81013952 is an even 8-digits composite number following 81013951
and preceding 81013953 . In scientific notation, it is written as 8.1013952 × 10^7.
The sum of its digits is 29. It has a total of 7 prime factors and 14 positive divisors.
There are 40506944 positive integers (up to 81013952) that are relatively prime to 81013952.
81013952 has 14 divisors, whose sum is 160762188
The reverse of 81013952 is 25931018
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
eighty-one million thirteen thousand nine hundred fifty-two
Scientific notation
8.1013952 × 10^7
Engineering notation
8.1013952 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 1265843
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
2531686
Product of the distinct prime numbers
The prime factorization of 81013952 is 2 × 2 × 2 × 2 × 2 × 2 × 1265843.
Since it has a total of 7 prime factors.
1 , 4 , 5 , 22 , 212 , 395 , 5321 , 1573 , 65798 , 66475 , 954183 , 619817 , 217001 , 9647458 , 82298639 , 67422000 , 453447073 , 23926819 , 6532560926 , 159441464
n×2
162027904
n×3
243041856
n×4
324055808
n×5
405069760
n÷2
40506976
n÷3
27004650.666667
n÷3
20253488
n÷5
16202790.4
n2
6563260418658304
n3
5.3171566452068E+23
n4
4.3076387323127E+31
n5
3.4897883749292E+39
2 √n
9000.7750777364
3 √n
432.69971196973
4 √n
94.872414735456
5 √n
38.169103862373
1 , 2 , 4 , 8 , 16 , 32 , 64 , 1265843 , 2531686 , 5063372 , 10126744 , 20253488 , 40506976 , 81013952
14 divisors
τ
Total Divisors
14
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81013951
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.071428571428571
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
14
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81013952 can be divided by 14 positive divisors.
The sum of these divisors (counting 81013952) is 1, the average is 0.071428571428571.
Base
System
Value
2
Binary
100110101000010110011000000
3
Ternary
12122102221020202
4
Quaternary
10311002303000
5
Quinary
131214421302
6
Senary
12012224332
8
Octal
465026300
10
Decimal
81013952
12
Duodecimal
2316b0a8
16
Hexadecimal
4d42cc0
20
Vigesimal
1566ehc
36
Base36
1c8erk
md5
a067700c2dfe84c8968b84d37d48b7bb
sha1
0692b5655af955b9dc9b951fda240cb660d4250e
sha256
5ab7c4cbf11e6a359e7ed0f12c923bed63929b47b70b59010540605df5410ad4
sha512
01689626d488df4bfd40e1c06b9a499323202a962a27e034a80153035fff1c6e1797063dd591b6df30da368576c4ae1c199d2a10bcb14d9c23aa2c39cf767ec7
ripemd-160
8d967067f35593864c1ebcfc105d40c16c847cc5
Diameter
162027904
Circumference
509025672.88295
Area
2.0619090714854E+16
Volume
2.2272453672757E+24
Surface area
8.2476362859414E+16
Circumference
509025672.88295
Perimeter
324055808
Area
6563260418658304
Diagonal
114571029.65984
Surface area
39379562511949824
Volume
5.3171566452068E+23
Space diagonal
140320280.98595
Perimeter
243041856
Area
2.8419751271055E+15
Altitude
70160140.492973
Surface area
2.8419751271055E+15
Volume
6.2663292007614E+22
Height
38190343.219948