123042987 (number)

123042987 is an odd 9-digits composite number following 123042986 and preceding 123042988. In scientific notation, it is written as 1.23042987 × 10^8. The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors. There are 82028652 positive integers (up to 123042987) that are relatively prime to 123042987.

Interesting facts

Basic properties

Name

Name one hundred twenty-three million forty-two thousand nine hundred eighty-seven

Notation

Scientific notation 1.23042987 × 10^8
Engineering notation 1.23042987 × 10^6

Prime Factorization of 123042987

Prime Factorization 9 × 13671443

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 123042987
Product of the distinct prime numbers

The prime factorization of 123042987 is 9 × 13671443. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 123042987)

Multiplication

n×y
n×2 246085974
n×3 369128961
n×4 492171948
n×5 615214935

Division

n÷y
n÷2 61521493.5
n÷3 41014329
n÷3 30760746.75
n÷5 24608597.4

Exponentiation

ny
n2 15139576649882169
n3 1.862818732917E+24
n4 2.2920678113766E+32
n5 2.8202286991833E+40

Nth Root

y√n
2√n 11092.474340741
3√n 497.37691221884
4√n 105.32081627457
5√n 41.496490940748

Divisors of 123042987

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 -123042986
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 123042987 can be divided by 4 positive divisors. The sum of these divisors (counting 123042987) is 1, the average is 0.25.

Base conversion 123042987

Base System Value
2 Binary 111010101010111110010101011
3 Ternary 22120112020020200
4 Quaternary 13111113302223
5 Quinary 222444333422
6 Senary 20113123243
8 Octal 725276253
10 Decimal 123042987
12 Duodecimal 35259523
16 Hexadecimal 7557cab
20 Vigesimal 1i90797
36 Base36 2198kr

Cryptographic Hash Functions

md5 bfb3cfa82efa3cced7b81406c224cb30
sha1 f4ae7853683a5b5b2471c4bdb4d884fbfb79c5ae
sha256 d13c1b53153f40786851be6bf27d9639abfd8387ba4a3847575edaf4cf86961c
sha512 39222c30b997a0d52900080e4aa9c7d852a9233437e4daafbb14f8f1cfba8ae65521845bb0e8451b15c0cd95fa10e5e3ced5c7573c381959fb89b67519eb33ed
ripemd-160 f745812d403bc8dcf63c066f1dcaa52a646d8e2d

123042987 as geometric shapes

Circle

Radius = n
Diameter 246085974
Circumference 773101888.06989
Area 4.7562382781729E+16

Sphere

Radius = n
Volume 7.8029568617351E+24
Surface area 1.9024953112692E+17
Circumference 773101888.06989

Square

Length = n
Perimeter 492171948
Area 15139576649882169
Diagonal 174009060.9703

Cube

Length = n
Surface area 90837459899293014
Volume 1.862818732917E+24
Space diagonal 213116704.99904

Equilateral Triangle

Length = n
Perimeter 369128961
Area 6.5556289906698E+15
Altitude 106558352.49952

Triangular Pyramid

Length = n
Surface area 6.5556289906698E+15
Volume 2.1953529302782E+23
Height 58003020.323432