81640113 is an odd 8-digits composite number following 81640112
and preceding 81640114 . In scientific notation, it is written as 8.1640113 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 54066000 positive integers (up to 81640113) that are relatively prime to 81640113.
81640113 has 8 divisors, whose sum is 109574976
The reverse of 81640113 is 31104618
Previous prime number is 151
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
eighty-one million six hundred forty thousand one hundred thirteen
Scientific notation
8.1640113 × 10^7
Engineering notation
8.1640113 × 10^6
Prime Factorization
3 × 151 × 180221
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81640113
Product of the distinct prime numbers
The prime factorization of 81640113 is 3 × 151 × 180221.
Since it has a total of 3 prime factors.
1 , 8 , 48 , 2 , 144 , 497 , 1116 , 582 , 25794 , 35855 , 293435 , 203604 , 2881320 , 7935832 , 34874564 , 95863737 , 226244167 , 9850788 , 2600147347 , 6910347169
n×2
163280226
n×3
244920339
n×4
326560452
n×5
408200565
n÷2
40820056.5
n÷3
27213371
n÷3
20410028.25
n÷5
16328022.6
n2
6665108050652769
n3
5.441401744125E+23
n4
4.4423665326876E+31
n5
3.6267530571604E+39
2 √n
9035.4918515817
3 √n
433.81163826573
4 √n
95.055204231971
5 √n
38.227924484565
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81640112
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81640113 can be divided by 8 positive divisors.
The sum of these divisors (counting 81640113) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110111011011101010110001
3
Ternary
12200121202011220
4
Quaternary
10313123222301
5
Quinary
131344440423
6
Senary
12033455253
8
Octal
467335261
10
Decimal
81640113
12
Duodecimal
23411529
16
Hexadecimal
4ddbab1
20
Vigesimal
15a505d
36
Base36
1cltwx
md5
c17180c423e92f0d942b51fa8334d54a
sha1
6ca155c2cbd94b524bdab2ed2c49e44498d2db7e
sha256
325b33835ff3163baee0476803129defedb849fadfd3fafdffa6b6d58e0b7d87
sha512
7a890482f28469307d687791f634dddc17e55abb34e55f05db4efb5b73acabde5087db88d82399677030d5b7fc5afe32b2ba0db54ed13861f40007afeef56254
ripemd-160
01ded6a7f0d77bce1ac87bbf062884d300729127
Diameter
163280226
Circumference
512959958.47808
Area
2.0939054487313E+16
Volume
2.2792890326098E+24
Surface area
8.3756217949252E+16
Circumference
512959958.47808
Perimeter
326560452
Area
6665108050652769
Diagonal
115456555.03827
Surface area
39990648303916614
Volume
5.441401744125E+23
Space diagonal
141404823.65166
Perimeter
244920339
Area
2.8860764454167E+15
Altitude
70702411.825832
Surface area
2.8860764454167E+15
Volume
6.4127534540518E+22
Height
38485518.346091