71661531 (number)

71661531 is an odd 8-digits composite number following 71661530 and preceding 71661532. In scientific notation, it is written as 7.1661531 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 47774352 positive integers (up to 71661531) that are relatively prime to 71661531.

Interesting facts

Basic properties

Name

Name seventy-one million six hundred sixty-one thousand five hundred thirty-one

Notation

Scientific notation 7.1661531 × 10^7
Engineering notation 7.1661531 × 10^6

Prime Factorization of 71661531

Prime Factorization 3 × 23887177

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 71661531
Product of the distinct prime numbers

The prime factorization of 71661531 is 3 × 23887177. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71661531)

Multiplication

n×y
n×2 143323062
n×3 214984593
n×4 286646124
n×5 358307655

Division

n÷y
n÷2 35830765.5
n÷3 23887177
n÷3 17915382.75
n÷5 14332306.2

Exponentiation

ny
n2 5135375025263961
n3 3.6800883656958E+23
n4 2.6372076650105E+31
n5 1.8898633883959E+39

Nth Root

y√n
2√n 8465.3134023496
3√n 415.36384793557
4√n 92.007137779357
5√n 37.2440770524

Divisors of 71661531

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -71661530
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 71661531 can be divided by 4 positive divisors. The sum of these divisors (counting 71661531) is 1, the average is 0.25.

Base conversion 71661531

Base System Value
2 Binary 100010001010111011111011011
3 Ternary 11222211210010210
4 Quaternary 10101113133123
5 Quinary 121321132111
6 Senary 11035542203
8 Octal 421273733
10 Decimal 71661531
12 Duodecimal 1bbba963
16 Hexadecimal 44577db
20 Vigesimal 127hdgb
36 Base36 16nye3

Cryptographic Hash Functions

md5 538a0496a9957ecf6e2cd9847ec9c7ff
sha1 87eecc8dd2cc25ab764fff38f8e8c9119dcf8c9e
sha256 61974ddfdfe1d8bef97f9953095b3ef8793afa558be011216bd5ae046d04340b
sha512 9afb087fa630da9c8a243df4e73081b0f5f5d39af562616136ec61d4b5288b53dbb1be652f617ecb1ed0a56d88d8da61e872ca09a8331947a8057ece9fb35e38
ripemd-160 a6dea42977bff55dd651fbad9bcf8cab33bd997f

71661531 as geometric shapes

Circle

Radius = n
Diameter 143323062
Circumference 450262678.66919
Area 1.6133256452798E+16

Sphere

Radius = n
Volume 1.5415118098975E+24
Surface area 6.4533025811191E+16
Circumference 450262678.66919

Square

Length = n
Perimeter 286646124
Area 5135375025263961
Diagonal 101344709.04062

Cube

Length = n
Surface area 30812250151583766
Volume 3.6800883656958E+23
Space diagonal 124121412.64017

Equilateral Triangle

Length = n
Perimeter 214984593
Area 2.2236826149194E+15
Altitude 62060706.320086

Triangular Pyramid

Length = n
Surface area 2.2236826149194E+15
Volume 4.3370257312487E+22
Height 33781569.680207