12781620 (number)

12781620 is an even 8-digits composite number following 12781619 and preceding 12781621. In scientific notation, it is written as 1.2781620 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 3207168 positive integers (up to 12781620) that are relatively prime to 12781620.

Interesting facts

Basic properties

Name

Name twelve million seven hundred eighty-one thousand six hundred twenty

Notation

Scientific notation 1.2781620 × 10^7
Engineering notation 1.2781620 × 10^6

Prime Factorization of 12781620

Prime Factorization 2 × 2 × 85 × 9 × 4177

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 6390810
Product of the distinct prime numbers

The prime factorization of 12781620 is 2 × 2 × 85 × 9 × 4177. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 7, 64, 84, 474, 865, 3336, 1187, 58446, 89867, 389285, 61203, 6149494, 6768625, 88779172, 17027117, 730288067, 772605291, 2854213480, 7277225235

Basic calculations (n = 12781620)

Multiplication

n×y
n×2 25563240
n×3 38344860
n×4 51126480
n×5 63908100

Division

n÷y
n÷2 6390810
n÷3 4260540
n÷3 3195405
n÷5 2556324

Exponentiation

ny
n2 163369809824400
n3 2.0881308286477E+21
n4 2.6689694762061E+28
n5 3.4113753636465E+35

Nth Root

y√n
2√n 3575.1391581308
3√n 233.80939990985
4√n 59.792467402933
5√n 26.382574934997

Divisors of 12781620

1, 2, 4, 9, 18, 36, 85, 170, 340, 765, 1530, 3060, 4177, 8354, 16708, 37593, 75186, 150372, 355045, 710090, 1420180, 3195405, 6390810, 12781620

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 -12781619
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 12781620 can be divided by 24 positive divisors. The sum of these divisors (counting 12781620) is 1, the average is 0.041666666666667.

Base conversion 12781620

Base System Value
2 Binary 110000110000100000110100
3 Ternary 220001101002100
4 Quaternary 300300200310
5 Quinary 11233002440
6 Senary 1133542100
8 Octal 60604064
10 Decimal 12781620
12 Duodecimal 4344930
16 Hexadecimal c30834
20 Vigesimal 3jhe10
36 Base36 7lyd0

Cryptographic Hash Functions

md5 2aa1e275526436d474714a2dec66dd8d
sha1 333e8fa0f074c1543957c62df5e8a95a9aad04ca
sha256 588e2caf2135faff8016712355c2bed766e109703ca194c661f9e42bdf436c53
sha512 b109766c996563d227d938c141f5df03b738b7559d02262c43aed1d39038941240f39b8da26b677dacf5fea72d8024ca462ca1d15bbc9b195fccc8a5d6712ec2
ripemd-160 d0244b6e7dfb8f2b97fb0757fffe4bb336ffe18d

12781620 as geometric shapes

Circle

Radius = n
Diameter 25563240
Circumference 80309286.985953
Area 5.132413943627E+14

Sphere

Radius = n
Volume 8.7467419613522E+21
Surface area 2.0529655774508E+15
Circumference 80309286.985953

Square

Length = n
Perimeter 51126480
Area 163369809824400
Diagonal 18075940.353099

Cube

Length = n
Surface area 980218858946400
Volume 2.0881308286477E+21
Space diagonal 22138415.243039

Equilateral Triangle

Length = n
Perimeter 38344860
Area 70741202759681
Altitude 11069207.621519

Triangular Pyramid

Length = n
Surface area 70741202759681
Volume 2.4608857815692E+20
Height 6025313.4510331