12920145 (number)

12920145 is an odd 8-digits composite number following 12920144 and preceding 12920146. In scientific notation, it is written as 1.2920145 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 5906304 positive integers (up to 12920145) that are relatively prime to 12920145.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2920145 × 10^7
Engineering notation 1.2920145 × 10^6

Prime Factorization of 12920145

Prime Factorization 21 × 5 × 123049

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12920145
Product of the distinct prime numbers

The prime factorization of 12920145 is 21 × 5 × 123049. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12920145)

Multiplication

n×y
n×2 25840290
n×3 38760435
n×4 51680580
n×5 64600725

Division

n÷y
n÷2 6460072.5
n÷3 4306715
n÷3 3230036.25
n÷5 2584029

Exponentiation

ny
n2 166930146821025
n3 2.1567617017989E+21
n4 2.7865673917689E+28
n5 3.6002854753926E+35

Nth Root

y√n
2√n 3594.4603211052
3√n 234.65102874264
4√n 59.953818236249
5√n 26.439514588522

Divisors of 12920145

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12920144
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12920145 can be divided by 8 positive divisors. The sum of these divisors (counting 12920145) is 1, the average is 0.125.

Base conversion 12920145

Base System Value
2 Binary 110001010010010101010001
3 Ternary 220022102002220
4 Quaternary 301102111101
5 Quinary 11301421040
6 Senary 1140531253
8 Octal 61222521
10 Decimal 12920145
12 Duodecimal 43b0b29
16 Hexadecimal c52551
20 Vigesimal 40f075
36 Base36 7ox8x

Cryptographic Hash Functions

md5 c1693d957ef72a0da86470298d5b6728
sha1 e632aa20e52c0e004bb5c85bd80afc0c5295bed9
sha256 3e4888817d9b45cb6a7b5ec8094d6d815152bf5a66e87e1f1156464f3a3840af
sha512 5d5de9d59b13b7752bd9e32ad2ea4b9ebd3dd6692d31792f8290e1995a5327ae94036c205d35e87221c20dcaadd8b693adba572f265593c805cffde423c001b1
ripemd-160 71c295531932bcd43692fbf45b66954a44248a8d

12920145 as geometric shapes

Circle

Radius = n
Diameter 25840290
Circumference 81179665.23063
Area 5.244265229156E+14

Sphere

Radius = n
Volume 9.0342222905538E+21
Surface area 2.0977060916624E+15
Circumference 81179665.23063

Square

Length = n
Perimeter 51680580
Area 166930146821025
Diagonal 18271844.286827

Cube

Length = n
Surface area 1001580880926150
Volume 2.1567617017989E+21
Space diagonal 22378347.581157

Equilateral Triangle

Length = n
Perimeter 38760435
Area 72282873902237
Altitude 11189173.790578

Triangular Pyramid

Length = n
Surface area 72282873902237
Volume 2.5417680412424E+20
Height 6090614.7622756