71991471 (number)

71991471 is an odd 8-digits composite number following 71991470 and preceding 71991472. In scientific notation, it is written as 7.1991471 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 47974680 positive integers (up to 71991471) that are relatively prime to 71991471.

Interesting facts

Basic properties

Name

Name seventy-one million nine hundred ninety-one thousand four hundred seventy-one

Notation

Scientific notation 7.1991471 × 10^7
Engineering notation 7.1991471 × 10^6

Prime Factorization of 71991471

Prime Factorization 3 × 5227 × 4591

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 71991471
Product of the distinct prime numbers

The prime factorization of 71991471 is 3 × 5227 × 4591. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71991471)

Multiplication

n×y
n×2 143982942
n×3 215974413
n×4 287965884
n×5 359957355

Division

n÷y
n÷2 35995735.5
n÷3 23997157
n÷3 17997867.75
n÷5 14398294.2

Exponentiation

ny
n2 5182771896743841
n3 3.7311537270405E+23
n4 2.6861124533678E+31
n5 1.9337718678937E+39

Nth Root

y√n
2√n 8484.7787832094
3√n 416.00033707751
4√n 92.11285894602
5√n 37.278309483853

Divisors of 71991471

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 -71991470
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 71991471 can be divided by 8 positive divisors. The sum of these divisors (counting 71991471) is 1, the average is 0.125.

Base conversion 71991471

Base System Value
2 Binary 100010010101000000010101111
3 Ternary 12000110112201210
4 Quaternary 10102220002233
5 Quinary 121412211341
6 Senary 11051005503
8 Octal 422500257
10 Decimal 71991471
12 Duodecimal 20139893
16 Hexadecimal 44a80af
20 Vigesimal 129iidb
36 Base36 16v0z3

Cryptographic Hash Functions

md5 4f7443a668234b6b1b74ca26ae034ada
sha1 36cb775e51e50202b10541a1974d478431b1d42f
sha256 a4a422091d8cf072f6db03d9296d44b89409e3759691e644f32dc2a2bd17e4bb
sha512 c27930a30e3d002f1650479f01a5d80e88418c2c1273b2398a2f411dd29a9c0e45418642d7fff100ccb1b1e99ca2d86c0fbec78f03dde0655645f66b8bace05e
ripemd-160 e16ce8578b9cc9e941d5cf04245ca88a1c1a5082

71991471 as geometric shapes

Circle

Radius = n
Diameter 143982942
Circumference 452335752.82945
Area 1.6282158116042E+16

Sphere

Radius = n
Volume 1.5629020184379E+24
Surface area 6.5128632464168E+16
Circumference 452335752.82945

Square

Length = n
Perimeter 287965884
Area 5182771896743841
Diagonal 101811314.66339

Cube

Length = n
Surface area 31096631380463046
Volume 3.7311537270405E+23
Space diagonal 124692885.48362

Equilateral Triangle

Length = n
Perimeter 215974413
Area 2.2442060623001E+15
Altitude 62346442.741811

Triangular Pyramid

Length = n
Surface area 2.2442060623001E+15
Volume 4.397206836733E+22
Height 33937104.887796