12981568 (number)

12981568 is an even 8-digits composite number following 12981567 and preceding 12981569. In scientific notation, it is written as 1.2981568 × 10^7. The sum of its digits is 40. It has a total of 8 prime factors and 28 positive divisors. There are 6207872 positive integers (up to 12981568) that are relatively prime to 12981568.

Interesting facts

Basic properties

Name

Name twelve million nine hundred eighty-one thousand five hundred sixty-eight

Notation

Scientific notation 1.2981568 × 10^7
Engineering notation 1.2981568 × 10^6

Prime Factorization of 12981568

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 23 × 8819

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 405674
Product of the distinct prime numbers

The prime factorization of 12981568 is 2 × 2 × 2 × 2 × 2 × 2 × 23 × 8819. Since it has a total of 8 prime factors.

Most popular turbo-numbers

1, 7, 5, 66, 16, 569, 8743, 2976, 27646, 87332, 562743, 1603, 655806, 5785465, 7883938, 81116613, 585524954, 126653174, 4892014588, 8289315510

Basic calculations (n = 12981568)

Multiplication

n×y
n×2 25963136
n×3 38944704
n×4 51926272
n×5 64907840

Division

n÷y
n÷2 6490784
n÷3 4327189.3333333
n÷3 3245392
n÷5 2596313.6

Exponentiation

ny
n2 168521107738624
n3 2.1876682195443E+21
n4 2.8399363753453E+28
n5 3.6866827172218E+35

Nth Root

y√n
2√n 3602.9943102925
3√n 235.02228851523
4√n 60.024947399331
5√n 26.464605868303

Divisors of 12981568

1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 184, 368, 736, 1472, 8819, 17638, 35276, 70552, 141104, 202837, 282208, 405674, 564416, 811348, 1622696, 3245392, 6490784, 12981568

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12981567
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12981568 can be divided by 28 positive divisors. The sum of these divisors (counting 12981568) is 1, the average is 0.035714285714286.

Base conversion 12981568

Base System Value
2 Binary 110001100001010101000000
3 Ternary 220102112100211
4 Quaternary 301201111000
5 Quinary 11310402233
6 Senary 1142123504
8 Octal 61412500
10 Decimal 12981568
12 Duodecimal 4420594
16 Hexadecimal c61540
20 Vigesimal 412di8
36 Base36 7q8n4

Cryptographic Hash Functions

md5 e2cc99464a42bcf95b64cdf2c843df71
sha1 1600165901c45829e88d7d0abea9ebf438638584
sha256 725e728f95adf3814817f96f7f06d32d4baafeccff9f017f4ab26e6db48ab0db
sha512 a860e09d70a32c35580577039aab074556d5d7bac46586174f6c4f86c9bf3c34a2216d5863371a678e8ee730eb447c28d519feaa3dc32b28a3e48d19fbde3f4d
ripemd-160 ba6c222f1365168a1e2f434742b03021e2610241

12981568 as geometric shapes

Circle

Radius = n
Diameter 25963136
Circumference 81565597.321753
Area 5.2942467404648E+14

Sphere

Radius = n
Volume 9.1636832093495E+21
Surface area 2.1176986961859E+15
Circumference 81565597.321753

Square

Length = n
Perimeter 51926272
Area 168521107738624
Diagonal 18358709.526469

Cube

Length = n
Surface area 1011126646431744
Volume 2.1876682195443E+21
Space diagonal 22484735.33791

Equilateral Triangle

Length = n
Perimeter 38944704
Area 72971780187771
Altitude 11242367.668955

Triangular Pyramid

Length = n
Surface area 72971780187771
Volume 2.5781917217101E+20
Height 6119569.8421562