20171920 (number)

20171920 is an even 8-digits composite number following 20171919 and preceding 20171921. In scientific notation, it is written as 2.0171920 × 10^7. The sum of its digits is 22. It has a total of 8 prime factors and 80 positive divisors. There are 7299072 positive integers (up to 20171920) that are relatively prime to 20171920.

Interesting facts

Basic properties

Name

Name twenty million one hundred seventy-one thousand nine hundred twenty

Notation

Scientific notation 2.0171920 × 10^7
Engineering notation 2.0171920 × 10^6

Prime Factorization of 20171920

Prime Factorization 2 × 2 × 2 × 2 × 5 × 19 × 23 × 577

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 2521490
Product of the distinct prime numbers

The prime factorization of 20171920 is 2 × 2 × 2 × 2 × 5 × 19 × 23 × 577. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20171920)

Multiplication

n×y
n×2 40343840
n×3 60515760
n×4 80687680
n×5 100859600

Division

n÷y
n÷2 10085960
n÷3 6723973.3333333
n÷3 5042980
n÷5 4034384

Exponentiation

ny
n2 406906356486400
n3 8.2080824705351E+21
n4 1.6557278294904E+29
n5 3.3399209318253E+36

Nth Root

y√n
2√n 4491.3160654757
3√n 272.21731479576
4√n 67.017281841893
5√n 28.903434221593

Divisors of 20171920

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20171919
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20171920 can be divided by 80 positive divisors. The sum of these divisors (counting 20171920) is 1, the average is 0.0125.

Base conversion 20171920

Base System Value
2 Binary 1001100111100110010010000
3 Ternary 1101221211200011
4 Quaternary 1030330302100
5 Quinary 20131000140
6 Senary 2000204304
8 Octal 114746220
10 Decimal 20171920
12 Duodecimal 6909694
16 Hexadecimal 133cc90
20 Vigesimal 6619g0
36 Base36 c0cr4

Cryptographic Hash Functions

md5 1f6359b030611c5270bb392d016b73a3
sha1 a40e8ef90236d1b993fdd387604df5d4c433432c
sha256 418a64275a927d083be47479323f595a09376a5cf20a91551df74f00a91bb45e
sha512 38447625b6b32f7b637b6839b50f6ee9d5a99a59e2f21ce83ddad68560b04f59bccb23e51deb7f5337ecf5a488e5450757fb314e1e457c13d8861dbecbda7cb3
ripemd-160 3ad0bee3f444f4ad145033430e220f8b905f607c

20171920 as geometric shapes

Circle

Radius = n
Diameter 40343840
Circumference 126743911.3616
Area 1.2783340202367E+15

Sphere

Radius = n
Volume 3.4381935452656E+22
Surface area 5.1133360809467E+15
Circumference 126743911.3616

Square

Length = n
Perimeter 80687680
Area 406906356486400
Diagonal 28527402.843105

Cube

Length = n
Surface area 2441438138918400
Volume 8.2080824705351E+21
Space diagonal 34938790.326215

Equilateral Triangle

Length = n
Perimeter 60515760
Area 1.7619562083929E+14
Altitude 17469395.163107

Triangular Pyramid

Length = n
Surface area 1.7619562083929E+14
Volume 9.6733179590897E+20
Height 9509134.281035