81359028000
81,359,028,000 is an even composite number composed of five prime numbers multiplied together.
81359028000 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 81359028000:
25 × 32 × 53 × 53 × 42641
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 5 × 5 × 53 × 42641)See below for interesting mathematical facts about the number 81359028000 from the Numbermatics database.
Names of 81359028000
- Cardinal: 81359028000 can be written as Eighty-one billion, three hundred fifty-nine million, twenty-eight thousand.
Scientific notation
- Scientific notation: 8.1359028 × 1010
Factors of 81359028000
Divisors of 81359028000
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 53 60 72 75 80 90 96 100 106 120 125 144 150 159 160 180 200 212 225 240 250 265 288 300 318 360 375 400 424 450 477 480 500 530 600 636 720 750 795 800 848 900 954 1000 1060 1125 1200 1272 1325 1440 1500 1590 1696 1800 1908 2000 2120 2250 2385 2400 2544 2650 3000 3180 3600 3816 3975 4000 4240 4500 4770 5088 5300 6000 6360 6625 7200 7632 7950 8480 9000 9540 10600 11925 12000 12720 13250 15264 15900 18000 19080 19875 21200 23850 25440 26500 31800 36000 38160 39750 42400 42641 47700 53000 59625 63600 76320 79500 85282 95400 106000 119250 127200 127923 159000 170564 190800 212000 213205 238500 255846 318000 341128 381600 383769 426410 477000 511692 636000 639615 682256 767538 852820 954000 1023384 1066025 1279230 1364512 1535076 1705640 1908000 1918845 2046768 2132050 2259973 2558460 3070152 3198075 3411280 3837690 4093536 4264100 4519946 5116920 5330125 6140304 6396150 6779919 6822560 7675380 8528200 9039892 9594225 10233840 10660250 11299865 12280608 12792300 13559838 15350760 15990375 17056400 18079784 19188450 20339757 20467680 21320500 22599730 25584600 27119676 30701520 31980750 33899595 34112800 36159568 38376900 40679514 42641000 45199460 47971125 51169200 54239352 56499325 61403040 63961500 67799190 72319136 76753800 81359028 85282000 90398920 95942250 101698785 102338400 108478704 112998650 127923000 135598380 153507600 162718056 169497975 170564000 180797840 191884500 203397570 216957408 225997300 255846000 271196760 282496625 307015200 325436112 338995950 361595680 383769000 406795140 451994600 508493925 511692000 542393520 564993250 650872224 677991900 767538000 813590280 847489875 903989200 1016987850 1084787040 1129986500 1355983800 1535076000 1627180560 1694979750 1807978400 2033975700 2259973000 2542469625 2711967600 3254361120 3389959500 4067951400 4519946000 5084939250 5423935200 6779919000 8135902800 9039892000 10169878500 13559838000 16271805600 20339757000 27119676000 40679514000 81359028000
- Sum of all divisors σ(n): 294198074352
- Sum of proper divisors (its aliquot sum) s(n): 212839046352
- 81359028000 is an abundant number, because the sum of its proper divisors (212839046352) is greater than itself. Its abundance is 131480018352
Bases of 81359028000
- Binary: 10010111100010110000000111111001000002
- Hexadecimal: 0x12F1603F20
- Base-36: 11DJ2BS0
Squares and roots of 81359028000
- 81359028000 squared (813590280002) is 6619291437104784000000
- 81359028000 cubed (813590280003) is 538539117371568360389952000000000
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The
square root of 81359028000 is 285235.0399232185 -
The
cube root of 81359028000 is 4333.1319801247
Scales and comparisons
How big is 81359028000?- 81,359,028,000 seconds is equal to 2,586 years, 50 weeks, 1 day, 10 hours.
-
To count from 1 to 81,359,028,000 would take you about five thousand, one hundred seventy-three 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 81359028000 cubic inches would be around 361.1 feet tall.
Recreational maths with 81359028000
- 81359028000 backwards is 00082095318
- 81359028000 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 81359028000's digits is 36
- More coming soon!
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