
Factors of 81423827040
Divisors of 81423827040
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 199 240 398 480 597 796 995 1194 1592 1990 2388 2985 3184 3980 4776 5970 6368 7960 9552 11940 15920 19104 23880 31840 47760 95520 852427 1704854 2557281 3409708 4262135 5114562 6819416 8524270 10229124 12786405 13638832 17048540 20458248 25572810 27277664 34097080 40916496 51145620 68194160 81832992 102291240 136388320 169632973 204582480 339265946 409164960 508898919 678531892 848164865 1017797838 1357063784 1696329730 2035595676 2544494595 2714127568 3392659460 4071191352 5088989190 5428255136 6785318920 8142382704 10177978380 13570637840 16284765408 20355956760 27141275680 40711913520 81423827040
- Sum of all divisors σ(n): 257774227200
- Sum of proper divisors (its aliquot sum) s(n): 176350400160
- 81423827040 is an abundant number, because the sum of its proper divisors (176350400160) is greater than itself. Its abundance is 94926573120
Bases of 81423827040
- Binary: 10010111101010011110100000000011000002
- Hexadecimal: 0x12F53D0060
- Base-36: 11ELN71C
Squares and roots of 81423827040
- 81423827040 squared (814238270402) is 6629839609839835161600
- 81423827040 cubed (814238270403) is 539826913694539820300228849664000
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The
square root of 81423827040 is 285348.6061644599 -
The
cube root of 81423827040 is 4334.2820605705
Scales and comparisons
How big is 81423827040?- 81,423,827,040 seconds is equal to 2,589 years, 1 week, 2 days, 9 hours, 44 minutes.
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To count from 1 to 81,423,827,040 would take you about five thousand, one 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 81423827040 cubic inches would be around 361.2 feet tall.
Recreational maths with 81423827040
- 81423827040 backwards is 04072832418
- The number of decimal digits it has is: 11
- The sum of 81423827040's digits is 39
- More coming soon!
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