71311991 (number)

71311991 is an odd 8-digits composite number following 71311990 and preceding 71311992. In scientific notation, it is written as 7.1311991 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 67117152 positive integers (up to 71311991) that are relatively prime to 71311991.

Interesting facts

Basic properties

Name

Name seventy-one million three hundred eleven thousand nine hundred ninety-one

Notation

Scientific notation 7.1311991 × 10^7
Engineering notation 7.1311991 × 10^6

Prime Factorization of 71311991

Prime Factorization 17 × 4194823

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 71311991
Product of the distinct prime numbers

The prime factorization of 71311991 is 17 × 4194823. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71311991)

Multiplication

n×y
n×2 142623982
n×3 213935973
n×4 285247964
n×5 356559955

Division

n÷y
n÷2 35655995.5
n÷3 23770663.666667
n÷3 17827997.75
n÷5 14262398.2

Exponentiation

ny
n2 5085400060384081
n3 3.6265000333751E+23
n4 2.5861293774154E+31
n5 1.8442203488709E+39

Nth Root

y√n
2√n 8444.6427396308
3√n 414.68741352148
4√n 91.894737279296
5√n 37.207673228526

Divisors of 71311991

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 -71311990
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 71311991 can be divided by 4 positive divisors. The sum of these divisors (counting 71311991) is 1, the average is 0.25.

Base conversion 71311991

Base System Value
2 Binary 100010000000010001001110111
3 Ternary 11222012000122212
4 Quaternary 10100002021313
5 Quinary 121223440431
6 Senary 11024244035
8 Octal 420021167
10 Decimal 71311991
12 Duodecimal 1ba7061b
16 Hexadecimal 4402277
20 Vigesimal 125djjb
36 Base36 16ggon

Cryptographic Hash Functions

md5 2cc07ab53776305d1ab14f0e9a1b9625
sha1 d99eead868d60e200574760a2025b1f0f63543ed
sha256 1c7d9b4b737eee3f5559bfa483d241294d05efa02b73195a7af90b02460145dc
sha512 ee211de87147a98a5d8582836350c7429202b7ab000c43a0222f2de4584fe32a5b449e01dfdf3862faa7de1307feade75a00a4079a13dec0196b25a39e7e848a
ripemd-160 6581d033c711d13af5db6c9855961b6e81edc943

71311991 as geometric shapes

Circle

Radius = n
Diameter 142623982
Circumference 448066454.07692
Area 1.5976255470268E+16

Sphere

Radius = n
Volume 1.5190647817459E+24
Surface area 6.3905021881071E+16
Circumference 448066454.07692

Square

Length = n
Perimeter 285247964
Area 5085400060384081
Diagonal 100850384.83203

Cube

Length = n
Surface area 30512400362304486
Volume 3.6265000333751E+23
Space diagonal 123515991.60089

Equilateral Triangle

Length = n
Perimeter 213935973
Area 2.2020428203498E+15
Altitude 61757995.800447

Triangular Pyramid

Length = n
Surface area 2.2020428203498E+15
Volume 4.2738712759546E+22
Height 33616794.944009