13187988 (number)

13187988 is an even 8-digits composite number following 13187987 and preceding 13187989. In scientific notation, it is written as 1.3187988 × 10^7. The sum of its digits is 45. It has a total of 6 prime factors and 48 positive divisors. There are 3755520 positive integers (up to 13187988) that are relatively prime to 13187988.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.3187988 × 10^7
Engineering notation 1.3187988 × 10^6

Prime Factorization of 13187988

Prime Factorization 2 × 2 × 99 × 3 × 17 × 653

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 6593994
Product of the distinct prime numbers

The prime factorization of 13187988 is 2 × 2 × 99 × 3 × 17 × 653. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 13187988)

Multiplication

n×y
n×2 26375976
n×3 39563964
n×4 52751952
n×5 65939940

Division

n÷y
n÷2 6593994
n÷3 4395996
n÷3 3296997
n÷5 2637597.6

Exponentiation

ny
n2 173923027488144
n3 2.2936947994373E+21
n4 3.0249219490642E+28
n5 3.9892634365195E+35

Nth Root

y√n
2√n 3631.5269515729
3√n 236.26144061503
4√n 60.26215189962
5√n 26.548238385315

Divisors of 13187988

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -13187987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 13187988 can be divided by 48 positive divisors. The sum of these divisors (counting 13187988) is 1, the average is 0.020833333333333.

Base conversion 13187988

Base System Value
2 Binary 110010010011101110010100
3 Ternary 220211000112000
4 Quaternary 302103232110
5 Quinary 11334003423
6 Senary 1150355300
8 Octal 62235624
10 Decimal 13187988
12 Duodecimal 44bbb30
16 Hexadecimal c93b94
20 Vigesimal 4289j8
36 Base36 7unx0

Cryptographic Hash Functions

md5 fb1e2a6ee37992445253d86613a76f8f
sha1 d7394cdc0439451bb467f5f291a972439fa20bb7
sha256 cb94e953529b52b34812141b7d7cee9bf2a0c243abdc38deac55ac4c56c564a0
sha512 95f64196662787442feab686bcc30c43c0e702925bbc8525274b3129bf908b4b612c2e7ae8b63b982ee1bf6cafb1c636dd463af17f619eae9d00dbef0eed64ff
ripemd-160 5856f9a9459ddc96b8074cfe02fe1db86e3a3727

13187988 as geometric shapes

Circle

Radius = n
Diameter 26375976
Circumference 82862572.432861
Area 5.4639530544685E+14

Sphere

Radius = n
Volume 9.6078063086525E+21
Surface area 2.1855812217874E+15
Circumference 82862572.432861

Square

Length = n
Perimeter 52751952
Area 173923027488144
Diagonal 18650631.490014

Cube

Length = n
Surface area 1043538164928864
Volume 2.2936947994373E+21
Space diagonal 22842265.265609

Equilateral Triangle

Length = n
Perimeter 39563964
Area 75310880053916
Altitude 11421132.632804

Triangular Pyramid

Length = n
Surface area 75310880053916
Volume 2.7031452444241E+20
Height 6216877.1633379