12981917 (number)

12981917 is an odd 8-digits composite number following 12981916 and preceding 12981918. In scientific notation, it is written as 1.2981917 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 11727792 positive integers (up to 12981917) that are relatively prime to 12981917.

Interesting facts

Basic properties

Name

Name twelve million nine hundred eighty-one thousand nine hundred seventeen

Notation

Scientific notation 1.2981917 × 10^7
Engineering notation 1.2981917 × 10^6

Prime Factorization of 12981917

Prime Factorization 611 × 21247

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12981917
Product of the distinct prime numbers

The prime factorization of 12981917 is 611 × 21247. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12981917)

Multiplication

n×y
n×2 25963834
n×3 38945751
n×4 51927668
n×5 64909585

Division

n÷y
n÷2 6490958.5
n÷3 4327305.6666667
n÷3 3245479.25
n÷5 2596383.4

Exponentiation

ny
n2 168530168994889
n3 2.1878446658876E+21
n4 2.8402417861446E+28
n5 3.6871783127661E+35

Nth Root

y√n
2√n 3603.0427419058
3√n 235.0243946307
4√n 60.025350827011
5√n 26.464748163103

Divisors of 12981917

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 -12981916
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 12981917 can be divided by 4 positive divisors. The sum of these divisors (counting 12981917) is 1, the average is 0.25.

Base conversion 12981917

Base System Value
2 Binary 110001100001011010011101
3 Ternary 220102112211202
4 Quaternary 301201122131
5 Quinary 11310410132
6 Senary 1142125245
8 Octal 61413235
10 Decimal 12981917
12 Duodecimal 4420825
16 Hexadecimal c6169d
20 Vigesimal 412efh
36 Base36 7q8wt

Cryptographic Hash Functions

md5 5bacd978a5dbfe49c625878952b5dff7
sha1 3bf201c88eee82bac7410dca3acd6f2ca48d1f11
sha256 d08f222f2a868c81e0a17843ad622d527a46c93eff2a6ff8c99415c7082308ec
sha512 31c41c77be2237e96a400c88d38097e500534fa23806edcec49b9b3898a7eabf5f6ffdb761ec45b1069c7f94f3d9af95fae540871a644a87c7fda8bb6f1e1c20
ripemd-160 3b6c49b263930bb33247bfd646d7919cd7a87ae4

12981917 as geometric shapes

Circle

Radius = n
Diameter 25963834
Circumference 81567790.153425
Area 5.2945314082259E+14

Sphere

Radius = n
Volume 9.1644223060642E+21
Surface area 2.1178125632904E+15
Circumference 81567790.153425

Square

Length = n
Perimeter 51927668
Area 168530168994889
Diagonal 18359203.087002

Cube

Length = n
Surface area 1011181013969334
Volume 2.1878446658876E+21
Space diagonal 22485339.823642

Equilateral Triangle

Length = n
Perimeter 38945751
Area 72975703826829
Altitude 11242669.911821

Triangular Pyramid

Length = n
Surface area 72975703826829
Volume 2.5783996657199E+20
Height 6119734.3623339