81468636499440
81,468,636,499,440 is an even composite number composed of five prime numbers multiplied together.
81468636499440 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 81468636499440:
24 × 32 × 5 × 31 × 3650028517
(2 × 2 × 2 × 2 × 3 × 3 × 5 × 31 × 3650028517)See below for interesting mathematical facts about the number 81468636499440 from the Numbermatics database.
Names of 81468636499440
- Cardinal: 81468636499440 can be written as Eighty-one trillion, four hundred sixty-eight billion, six hundred thirty-six million, four hundred ninety-nine thousand, four hundred forty.
Scientific notation
- Scientific notation: 8.146863649944 × 1013
Factors of 81468636499440
- Number of distinct prime factors ω(n): 5
- Total number of prime factors Ω(n): 9
- Sum of prime factors: 3650028558
Divisors of 81468636499440
- Number of divisors d(n): 120
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 31 36 40 45 48 60 62 72 80 90 93 120 124 144 155 180 186 240 248 279 310 360 372 465 496 558 620 720 744 930 1116 1240 1395 1488 1860 2232 2480 2790 3720 4464 5580 7440 11160 22320 3650028517 7300057034 10950085551 14600114068 18250142585 21900171102 29200228136 32850256653 36500285170 43800342204 54750427755 58400456272 65700513306 73000570340 87600684408 109500855510 113150884027 131401026612 146001140680 164251283265 175201368816 219001711020 226301768054 262802053224 292002281360 328502566530 339452652081 438003422040 452603536108 525604106448 565754420135 657005133060 678905304162 876006844080 905207072216 1018357956243 1131508840270 1314010266120 1357810608324 1697263260405 1810414144432 2036715912486 2263017680540 2628020532240 2715621216648 3394526520810 4073431824972 4526035361080 5091789781215 5431242433296 6789053041620 8146863649944 9052070722160 10183579562430 13578106083240 16293727299888 20367159124860 27156212166480 40734318249720 81468636499440
- Sum of all divisors σ(n): 282424606608768
- Sum of proper divisors (its aliquot sum) s(n): 200955970109328
- 81468636499440 is an abundant number, because the sum of its proper divisors (200955970109328) is greater than itself. Its abundance is 119487333609888
Bases of 81468636499440
- Binary: 100101000011000011001010010001110001101111100002
- Hexadecimal: 0x4A1865238DF0
- Base-36: SVM6APP80
Squares and roots of 81468636499440
- 81468636499440 squared (814686364994402) is 6637138733077887377120313600
- 81468636499440 cubed (814686364994403) is 540718642841476135224029628513219024384000
-
The
square root of 81468636499440 is 9025997.8118455137 -
The
cube root of 81468636499440 is 43350.7700076905
Scales and comparisons
How big is 81468636499440?- 81,468,636,499,440 seconds is equal to 2,590,450 years, 33 weeks, 2 days, 13 hours, 24 minutes.
-
To count from 1 to 81,468,636,499,440 would take you about six million, four hundred seventy-six thousand, one hundred twenty-six 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 81468636499440 cubic inches would be around 3612.6 feet tall.
Recreational maths with 81468636499440
- 81468636499440 backwards is 04499463686418
- 81468636499440 is a
Harshad number . - The number of decimal digits it has is: 14
- The sum of 81468636499440's digits is 72
- More coming soon!
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