71291881 (number)

71291881 is an odd 8-digits composite number following 71291880 and preceding 71291882. In scientific notation, it is written as 7.1291881 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 66552640 positive integers (up to 71291881) that are relatively prime to 71291881.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.1291881 × 10^7
Engineering notation 7.1291881 × 10^6

Prime Factorization of 71291881

Prime Factorization 23 × 293 × 71 × 149

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 71291881
Product of the distinct prime numbers

The prime factorization of 71291881 is 23 × 293 × 71 × 149. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71291881)

Multiplication

n×y
n×2 142583762
n×3 213875643
n×4 285167524
n×5 356459405

Division

n÷y
n÷2 35645940.5
n÷3 23763960.333333
n÷3 17822970.25
n÷5 14258376.2

Exponentiation

ny
n2 5082532296518161
n3 3.6234328766203E+23
n4 2.583213454515E+31
n5 1.8416214619688E+39

Nth Root

y√n
2√n 8443.451959951
3√n 414.64842920392
4√n 91.888258009122
5√n 37.205574477069

Divisors of 71291881

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -71291880
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 71291881 can be divided by 16 positive divisors. The sum of these divisors (counting 71291881) is 1, the average is 0.0625.

Base conversion 71291881

Base System Value
2 Binary 100001111111101001111101001
3 Ternary 11222011000002001
4 Quaternary 10033331033221
5 Quinary 121222320011
6 Senary 11024011001
8 Octal 417751751
10 Decimal 71291881
12 Duodecimal 1ba60a61
16 Hexadecimal 43fd3e9
20 Vigesimal 125b9e1
36 Base36 16g161

Cryptographic Hash Functions

md5 d83b0f4a6a33557d531f50f39e9406cc
sha1 79da8a4df331700ca5f7deab90b5eb7048858644
sha256 2a4349b9da5d3d40d0e388e5154d4ef671d1398084f50dff101f989f03b07c7e
sha512 7f3622db8b4040256fd8fc87a8655b418b69b4f40197b291fffa579c9dbe2b476746f8c629c7906b029c5182d0ff9c87fa12c2b5fb32c37b8e90cb7e0aff2106
ripemd-160 3259b16250e562bd8e8797d5c651b41edc980280

71291881 as geometric shapes

Circle

Radius = n
Diameter 142583762
Circumference 447940099.2204
Area 1.5967246124374E+16

Sphere

Radius = n
Volume 1.5177800141288E+24
Surface area 6.3868984497497E+16
Circumference 447940099.2204

Square

Length = n
Perimeter 285167524
Area 5082532296518161
Diagonal 100821944.99729

Cube

Length = n
Surface area 30495193779108966
Volume 3.6234328766203E+23
Space diagonal 123481160.05915

Equilateral Triangle

Length = n
Perimeter 213875643
Area 2.2008010421698E+15
Altitude 61740580.029577

Triangular Pyramid

Length = n
Surface area 2.2008010421698E+15
Volume 4.2702565970541E+22
Height 33607314.999096