81542014 is an even 8-digits composite number following 81542013
and preceding 81542015 . In scientific notation, it is written as 8.1542014 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 40771006 positive integers (up to 81542014) that are relatively prime to 81542014.
81542014 has 4 divisors, whose sum is 122313024
The reverse of 81542014 is 41024518
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
eighty-one million five hundred forty-two thousand fourteen
Scientific notation
8.1542014 × 10^7
Engineering notation
8.1542014 × 10^6
Prime Factorization
2 × 40771007
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81542014
Product of the distinct prime numbers
The prime factorization of 81542014 is 2 × 40771007.
Since it has a total of 2 prime factors.
5 , 3 , 38 , 71 , 341 , 28 , 195 , 9115 , 87492 , 95526 , 766102 , 61469 , 7895486 , 1374298 , 19006411 , 65396287 , 890484129 , 790843132 , 6170267046 , 2288707902
n×2
163084028
n×3
244626042
n×4
326168056
n×5
407710070
n÷2
40771007
n÷3
27180671.333333
n÷3
20385503.5
n÷5
16308402.8
n2
6649100047176196
n3
5.4218100913424E+23
n4
4.4210531437358E+31
n5
3.6050157734125E+39
2 √n
9030.0616830673
3 √n
433.63781217681
4 √n
95.026636702912
5 √n
38.218733108441
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81542013
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81542014 can be divided by 4 positive divisors.
The sum of these divisors (counting 81542014) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110111000011101101111110
3
Ternary
12200102202121121
4
Quaternary
10313003231332
5
Quinary
131333321024
6
Senary
12031421154
8
Octal
467035576
10
Decimal
81542014
12
Duodecimal
233847ba
16
Hexadecimal
4dc3b7e
20
Vigesimal
159cf0e
36
Base36
1cjq7y
md5
f29903a3ece16d0feadbf68c94f511d1
sha1
3814c0256d7b40f96723c494831e7367cc327fa4
sha256
4ffb8844fcde9616b7abc46769a377c22cfe15f24310c4e6f4b63d1cb5b0c3d9
sha512
eed6e0a2715c11433f5ad74769a3405fa26e90126040bc2fcc171aaa6417f9ec2cb7a2dd778207f92fbdc374ec3a4d2a9715c49c263c4362c8e58ca00a453986
ripemd-160
b7bf94c7692d79f6ae0c9a34f475ccc6b502d937
Diameter
163084028
Circumference
512343584.28263
Area
2.0888763861192E+16
Volume
2.2710825002827E+24
Surface area
8.3555055444769E+16
Circumference
512343584.28263
Perimeter
326168056
Area
6649100047176196
Diagonal
115317822.10202
Surface area
39894600283057176
Volume
5.4218100913424E+23
Space diagonal
141234911.19949
Perimeter
244626042
Area
2.8791447765794E+15
Altitude
70617455.599746
Surface area
2.8791447765794E+15
Volume
6.3896644698231E+22
Height
38439274.034006