12487961 (number)

12487961 is an odd 8-digits composite number following 12487960 and preceding 12487962. In scientific notation, it is written as 1.2487961 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 12396672 positive integers (up to 12487961) that are relatively prime to 12487961.

Interesting facts

Basic properties

Name

Name twelve million four hundred eighty-seven thousand nine hundred sixty-one

Notation

Scientific notation 1.2487961 × 10^7
Engineering notation 1.2487961 × 10^6

Prime Factorization of 12487961

Prime Factorization 137 × 91153

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12487961
Product of the distinct prime numbers

The prime factorization of 12487961 is 137 × 91153. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12487961)

Multiplication

n×y
n×2 24975922
n×3 37463883
n×4 49951844
n×5 62439805

Division

n÷y
n÷2 6243980.5
n÷3 4162653.6666667
n÷3 3121990.25
n÷5 2497592.2

Exponentiation

ny
n2 155949169937521
n3 1.9474871521621E+21
n4 2.4320143604202E+28
n5 3.0370900484367E+35

Nth Root

y√n
2√n 3533.8309240822
3√n 232.00491096422
4√n 59.44603371195
5√n 26.260216770899

Divisors of 12487961

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12487960
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12487961 can be divided by 4 positive divisors. The sum of these divisors (counting 12487961) is 1, the average is 0.25.

Base conversion 12487961

Base System Value
2 Binary 101111101000110100011001
3 Ternary 212111110021002
4 Quaternary 233220310121
5 Quinary 11144103321
6 Senary 1123354345
8 Octal 57506431
10 Decimal 12487961
12 Duodecimal 42229b5
16 Hexadecimal be8d19
20 Vigesimal 3i0ji1
36 Base36 7fnrt

Cryptographic Hash Functions

md5 a04cbab499fcdd5287b5cba457d0586f
sha1 5e4fd1cf2fc45cca8fcf3e772e036b9e7f3ed3b6
sha256 7f090074f4531749523b7b0b85b93b2001eeaa07399bbcba2ea5b39f46825527
sha512 17528aeb01818f9bec3968092a87baa27a2552a9a37047c8c9b3bc99ee93bacf360ded6a0d7448a385473f87c3bef9f9a0b3fa4b62e2e48e2b7d621ec902a920
ripemd-160 3c9d2a4bdf11b5ae7a2fb9d32a7a7b1ab207ca01

12487961 as geometric shapes

Circle

Radius = n
Diameter 24975922
Circumference 78464173.071832
Area 4.8992876660914E+14

Sphere

Radius = n
Volume 8.1576151069241E+21
Surface area 1.9597150664366E+15
Circumference 78464173.071832

Square

Length = n
Perimeter 49951844
Area 155949169937521
Diagonal 17660643.812586

Cube

Length = n
Surface area 935695019625126
Volume 1.9474871521621E+21
Space diagonal 21629782.934939

Equilateral Triangle

Length = n
Perimeter 37463883
Area 67527971432495
Altitude 10814891.467469

Triangular Pyramid

Length = n
Surface area 67527971432495
Volume 2.2951356192792E+20
Height 5886881.2708621