71808081 (number)

71808081 is an odd 8-digits composite number following 71808080 and preceding 71808082. In scientific notation, it is written as 7.1808081 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 47791200 positive integers (up to 71808081) that are relatively prime to 71808081.

Interesting facts

Basic properties

Name

Name seventy-one million eight hundred eight thousand eighty-one

Notation

Scientific notation 7.1808081 × 10^7
Engineering notation 7.1808081 × 10^6

Prime Factorization of 71808081

Prime Factorization 3 × 601 × 39827

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 71808081
Product of the distinct prime numbers

The prime factorization of 71808081 is 3 × 601 × 39827. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71808081)

Multiplication

n×y
n×2 143616162
n×3 215424243
n×4 287232324
n×5 359040405

Division

n÷y
n÷2 35904040.5
n÷3 23936027
n÷3 17952020.25
n÷5 14361616.2

Exponentiation

ny
n2 5156400496902561
n3 3.7027122455002E+23
n4 2.6588466084457E+31
n5 1.9092667262584E+39

Nth Root

y√n
2√n 8473.96489254
3√n 415.64679902248
4√n 92.054141093923
5√n 37.259297659827

Divisors of 71808081

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 -71808080
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 71808081 can be divided by 8 positive divisors. The sum of these divisors (counting 71808081) is 1, the average is 0.125.

Base conversion 71808081

Base System Value
2 Binary 100010001111011010001010001
3 Ternary 12000010020011120
4 Quaternary 10101323101101
5 Quinary 121340324311
6 Senary 11043032453
8 Octal 421732121
10 Decimal 71808081
12 Duodecimal 2006b729
16 Hexadecimal 447b451
20 Vigesimal 128g041
36 Base36 16r3gx

Cryptographic Hash Functions

md5 978e592b5cb2d1dc984ebbf79c543065
sha1 fff34f414d4a5cc3b2bb89c7d81cf324533b2f29
sha256 297ec2c34b4887cc6d025aadb393b9fb5f9771e81ccb9a366286141b63781481
sha512 5e94cfb69879dacd6ebc3f7ccb07ae7e26a1d2e693461073c6ac81fd384eef9df76336529cd3d3687af9467310956dd65130a7d58377955395f59a02da807392
ripemd-160 eb9a035db2609eba512c595de5dde9623cdd675f

71808081 as geometric shapes

Circle

Radius = n
Diameter 143616162
Circumference 451183479.47596
Area 1.6199309920036E+16

Sphere

Radius = n
Volume 1.5509884785094E+24
Surface area 6.4797239680143E+16
Circumference 451183479.47596

Square

Length = n
Perimeter 287232324
Area 5156400496902561
Diagonal 101551962.03819

Cube

Length = n
Surface area 30938402981415366
Volume 3.7027122455002E+23
Space diagonal 124375244.68602

Equilateral Triangle

Length = n
Perimeter 215424243
Area 2.2327869112022E+15
Altitude 62187622.343011

Triangular Pyramid

Length = n
Surface area 2.2327869112022E+15
Volume 4.3636882292928E+22
Height 33850654.012729