12487145 (number)

12487145 is an odd 8-digits composite number following 12487144 and preceding 12487146. In scientific notation, it is written as 1.2487145 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 8976000 positive integers (up to 12487145) that are relatively prime to 12487145.

Interesting facts

Basic properties

Name

Name twelve million four hundred eighty-seven thousand one hundred forty-five

Notation

Scientific notation 1.2487145 × 10^7
Engineering notation 1.2487145 × 10^6

Prime Factorization of 12487145

Prime Factorization 55 × 89 × 2551

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12487145
Product of the distinct prime numbers

The prime factorization of 12487145 is 55 × 89 × 2551. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12487145)

Multiplication

n×y
n×2 24974290
n×3 37461435
n×4 49948580
n×5 62435725

Division

n÷y
n÷2 6243572.5
n÷3 4162381.6666667
n÷3 3121786.25
n÷5 2497429

Exponentiation

ny
n2 155928790251025
n3 1.9471054135391E+21
n4 2.4313787629148E+28
n5 3.0360979162438E+35

Nth Root

y√n
2√n 3533.7154667573
3√n 231.99985756036
4√n 59.445062593603
5√n 26.259873578011

Divisors of 12487145

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 -12487144
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 12487145 can be divided by 8 positive divisors. The sum of these divisors (counting 12487145) is 1, the average is 0.125.

Base conversion 12487145

Base System Value
2 Binary 101111101000100111101001
3 Ternary 212111102010212
4 Quaternary 233220213221
5 Quinary 11144042040
6 Senary 1123350505
8 Octal 57504751
10 Decimal 12487145
12 Duodecimal 4222435
16 Hexadecimal be89e9
20 Vigesimal 3i0hh5
36 Base36 7fn55

Cryptographic Hash Functions

md5 317f74a99ac94fddeff4f44499a15d50
sha1 ac8617258701553869b0070673fc638fb615f771
sha256 881ba4789a12b6c40196bfa900485ddb183a735e4e1751051f0dae4b1b16fe35
sha512 5c91780b0477ea5d14389b52441820b1c25d08cde609431e93582703b2d16ff367ab33f9d3c89aa49f2f0f3b861fb07a492152f165011eda7a891d897af4c1d2
ripemd-160 ad73581475a351e87f49b98eea013fede5df843c

12487145 as geometric shapes

Circle

Radius = n
Diameter 24974290
Circumference 78459045.992621
Area 4.8986474193576E+14

Sphere

Radius = n
Volume 8.1560160839193E+21
Surface area 1.9594589677431E+15
Circumference 78459045.992621

Square

Length = n
Perimeter 49948580
Area 155928790251025
Diagonal 17659489.814319

Cube

Length = n
Surface area 935572741506150
Volume 1.9471054135391E+21
Space diagonal 21628369.58148

Equilateral Triangle

Length = n
Perimeter 37461435
Area 67519146769381
Altitude 10814184.79074

Triangular Pyramid

Length = n
Surface area 67519146769381
Volume 2.2946857359976E+20
Height 5886496.6047731