12971808 (number)

12971808 is an even 8-digits composite number following 12971807 and preceding 12971809. In scientific notation, it is written as 1.2971808 × 10^7. The sum of its digits is 36. It has a total of 9 prime factors and 72 positive divisors. There are 4257792 positive integers (up to 12971808) that are relatively prime to 12971808.

Interesting facts

Basic properties

Name

Name twelve million nine hundred seventy-one thousand eight hundred eight

Notation

Scientific notation 1.2971808 × 10^7
Engineering notation 1.2971808 × 10^6

Prime Factorization of 12971808

Prime Factorization 2 × 2 × 2 × 2 × 2 × 3 × 3 × 73 × 617

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 270246
Product of the distinct prime numbers

The prime factorization of 12971808 is 2 × 2 × 2 × 2 × 2 × 3 × 3 × 73 × 617. Since it has a total of 9 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12971808)

Multiplication

n×y
n×2 25943616
n×3 38915424
n×4 51887232
n×5 64859040

Division

n÷y
n÷2 6485904
n÷3 4323936
n÷3 3242952
n÷5 2594361.6

Exponentiation

ny
n2 168267802788864
n3 2.182737630359E+21
n4 2.8314053455392E+28
n5 3.6728446512508E+35

Nth Root

y√n
2√n 3601.6396266145
3√n 234.96337440373
4√n 60.013661999702
5√n 26.460625266479

Divisors of 12971808

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12971807
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12971808 can be divided by 72 positive divisors. The sum of these divisors (counting 12971808) is 1, the average is 0.013888888888889.

Base conversion 12971808

Base System Value
2 Binary 110001011110111100100000
3 Ternary 220102000222100
4 Quaternary 301132330200
5 Quinary 11310044213
6 Senary 1142010400
8 Octal 61367440
10 Decimal 12971808
12 Duodecimal 4416a00
16 Hexadecimal c5ef20
20 Vigesimal 4119a8
36 Base36 7q140

Cryptographic Hash Functions

md5 189e8e6d4952223ff2f0b34cdf1dfed3
sha1 62b10c6ab6fd472191e5f4c22dfea9ae089254fc
sha256 3217f13a16b43aaab01a9cc21b07ab0b31fa33b216cfcb58d4c96d6eb7c8de2a
sha512 4d2a887bca52238abd14952e8fd15b89b54384f6d4ac4056628302d0c193c57c980bc08afadbddec1e488d94137580dda64481a1906bb4761453bc80156cf6a7
ripemd-160 875b05fafcea88452261dbb6ff736666e80e5320

12971808 as geometric shapes

Circle

Radius = n
Diameter 25943616
Circumference 81504273.433155
Area 5.2862889307719E+14

Sphere

Radius = n
Volume 9.1430300056665E+21
Surface area 2.1145155723088E+15
Circumference 81504273.433155

Square

Length = n
Perimeter 51887232
Area 168267802788864
Diagonal 18344906.8021

Cube

Length = n
Surface area 1009606816733184
Volume 2.182737630359E+21
Space diagonal 22467830.522028

Equilateral Triangle

Length = n
Perimeter 38915424
Area 72862095927073
Altitude 11233915.261014

Triangular Pyramid

Length = n
Surface area 72862095927073
Volume 2.5723809666299E+20
Height 6114968.9340333