20123915 (number)

20123915 is an odd 8-digits composite number following 20123914 and preceding 20123916. In scientific notation, it is written as 2.0123915 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 13799232 positive integers (up to 20123915) that are relatively prime to 20123915.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-three thousand nine hundred fifteen

Notation

Scientific notation 2.0123915 × 10^7
Engineering notation 2.0123915 × 10^6

Prime Factorization of 20123915

Prime Factorization 35 × 574969

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20123915
Product of the distinct prime numbers

The prime factorization of 20123915 is 35 × 574969. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20123915)

Multiplication

n×y
n×2 40247830
n×3 60371745
n×4 80495660
n×5 100619575

Division

n÷y
n÷2 10061957.5
n÷3 6707971.6666667
n÷3 5030978.75
n÷5 4024783

Exponentiation

ny
n2 404971954927225
n3 8.1496211983393E+21
n4 1.6400228427758E+29
n5 3.3003680286078E+36

Nth Root

y√n
2√n 4485.9686802295
3√n 272.00120295748
4√n 66.977374390383
5√n 28.889664267686

Divisors of 20123915

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 -20123914
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 20123915 can be divided by 4 positive divisors. The sum of these divisors (counting 20123915) is 1, the average is 0.25.

Base conversion 20123915

Base System Value
2 Binary 1001100110001000100001011
3 Ternary 1101212101211012
4 Quaternary 1030301010023
5 Quinary 20122431130
6 Senary 1555154135
8 Octal 114610413
10 Decimal 20123915
12 Duodecimal 68a594b
16 Hexadecimal 133110b
20 Vigesimal 65f9ff
36 Base36 bzbpn

Cryptographic Hash Functions

md5 4d332e43d27b0547cf8b21e18514fcab
sha1 916aba5ed06d1ca7fdc9815da03fe399f424cfe0
sha256 da4d7c35765bceb63ba4a4323ac078f8909c04dc25f3e0b12b09ba69705a06f8
sha512 da4a53ea2e5125c59992e1dbc1844f55fdc90f4d5356d220f37f8762e10e2beeb808e1c72b50d3d390b96796113f90f67627b071b9ce571dc24ad0d5fc013918
ripemd-160 0c65c2aec00d91c9ddb08836a0484dc7be3b7208

20123915 as geometric shapes

Circle

Radius = n
Diameter 40247830
Circumference 126442287.05093
Area 1.2722569185093E+15

Sphere

Radius = n
Volume 3.4137053448323E+22
Surface area 5.0890276740371E+15
Circumference 126442287.05093

Square

Length = n
Perimeter 80495660
Area 404971954927225
Diagonal 28459513.521043

Cube

Length = n
Surface area 2429831729563350
Volume 8.1496211983393E+21
Space diagonal 34855643.227197

Equilateral Triangle

Length = n
Perimeter 60371745
Area 1.7535800039361E+14
Altitude 17427821.613599

Triangular Pyramid

Length = n
Surface area 1.7535800039361E+14
Volume 9.6044206890789E+20
Height 9486504.5070145