71291731 (number)

71291731 is an odd 8-digits composite number following 71291730 and preceding 71291732. In scientific notation, it is written as 7.1291731 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 59953920 positive integers (up to 71291731) that are relatively prime to 71291731.

Interesting facts

Basic properties

Name

Name seventy-one million two hundred ninety-one thousand seven hundred thirty-one

Notation

Scientific notation 7.1291731 × 10^7
Engineering notation 7.1291731 × 10^6

Prime Factorization of 71291731

Prime Factorization 7 × 53 × 192161

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 71291731
Product of the distinct prime numbers

The prime factorization of 71291731 is 7 × 53 × 192161. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71291731)

Multiplication

n×y
n×2 142583462
n×3 213875193
n×4 285166924
n×5 356458655

Division

n÷y
n÷2 35645865.5
n÷3 23763910.333333
n÷3 17822932.75
n÷5 14258346.2

Exponentiation

ny
n2 5082510908976361
n3 3.6234100052731E+23
n4 2.5831917139864E+31
n5 1.8416020879495E+39

Nth Root

y√n
2√n 8443.4430773234
3√n 414.6481383933
4√n 91.888209675254
5√n 37.205558820754

Divisors of 71291731

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 -71291730
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 71291731 can be divided by 8 positive divisors. The sum of these divisors (counting 71291731) is 1, the average is 0.125.

Base conversion 71291731

Base System Value
2 Binary 100001111111101001101010011
3 Ternary 11222010222212111
4 Quaternary 10033331031103
5 Quinary 121222313411
6 Senary 11024010151
8 Octal 417751523
10 Decimal 71291731
12 Duodecimal 1ba60957
16 Hexadecimal 43fd353
20 Vigesimal 125b96b
36 Base36 16g11v

Cryptographic Hash Functions

md5 1826681a97d32545bfc67ceec40f1f55
sha1 b8d69bf3c63a3ac5d519bc1e3091fa3f28c79bcc
sha256 1b6d10aadff39a35b62f9ceee083be8a273a5b9fe5cccec4462d6318921b9c92
sha512 dc37405dfbbe958ce0258caac7aee292dd3f2d4a8be3c9ef023a22cc3be8810b1637c98c811efcc78e4066048b1c7322aca4b21f5c421ae13f63bc37225674ba
ripemd-160 3c5a25166055193b3073f1fabcfec0b5a4f26656

71291731 as geometric shapes

Circle

Radius = n
Diameter 142583462
Circumference 447939156.7426
Area 1.596717893343E+16

Sphere

Radius = n
Volume 1.5177704338013E+24
Surface area 6.386871573372E+16
Circumference 447939156.7426

Square

Length = n
Perimeter 285166924
Area 5082510908976361
Diagonal 100821732.86525

Cube

Length = n
Surface area 30495065453858166
Volume 3.6234100052731E+23
Space diagonal 123480900.25153

Equilateral Triangle

Length = n
Perimeter 213875193
Area 2.2007917810925E+15
Altitude 61740450.125767

Triangular Pyramid

Length = n
Surface area 2.2007917810925E+15
Volume 4.270229642913E+22
Height 33607244.288418