81373360000
81,373,360,000 is an even composite number composed of four prime numbers multiplied together.
81373360000 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 81373360000:
27 × 54 × 372 × 743
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 5 × 37 × 37 × 743)See below for interesting mathematical facts about the number 81373360000 from the Numbermatics database.
Names of 81373360000
- Cardinal: 81373360000 can be written as Eighty-one billion, three hundred seventy-three million, three hundred sixty thousand.
Scientific notation
- Scientific notation: 8.137336 × 1010
Factors of 81373360000
Divisors of 81373360000
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 4 5 8 10 16 20 25 32 37 40 50 64 74 80 100 125 128 148 160 185 200 250 296 320 370 400 500 592 625 640 740 743 800 925 1000 1184 1250 1369 1480 1486 1600 1850 2000 2368 2500 2738 2960 2972 3200 3700 3715 4000 4625 4736 5000 5476 5920 5944 6845 7400 7430 8000 9250 10000 10952 11840 11888 13690 14800 14860 16000 18500 18575 20000 21904 23125 23680 23776 27380 27491 29600 29720 34225 37000 37150 40000 43808 46250 47552 54760 54982 59200 59440 68450 74000 74300 80000 87616 92500 92875 95104 109520 109964 118400 118880 136900 137455 148000 148600 171125 175232 185000 185750 219040 219928 237760 273800 274910 296000 297200 342250 370000 371500 438080 439856 464375 475520 547600 549820 592000 594400 684500 687275 740000 743000 855625 876160 879712 928750 1017167 1095200 1099640 1188800 1369000 1374550 1480000 1486000 1711250 1759424 1857500 2034334 2190400 2199280 2377600 2738000 2749100 2960000 2972000 3422500 3436375 3518848 3715000 4068668 4380800 4398560 5085835 5476000 5498200 5944000 6845000 6872750 7430000 8137336 8797120 10171670 10952000 10996400 11888000 13690000 13745500 14860000 16274672 17181875 17594240 20343340 21904000 21992800 25429175 27380000 27491000 29720000 32549344 34363750 40686680 43985600 50858350 54760000 54982000 59440000 65098688 68727500 81373360 87971200 101716700 109520000 109964000 127145875 130197376 137455000 162746720 203433400 219928000 254291750 274910000 325493440 406866800 439856000 508583500 549820000 635729375 650986880 813733600 1017167000 1099640000 1271458750 1627467200 2034334000 2199280000 2542917500 3254934400 4068668000 5085835000 8137336000 10171670000 16274672000 20343340000 40686680000 81373360000
- Sum of all divisors σ(n): 208477047240
- Sum of proper divisors (its aliquot sum) s(n): 127103687240
- 81373360000 is an abundant number, because the sum of its proper divisors (127103687240) is greater than itself. Its abundance is 45730327240
Bases of 81373360000
- Binary: 10010111100100011101011101111100000002
- Hexadecimal: 0x12F23AEF80
- Base-36: 11DRLIF4
Squares and roots of 81373360000
- 81373360000 squared (813733600002) is 6621623717689600000000
- 81373360000 cubed (813733600003) is 538823770564094189056000000000000
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The
square root of 81373360000 is 285260.1619574665 -
The
cube root of 81373360000 is 4333.3864030319
Scales and comparisons
How big is 81373360000?- 81,373,360,000 seconds is equal to 2,587 years, 21 weeks, 6 days, 7 hours, 6 minutes, 40 seconds.
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To count from 1 to 81,373,360,000 would take you about five thousand, one hundred seventy-four 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 81373360000 cubic inches would be around 361.1 feet tall.
Recreational maths with 81373360000
- 81373360000 backwards is 00006337318
- The number of decimal digits it has is: 11
- The sum of 81373360000's digits is 31
- More coming soon!
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