12945142 (number)

12945142 is an even 8-digits composite number following 12945141 and preceding 12945143. In scientific notation, it is written as 1.2945142 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 5531328 positive integers (up to 12945142) that are relatively prime to 12945142.

Interesting facts

Basic properties

Name

Name twelve million nine hundred forty-five thousand one hundred forty-two

Notation

Scientific notation 1.2945142 × 10^7
Engineering notation 1.2945142 × 10^6

Prime Factorization of 12945142

Prime Factorization 2 × 7 × 389 × 2377

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12945142
Product of the distinct prime numbers

The prime factorization of 12945142 is 2 × 7 × 389 × 2377. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 4, 64, 37, 505, 147, 1131, 4630, 97479, 31393, 11723, 720225, 113960, 6090209, 75272899, 77316741, 250480795, 151210117, 9145650892, 3458461983

Basic calculations (n = 12945142)

Multiplication

n×y
n×2 25890284
n×3 38835426
n×4 51780568
n×5 64725710

Division

n÷y
n÷2 6472571
n÷3 4315047.3333333
n÷3 3236285.5
n÷5 2589028.4

Exponentiation

ny
n2 167576701400164
n3 2.1693041955167E+21
n4 2.808195085216E+28
n5 3.6352484141823E+35

Nth Root

y√n
2√n 3597.9357970925
3√n 234.80226009644
4√n 59.982795842579
5√n 26.449737347897

Divisors of 12945142

1, 2, 7, 14, 389, 778, 2377, 2723, 4754, 5446, 16639, 33278, 924653, 1849306, 6472571, 12945142

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12945141
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12945142 can be divided by 16 positive divisors. The sum of these divisors (counting 12945142) is 1, the average is 0.0625.

Base conversion 12945142

Base System Value
2 Binary 110001011000011011110110
3 Ternary 220100200101201
4 Quaternary 301120123312
5 Quinary 11303221032
6 Senary 1141243114
8 Octal 61303366
10 Decimal 12945142
12 Duodecimal 440349a
16 Hexadecimal c586f6
20 Vigesimal 40i2h2
36 Base36 7pgja

Cryptographic Hash Functions

md5 08055300456480d4e124be37c7233021
sha1 56ab1fff70729b92c106d71da7b666e34a183e7e
sha256 a448c226c9fb8ae144fafaa57851a09cc4597502d29c72f45d55063eced7793e
sha512 a033de823285eb80a767fd2afc8053cb124f172c0c485a749069da9191465882ec2a8983c1c740eda392cd618fc97e4dd0b1bbf7a6be0a33059663ea2a7ca757
ripemd-160 e27ec9975582c7dc25544b968f6b8a56fc684a22

12945142 as geometric shapes

Circle

Radius = n
Diameter 25890284
Circumference 81336726.013753
Area 5.2645773403157E+14

Sphere

Radius = n
Volume 9.0867601653825E+21
Surface area 2.1058309361263E+15
Circumference 81336726.013753

Square

Length = n
Perimeter 51780568
Area 167576701400164
Diagonal 18307195.383246

Cube

Length = n
Surface area 1005460208400984
Volume 2.1693041955167E+21
Space diagonal 22421643.655194

Equilateral Triangle

Length = n
Perimeter 38835426
Area 72562840247471
Altitude 11210821.827597

Triangular Pyramid

Length = n
Surface area 72562840247471
Volume 2.5565495118438E+20
Height 6102398.4610819