20542979 (number)

20542979 is an odd 8-digits composite number following 20542978 and preceding 20542980. In scientific notation, it is written as 2.0542979 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 19521216 positive integers (up to 20542979) that are relatively prime to 20542979.

Interesting facts

Basic properties

Name

Name twenty million five hundred forty-two thousand nine hundred seventy-nine

Notation

Scientific notation 2.0542979 × 10^7
Engineering notation 2.0542979 × 10^6

Prime Factorization of 20542979

Prime Factorization 23 × 157 × 5689

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20542979
Product of the distinct prime numbers

The prime factorization of 20542979 is 23 × 157 × 5689. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20542979)

Multiplication

n×y
n×2 41085958
n×3 61628937
n×4 82171916
n×5 102714895

Division

n÷y
n÷2 10271489.5
n÷3 6847659.6666667
n÷3 5135744.75
n÷5 4108595.8

Exponentiation

ny
n2 422013986194441
n3 8.6694244560987E+21
n4 1.7809580454372E+29
n5 3.6586183727298E+36

Nth Root

y√n
2√n 4532.4363205676
3√n 273.87631389849
4√n 67.323371280467
5√n 29.008995084093

Divisors of 20542979

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 -20542978
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 20542979 can be divided by 8 positive divisors. The sum of these divisors (counting 20542979) is 1, the average is 0.125.

Base conversion 20542979

Base System Value
2 Binary 1001110010111011000000011
3 Ternary 1102122200200002
4 Quaternary 1032113120003
5 Quinary 20224333404
6 Senary 2012150215
8 Octal 116273003
10 Decimal 20542979
12 Duodecimal 6a6836b
16 Hexadecimal 1397603
20 Vigesimal 687h8j
36 Base36 c8b2b

Cryptographic Hash Functions

md5 c145b00976b088159d804d90f3b1a750
sha1 e23ca662dd8ee4dcbd16d7894ebd1cde6307dcfc
sha256 e70a35bc9ef421694a561af48a9c20b379b21d8f11ac1a4d0b28a5f65d5b6215
sha512 e6bd748f2601480b02f90d0fb745c1e2914809d6e154399fd52e8fedc07ec8c585baf1ec2fcaa7c1b2e927f4436aebdf9df7abf9e538fae1596217210cc6b520
ripemd-160 c81c81d24559df7db21961ba3855b53dfb1a92a0

20542979 as geometric shapes

Circle

Radius = n
Diameter 41085958
Circumference 129075343.8185
Area 1.3257960387406E+15

Sphere

Radius = n
Volume 3.6314400242842E+22
Surface area 5.3031841549624E+15
Circumference 129075343.8185

Square

Length = n
Perimeter 82171916
Area 422013986194441
Diagonal 29052159.513346

Cube

Length = n
Surface area 2532083917166646
Volume 8.6694244560987E+21
Space diagonal 35581483.36682

Equilateral Triangle

Length = n
Perimeter 61628937
Area 1.8273741639836E+14
Altitude 17790741.68341

Triangular Pyramid

Length = n
Surface area 1.8273741639836E+14
Volume 1.0217014703153E+21
Height 9684053.1711152