81328682764427040
81,328,682,764,427,040 is an even composite number composed of four prime numbers multiplied together.
81328682764427040 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 81328682764427040:
25 × 33 × 5 × 18826083973247
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 18826083973247)See below for interesting mathematical facts about the number 81328682764427040 from the Numbermatics database.
Names of 81328682764427040
- Cardinal: 81328682764427040 can be written as Eighty-one quadrillion, three hundred twenty-eight trillion, six hundred eighty-two billion, seven hundred sixty-four million, four hundred twenty-seven thousand and forty.
Scientific notation
- Scientific notation: 8.132868276442704 × 1016
Factors of 81328682764427040
- Number of distinct prime factors ω(n): 4
- Total number of prime factors Ω(n): 10
- Sum of prime factors: 18826083973257
Divisors of 81328682764427040
- 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 16 18 20 24 27 30 32 36 40 45 48 54 60 72 80 90 96 108 120 135 144 160 180 216 240 270 288 360 432 480 540 720 864 1080 1440 2160 4320 18826083973247 37652167946494 56478251919741 75304335892988 94130419866235 112956503839482 150608671785976 169434755759223 188260839732470 225913007678964 282391259598705 301217343571952 338869511518446 376521679464940 451826015357928 508304267277669 564782519197410 602434687143904 677739023036892 753043358929880 847173778796115 903652030715856 1016608534555338 1129565038394820 1355478046073784 1506086717859760 1694347557592230 1807304061431712 2033217069110676 2259130076789640 2541521336388345 2710956092147568 3012173435719520 3388695115184460 4066434138221352 4518260153579280 5083042672776690 5421912184295136 6777390230368920 8132868276442704 9036520307158560 10166085345553380 13554780460737840 16265736552885408 20332170691106760 27109560921475680 40664341382213520 81328682764427040
- Sum of all divisors σ(n): 284650389675509760
- Sum of proper divisors (its aliquot sum) s(n): 203321706911082720
- 81328682764427040 is an abundant number, because the sum of its proper divisors (203321706911082720) is greater than itself. Its abundance is 121993024146655680
Bases of 81328682764427040
- Binary: 1001000001111000000000001100011100011100101011111001000002
- Hexadecimal: 0x120F0018E395F20
- Base-36: M8SM12PKSO0
Squares and roots of 81328682764427040
- 81328682764427040 squared (813286827644270402) is 6614354640196811881071259483161600
- 81328682764427040 cubed (813286827644270403) is 537936750223982470005380205529669036796351729664000
-
The
square root of 81328682764427040 is 285181841.5755586637 -
The
cube root of 81328682764427040 is 433259.3190248877
Scales and comparisons
How big is 81328682764427040?- 81,328,682,764,427,040 seconds is equal to 2,586,000,545 years, 40 weeks, 2 days, 8 hours, 24 minutes.
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To count from 1 to 81,328,682,764,427,040 would take you about seven billion, seven hundred fifty-eight million, one thousand, six hundred thirty-seven 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 81328682764427040 cubic inches would be around 36104.9 feet tall.
Recreational maths with 81328682764427040
- 81328682764427040 backwards is 04072446728682318
- 81328682764427040 is a
Harshad number . - The number of decimal digits it has is: 17
- The sum of 81328682764427040's digits is 72
- More coming soon!
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