12806988 (number)

12806988 is an even 8-digits composite number following 12806987 and preceding 12806989. In scientific notation, it is written as 1.2806988 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors. There are 4044240 positive integers (up to 12806988) that are relatively prime to 12806988.

Interesting facts

Basic properties

Name

Name twelve million eight hundred six thousand nine hundred eighty-eight

Notation

Scientific notation 1.2806988 × 10^7
Engineering notation 1.2806988 × 10^6

Prime Factorization of 12806988

Prime Factorization 2 × 2 × 19 × 3 × 56171

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 6403494
Product of the distinct prime numbers

The prime factorization of 12806988 is 2 × 2 × 19 × 3 × 56171. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12806988)

Multiplication

n×y
n×2 25613976
n×3 38420964
n×4 51227952
n×5 64034940

Division

n÷y
n÷2 6403494
n÷3 4268996
n÷3 3201747
n÷5 2561397.6

Exponentiation

ny
n2 164018941632144
n3 2.1005886172556E+21
n4 2.6902213214129E+28
n5 3.4453632180679E+35

Nth Root

y√n
2√n 3578.6852334342
3√n 233.96398013764
4√n 59.822113247813
5√n 26.393039061822

Divisors of 12806988

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12806987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12806988 can be divided by 24 positive divisors. The sum of these divisors (counting 12806988) is 1, the average is 0.041666666666667.

Base conversion 12806988

Base System Value
2 Binary 110000110110101101001100
3 Ternary 220002122212220
4 Quaternary 300312231030
5 Quinary 11234310423
6 Senary 1134255340
8 Octal 60665514
10 Decimal 12806988
12 Duodecimal 4357550
16 Hexadecimal c36b4c
20 Vigesimal 400h98
36 Base36 7mhxo

Cryptographic Hash Functions

md5 2daae84cff085c69fca1e2e28898e1c2
sha1 1e981dabd16803a8a48bccc2bc7324f116d5ee10
sha256 39722a5064b488276acea8a00ba8845824f877fc832f2e949e685724e10d89a4
sha512 259a81c0016cf9788a3ff049f9ac72f42be7e4f2216319b025af365a0708bf2c61d84b283cd419d8469222bef6d74b3e7f8ea480426744cbe07cf593db2aa901
ripemd-160 5ee8cbdf0f49f41e20065f97429878b848451fa6

12806988 as geometric shapes

Circle

Radius = n
Diameter 25613976
Circumference 80468678.830825
Area 5.1528070208112E+14

Sphere

Radius = n
Volume 8.7989250242459E+21
Surface area 2.0611228083245E+15
Circumference 80468678.830825

Square

Length = n
Perimeter 51227952
Area 164018941632144
Diagonal 18111816.122749

Cube

Length = n
Surface area 984113649792864
Volume 2.1005886172556E+21
Space diagonal 22182353.907925

Equilateral Triangle

Length = n
Perimeter 38420964
Area 71022285077637
Altitude 11091176.953962

Triangular Pyramid

Length = n
Surface area 71022285077637
Volume 2.4755674262411E+20
Height 6037272.0409165