81602009 (number)

81602009 is an odd 8-digits composite number following 81602008 and preceding 81602010. In scientific notation, it is written as 8.1602009 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 80967600 positive integers (up to 81602009) that are relatively prime to 81602009.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred two thousand nine

Notation

Scientific notation 8.1602009 × 10^7
Engineering notation 8.1602009 × 10^6

Prime Factorization of 81602009

Prime Factorization 239 × 421 × 811

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81602009
Product of the distinct prime numbers

The prime factorization of 81602009 is 239 × 421 × 811. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81602009)

Multiplication

n×y
n×2 163204018
n×3 244806027
n×4 326408036
n×5 408010045

Division

n÷y
n÷2 40801004.5
n÷3 27200669.666667
n÷3 20400502.25
n÷5 16320401.8

Exponentiation

ny
n2 6658887872836081
n3 5.4337862812916E+23
n4 4.4340787703003E+31
n5 3.6182973572076E+39

Nth Root

y√n
2√n 9033.3830318436
3√n 433.74413659934
4√n 95.04411097929
5√n 38.224355384033

Divisors of 81602009

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 -81602008
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 81602009 can be divided by 8 positive divisors. The sum of these divisors (counting 81602009) is 1, the average is 0.125.

Base conversion 81602009

Base System Value
2 Binary 100110111010010010111011001
3 Ternary 12200112210220122
4 Quaternary 10313102113121
5 Quinary 131342231014
6 Senary 12033003025
8 Octal 467222731
10 Decimal 81602009
12 Duodecimal 233b3475
16 Hexadecimal 4dd25d9
20 Vigesimal 15a0509
36 Base36 1cl0ih

Cryptographic Hash Functions

md5 565034d0c8880d906f6d7d2316b1bc47
sha1 3fe4f6fe2ce7149df48e4943a122b92672483682
sha256 e4ee02aec6f7be3f0458609cc32ede31c8df87ca73d4c925ce95cdb29a2d6d62
sha512 0c90e773d90e409391a1c74c58f3ff710f75438ac47b87363d241e449580c890a4e6a029c672948eecd24b2bd80c5ef3dc743f3214d0e2bb7b13c2c8b8de2d19
ripemd-160 f358a8690bd1b6d88742df49f82c69a4941f0e31

81602009 as geometric shapes

Circle

Radius = n
Diameter 163204018
Circumference 512720543.98514
Area 2.091951322238E+16

Sphere

Radius = n
Volume 2.2760990749977E+24
Surface area 8.367805288952E+16
Circumference 512720543.98514

Square

Length = n
Perimeter 326408036
Area 6658887872836081
Diagonal 115402667.84469

Cube

Length = n
Surface area 39953327237016486
Volume 5.4337862812916E+23
Space diagonal 141338825.58769

Equilateral Triangle

Length = n
Perimeter 244806027
Area 2.8833830294141E+15
Altitude 70669412.793846

Triangular Pyramid

Length = n
Surface area 2.8833830294141E+15
Volume 6.4037785450329E+22
Height 38467555.94823