12945904 (number)

12945904 is an even 8-digits composite number following 12945903 and preceding 12945905. In scientific notation, it is written as 1.2945904 × 10^7. The sum of its digits is 34. It has a total of 6 prime factors and 20 positive divisors. There are 6425280 positive integers (up to 12945904) that are relatively prime to 12945904.

Interesting facts

Basic properties

Name

Name twelve million nine hundred forty-five thousand nine hundred four

Notation

Scientific notation 1.2945904 × 10^7
Engineering notation 1.2945904 × 10^6

Prime Factorization of 12945904

Prime Factorization 2 × 2 × 2 × 2 × 139 × 5821

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 1618238
Product of the distinct prime numbers

The prime factorization of 12945904 is 2 × 2 × 2 × 2 × 139 × 5821. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 1, 39, 84, 738, 725, 9396, 2515, 62105, 71339, 612118, 428549, 2198405, 3829997, 99319527, 939649, 616388091, 950400588, 5332798265, 3110749841

Basic calculations (n = 12945904)

Multiplication

n×y
n×2 25891808
n×3 38837712
n×4 51783616
n×5 64729520

Division

n÷y
n÷2 6472952
n÷3 4315301.3333333
n÷3 3236476
n÷5 2589180.8

Exponentiation

ny
n2 167596430377216
n3 2.1696872984061E+21
n4 2.8088563475185E+28
n5 3.6363184624765E+35

Nth Root

y√n
2√n 3598.0416895862
3√n 234.8068671223
4√n 59.983678526631
5√n 26.450048726873

Divisors of 12945904

1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 5821, 11642, 23284, 46568, 93136, 809119, 1618238, 3236476, 6472952, 12945904

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 -12945903
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 12945904 can be divided by 20 positive divisors. The sum of these divisors (counting 12945904) is 1, the average is 0.05.

Base conversion 12945904

Base System Value
2 Binary 110001011000100111110000
3 Ternary 220100201102221
4 Quaternary 301120213300
5 Quinary 11303232104
6 Senary 1141250424
8 Octal 61304760
10 Decimal 12945904
12 Duodecimal 4403a14
16 Hexadecimal c589f0
20 Vigesimal 40i4f4
36 Base36 7ph4g

Cryptographic Hash Functions

md5 b5895498ff91e598db26d9596c4551f5
sha1 e3e69b45ef8a8d771cf2745fcc813be1ab3c631c
sha256 71750e8bc18300a83a6f9fbba911ba59947c92a6df29a4d916cd14f0e2dca25c
sha512 957eca67ae703f66d82e91bb1917eb542bd378704727bfaa5b54acaeb8e7c5ed1db46d96d60c09c755ce56efe78f6d9d1e96929484046904fe977fe1a7d7b2e2
ripemd-160 8d67ddf0e92319d6f0a8e3bf7d9d8103340552ae

12945904 as geometric shapes

Circle

Radius = n
Diameter 25891808
Circumference 81341513.800957
Area 5.2651971444094E+14

Sphere

Radius = n
Volume 9.088364903013E+21
Surface area 2.1060788577637E+15
Circumference 81341513.800957

Square

Length = n
Perimeter 51783616
Area 167596430377216
Diagonal 18308273.01398

Cube

Length = n
Surface area 1005578582263296
Volume 2.1696872984061E+21
Space diagonal 22422963.477909

Equilateral Triangle

Length = n
Perimeter 38837712
Area 72571383145130
Altitude 11211481.738955

Triangular Pyramid

Length = n
Surface area 72571383145130
Volume 2.5570010029288E+20
Height 6102757.6713267