81609613 (number)

81609613 is an odd 8-digits prime number following 81609612 and preceding 81609614. In scientific notation, it is written as 8.1609613 × 10^7. The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors. There are 81609612 positive integers (up to 81609613) that are relatively prime to 81609613.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1609613 × 10^7
Engineering notation 8.1609613 × 10^6

Prime Factorization of 81609613

Prime Factorization 81609613

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 81609613
Product of the distinct prime numbers

The prime factorization of 81609613 is 81609613. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81609613)

Multiplication

n×y
n×2 163219226
n×3 244828839
n×4 326438452
n×5 408048065

Division

n÷y
n÷2 40804806.5
n÷3 27203204.333333
n÷3 20402403.25
n÷5 16321922.6

Exponentiation

ny
n2 6660128934009769
n3 5.4353054483464E+23
n4 4.4357317417634E+31
n5 3.6199835081713E+39

Nth Root

y√n
2√n 9033.8039053325
3√n 433.75760884924
4√n 95.046325049065
5√n 38.225067736997

Divisors of 81609613

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 81609614
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 40804807
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 9033.8039606801
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999754931
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81609613 can be divided by 2 positive divisors. The sum of these divisors (counting 81609613) is 81609614, the average is 40804807.

Base conversion 81609613

Base System Value
2 Binary 100110111010100001110001101
3 Ternary 12200120012100021
4 Quaternary 10313110032031
5 Quinary 131343001423
6 Senary 12033102141
8 Octal 467241615
10 Decimal 81609613
12 Duodecimal 233b7951
16 Hexadecimal 4dd438d
20 Vigesimal 15a140d
36 Base36 1cl6dp

Cryptographic Hash Functions

md5 10952ef1f47278aa3b6136a4494958f0
sha1 becf79ce573bff7eb752b64b0458c998338e1983
sha256 e98aa09f32d5c93ff15c3be0e14567c38c8c62bdeeb3c2b4edad699f3c646935
sha512 24deec1ca842729e00ef0fcc5d64059427fc99429e00ef812909de48a6e3f40365b00cce7bb0e01b643913ee7375a0eabf7c12af8c78d8790c8a5b6e6673969f
ripemd-160 1f7c91247d67763dce7a93d0dc6fb0ffc44fcca9

81609613 as geometric shapes

Circle

Radius = n
Diameter 163219226
Circumference 512768321.32621
Area 2.0923412131046E+16

Sphere

Radius = n
Volume 2.2767354222055E+24
Surface area 8.3693648524184E+16
Circumference 512768321.32621

Square

Length = n
Perimeter 326438452
Area 6660128934009769
Diagonal 115413421.52462

Cube

Length = n
Surface area 39960773604058614
Volume 5.4353054483464E+23
Space diagonal 141351996.10203

Equilateral Triangle

Length = n
Perimeter 244828839
Area 2.8839204246661E+15
Altitude 70675998.051017

Triangular Pyramid

Length = n
Surface area 2.8839204246661E+15
Volume 6.4055689005765E+22
Height 38471140.508207