12917961 (number)

12917961 is an odd 8-digits composite number following 12917960 and preceding 12917962. In scientific notation, it is written as 1.2917961 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 20 positive divisors. There are 7381368 positive integers (up to 12917961) that are relatively prime to 12917961.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2917961 × 10^7
Engineering notation 1.2917961 × 10^6

Prime Factorization of 12917961

Prime Factorization 7 × 9 × 3 × 3 × 22783

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 4305987
Product of the distinct prime numbers

The prime factorization of 12917961 is 7 × 9 × 3 × 3 × 22783. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 1, 14, 44, 361, 121, 9674, 5093, 56051, 9038, 942783, 931530, 9673182, 4006632, 86541235, 44444795, 729625120, 573871784, 9482395004, 9268498889

Basic calculations (n = 12917961)

Multiplication

n×y
n×2 25835922
n×3 38753883
n×4 51671844
n×5 64589805

Division

n÷y
n÷2 6458980.5
n÷3 4305987
n÷3 3229490.25
n÷5 2583592.2

Exponentiation

ny
n2 166873716397521
n3 2.1556681603482E+21
n4 2.784683722432E+28
n5 3.5972435723712E+35

Nth Root

y√n
2√n 3594.1565074437
3√n 234.63780632329
4√n 59.951284451992
5√n 26.43862066969

Divisors of 12917961

1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 22783, 68349, 159481, 205047, 478443, 615141, 1435329, 1845423, 4305987, 12917961

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12917960
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12917961 can be divided by 20 positive divisors. The sum of these divisors (counting 12917961) is 1, the average is 0.05.

Base conversion 12917961

Base System Value
2 Binary 110001010001110011001001
3 Ternary 220022022010000
4 Quaternary 301101303021
5 Quinary 11301333321
6 Senary 1140513213
8 Octal 61216311
10 Decimal 12917961
12 Duodecimal 43ab809
16 Hexadecimal c51cc9
20 Vigesimal 40eei1
36 Base36 7ovk9

Cryptographic Hash Functions

md5 125c832369deda7548bfea0767efc695
sha1 206ef995f660e28e5f66b2336d64fc480f7e5681
sha256 9f2c8a47519767637d755c023d2e31248659106aa1daac876f0ce666d222464b
sha512 e8b2651f61d600e5ce24526406627598c1d513c010c087a5edb27d5fc3a438b8674e4bdb904be12a10076d2186fc615bfee96030830eb98fc08a50d0611f9c09
ripemd-160 e5377ae52a242c52f5b3037d88ff688ca153c359

12917961 as geometric shapes

Circle

Radius = n
Diameter 25835922
Circumference 81165942.753919
Area 5.2424924151168E+14

Sphere

Radius = n
Volume 9.0296416748366E+21
Surface area 2.0969969660467E+15
Circumference 81165942.753919

Square

Length = n
Perimeter 51671844
Area 166873716397521
Diagonal 18268755.644407

Cube

Length = n
Surface area 1001242298385126
Volume 2.1556681603482E+21
Space diagonal 22374564.782193

Equilateral Triangle

Length = n
Perimeter 38753883
Area 72258438812087
Altitude 11187282.391097

Triangular Pyramid

Length = n
Surface area 72258438812087
Volume 2.5404792902836E+20
Height 6089585.2148022