13187989 (number)

13187989 is an odd 8-digits composite number following 13187988 and preceding 13187990. In scientific notation, it is written as 1.3187989 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 12762540 positive integers (up to 13187989) that are relatively prime to 13187989.

Interesting facts

Basic properties

Name

Name thirteen million one hundred eighty-seven thousand nine hundred eighty-nine

Notation

Scientific notation 1.3187989 × 10^7
Engineering notation 1.3187989 × 10^6

Prime Factorization of 13187989

Prime Factorization 31 × 425419

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 13187989
Product of the distinct prime numbers

The prime factorization of 13187989 is 31 × 425419. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 13187989)

Multiplication

n×y
n×2 26375978
n×3 39563967
n×4 52751956
n×5 65939945

Division

n÷y
n÷2 6593994.5
n÷3 4395996.3333333
n÷3 3296997.25
n÷5 2637597.8

Exponentiation

ny
n2 173923053864121
n3 2.2936953212064E+21
n4 3.0249228665422E+28
n5 3.9892649489807E+35

Nth Root

y√n
2√n 3631.527089256
3√n 236.26144658666
4√n 60.262153041988
5√n 26.548238787928

Divisors of 13187989

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 -13187988
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 13187989 can be divided by 4 positive divisors. The sum of these divisors (counting 13187989) is 1, the average is 0.25.

Base conversion 13187989

Base System Value
2 Binary 110010010011101110010101
3 Ternary 220211000112001
4 Quaternary 302103232111
5 Quinary 11334003424
6 Senary 1150355301
8 Octal 62235625
10 Decimal 13187989
12 Duodecimal 44bbb31
16 Hexadecimal c93b95
20 Vigesimal 4289j9
36 Base36 7unx1

Cryptographic Hash Functions

md5 df02f45bae6cd5f3b109a68ab06d5ba6
sha1 9a09ecc2ad27fec045934fdc5d5ed0c8cbf8f494
sha256 3e697bfb325079212e671583cb77500defc21dcdd56383a0d626889b8364a6ff
sha512 5e2f55ffa63d0ac2b4a7d660b87ff61e6c350c489fb1198f997c9b1b5fdf8664bc6755ab2ae299c61d6d4a0bc9505976de5f06d02b138b1e7bc82e6790744851
ripemd-160 3720837e4ace72f4bb68d44094e9962336c388ac

13187989 as geometric shapes

Circle

Radius = n
Diameter 26375978
Circumference 82862578.716046
Area 5.4639538830942E+14

Sphere

Radius = n
Volume 9.6078084942339E+21
Surface area 2.1855815532377E+15
Circumference 82862578.716046

Square

Length = n
Perimeter 52751956
Area 173923053864121
Diagonal 18650632.904227

Cube

Length = n
Surface area 1043538323184726
Volume 2.2936953212064E+21
Space diagonal 22842266.997659

Equilateral Triangle

Length = n
Perimeter 39563967
Area 75310891475049
Altitude 11421133.49883

Triangular Pyramid

Length = n
Surface area 75310891475049
Volume 2.7031458593349E+20
Height 6216877.6347424