81640113 (number)

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.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred forty thousand one hundred thirteen

Notation

Scientific notation 8.1640113 × 10^7
Engineering notation 8.1640113 × 10^6

Prime Factorization of 81640113

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.

Most popular turbo-numbers

Basic calculations (n = 81640113)

Multiplication

n×y
n×2 163280226
n×3 244920339
n×4 326560452
n×5 408200565

Division

n÷y
n÷2 40820056.5
n÷3 27213371
n÷3 20410028.25
n÷5 16328022.6

Exponentiation

ny
n2 6665108050652769
n3 5.441401744125E+23
n4 4.4423665326876E+31
n5 3.6267530571604E+39

Nth Root

y√n
2√n 9035.4918515817
3√n 433.81163826573
4√n 95.055204231971
5√n 38.227924484565

Divisors of 81640113

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 conversion 81640113

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

Cryptographic Hash Functions

md5 c17180c423e92f0d942b51fa8334d54a
sha1 6ca155c2cbd94b524bdab2ed2c49e44498d2db7e
sha256 325b33835ff3163baee0476803129defedb849fadfd3fafdffa6b6d58e0b7d87
sha512 7a890482f28469307d687791f634dddc17e55abb34e55f05db4efb5b73acabde5087db88d82399677030d5b7fc5afe32b2ba0db54ed13861f40007afeef56254
ripemd-160 01ded6a7f0d77bce1ac87bbf062884d300729127

81640113 as geometric shapes

Circle

Radius = n
Diameter 163280226
Circumference 512959958.47808
Area 2.0939054487313E+16

Sphere

Radius = n
Volume 2.2792890326098E+24
Surface area 8.3756217949252E+16
Circumference 512959958.47808

Square

Length = n
Perimeter 326560452
Area 6665108050652769
Diagonal 115456555.03827

Cube

Length = n
Surface area 39990648303916614
Volume 5.441401744125E+23
Space diagonal 141404823.65166

Equilateral Triangle

Length = n
Perimeter 244920339
Area 2.8860764454167E+15
Altitude 70702411.825832

Triangular Pyramid

Length = n
Surface area 2.8860764454167E+15
Volume 6.4127534540518E+22
Height 38485518.346091