20777978 (number)

20777978 is an even 8-digits composite number following 20777977 and preceding 20777979. In scientific notation, it is written as 2.0777978 × 10^7. The sum of its digits is 47. It has a total of 5 prime factors and 32 positive divisors. There are 8709120 positive integers (up to 20777978) that are relatively prime to 20777978.

Interesting facts

Basic properties

Name

Name twenty million seven hundred seventy-seven thousand nine hundred seventy-eight

Notation

Scientific notation 2.0777978 × 10^7
Engineering notation 2.0777978 × 10^6

Prime Factorization of 20777978

Prime Factorization 2 × 13 × 29 × 17 × 1621

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20777978
Product of the distinct prime numbers

The prime factorization of 20777978 is 2 × 13 × 29 × 17 × 1621. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20777978)

Multiplication

n×y
n×2 41555956
n×3 62333934
n×4 83111912
n×5 103889890

Division

n÷y
n÷2 10388989
n÷3 6925992.6666667
n÷3 5194494.5
n÷5 4155595.6

Exponentiation

ny
n2 431724369768484
n3 8.9703594571134E+21
n4 1.8638593145199E+29
n5 3.8727227832191E+36

Nth Root

y√n
2√n 4558.2867395547
3√n 274.91668219745
4√n 67.515085273994
5√n 29.075062463496

Divisors of 20777978

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20777977
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20777978 can be divided by 32 positive divisors. The sum of these divisors (counting 20777978) is 1, the average is 0.03125.

Base conversion 20777978

Base System Value
2 Binary 1001111010000101111111010
3 Ternary 1110002122000202
4 Quaternary 1033100233322
5 Quinary 20304343403
6 Senary 2021202202
8 Octal 117205772
10 Decimal 20777978
12 Duodecimal 6b60362
16 Hexadecimal 13d0bfa
20 Vigesimal 69h4ii
36 Base36 cdce2

Cryptographic Hash Functions

md5 66077af0113385b4309f0d66ca96b86c
sha1 4440056fa344c492c78237470cb831954cd75b1d
sha256 d6d12d42fa1459859ae1b3dd1bbdf22239cf747637f6ccdf360821681f9102c3
sha512 2d5e982f574964547aebf597f82c3f75dde7a80c5faf1a041e2d73e3f38e0b53953c70b1b0fdcab8cc55784302b050854fb0761c1750d713d167b0d028dafcd9
ripemd-160 915d8f029084888a0c62286b54893474b147cca6

20777978 as geometric shapes

Circle

Radius = n
Diameter 41555956
Circumference 130551886.0825
Area 1.3563021084404E+15

Sphere

Radius = n
Volume 3.757495382737E+22
Surface area 5.4252084337614E+15
Circumference 130551886.0825

Square

Length = n
Perimeter 83111912
Area 431724369768484
Diagonal 29384498.28629

Cube

Length = n
Surface area 2590346218610904
Volume 8.9703594571134E+21
Space diagonal 35988513.574548

Equilateral Triangle

Length = n
Perimeter 62333934
Area 1.8694213582617E+14
Altitude 17994256.787274

Triangular Pyramid

Length = n
Surface area 1.8694213582617E+14
Volume 1.057167000301E+21
Height 9794832.7620966