71291920 (number)

71291920 is an even 8-digits composite number following 71291919 and preceding 71291921. In scientific notation, it is written as 7.1291920 × 10^7. The sum of its digits is 31. It has a total of 8 prime factors and 80 positive divisors. There are 24030720 positive integers (up to 71291920) that are relatively prime to 71291920.

Interesting facts

Basic properties

Name

Name seventy-one million two hundred ninety-one thousand nine hundred twenty

Notation

Scientific notation 7.1291920 × 10^7
Engineering notation 7.1291920 × 10^6

Prime Factorization of 71291920

Prime Factorization 2 × 2 × 2 × 2 × 7 × 5 × 61 × 2087

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 8911490
Product of the distinct prime numbers

The prime factorization of 71291920 is 2 × 2 × 2 × 2 × 7 × 5 × 61 × 2087. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71291920)

Multiplication

n×y
n×2 142583840
n×3 213875760
n×4 285167680
n×5 356459600

Division

n÷y
n÷2 35645960
n÷3 23763973.333333
n÷3 17822980
n÷5 14258384

Exponentiation

ny
n2 5082537857286400
n3 3.6234388231863E+23
n4 2.5832191070749E+31
n5 1.8416264992406E+39

Nth Root

y√n
2√n 8443.4542694326
3√n 414.64850481461
4√n 91.888270575915
5√n 37.205578547707

Divisors of 71291920

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -71291919
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 71291920 can be divided by 80 positive divisors. The sum of these divisors (counting 71291920) is 1, the average is 0.0125.

Base conversion 71291920

Base System Value
2 Binary 100001111111101010000010000
3 Ternary 11222011000010111
4 Quaternary 10033331100100
5 Quinary 121222320140
6 Senary 11024011104
8 Octal 417752020
10 Decimal 71291920
12 Duodecimal 1ba60a94
16 Hexadecimal 43fd410
20 Vigesimal 125b9g0
36 Base36 16g174

Cryptographic Hash Functions

md5 de22beda27686b65c639e3d2fb2869a0
sha1 18c0df57a19a9f4d59c55ffff84112676d642a6e
sha256 0989a697d327a7ca843797c02fe82654e0c894b4e70356388267081950a6b5c9
sha512 0f7fc38804d4385db76f602e84c1d6ee1ee19c5e60aa6f5692014b3bb7a9fb509e5b0653caf9af71c6eefe0afad8a8551f14f9a1e45d5800f00f6d1034068e33
ripemd-160 297224273250bf6dba2cd884a8a546981cb13486

71291920 as geometric shapes

Circle

Radius = n
Diameter 142583840
Circumference 447940344.26462
Area 1.5967263594043E+16

Sphere

Radius = n
Volume 1.5177825050206E+24
Surface area 6.3869054376172E+16
Circumference 447940344.26462

Square

Length = n
Perimeter 285167680
Area 5082537857286400
Diagonal 100822000.15162

Cube

Length = n
Surface area 30495227143718400
Volume 3.6234388231863E+23
Space diagonal 123481227.60914

Equilateral Triangle

Length = n
Perimeter 213875760
Area 2.2008034500531E+15
Altitude 61740613.804568

Triangular Pyramid

Length = n
Surface area 2.2008034500531E+15
Volume 4.2702636051494E+22
Height 33607333.383873