20180920 (number)

20180920 is an even 8-digits composite number following 20180919 and preceding 20180921. In scientific notation, it is written as 2.0180920 × 10^7. The sum of its digits is 22. It has a total of 5 prime factors and 16 positive divisors. There are 8072352 positive integers (up to 20180920) that are relatively prime to 20180920.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty thousand nine hundred twenty

Notation

Scientific notation 2.0180920 × 10^7
Engineering notation 2.0180920 × 10^6

Prime Factorization of 20180920

Prime Factorization 2 × 2 × 2 × 5 × 504523

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5045230
Product of the distinct prime numbers

The prime factorization of 20180920 is 2 × 2 × 2 × 5 × 504523. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 10, 44, 91, 198, 142, 5433, 3516, 93459, 23664, 126074, 201607, 7014775, 2498476, 13972896, 69493848, 683900397, 450151075, 8129463503, 3028226831

Basic calculations (n = 20180920)

Multiplication

n×y
n×2 40361840
n×3 60542760
n×4 80723680
n×5 100904600

Division

n÷y
n÷2 10090460
n÷3 6726973.3333333
n÷3 5045230
n÷5 4036184

Exponentiation

ny
n2 407269532046400
n3 8.2190738446658E+21
n4 1.6586847173329E+29
n5 3.3473783585719E+36

Nth Root

y√n
2√n 4492.3178872382
3√n 272.25779336799
4√n 67.024755779027
5√n 28.906012900231

Divisors of 20180920

1, 2, 4, 5, 8, 10, 20, 40, 504523, 1009046, 2018092, 2522615, 4036184, 5045230, 10090460, 20180920

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20180919
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20180920 can be divided by 16 positive divisors. The sum of these divisors (counting 20180920) is 1, the average is 0.0625.

Base conversion 20180920

Base System Value
2 Binary 1001100111110111110111000
3 Ternary 1101222022000111
4 Quaternary 1030332332320
5 Quinary 20131242140
6 Senary 2000314104
8 Octal 114767670
10 Decimal 20180920
12 Duodecimal 6912934
16 Hexadecimal 133efb8
20 Vigesimal 662c60
36 Base36 c0jp4

Cryptographic Hash Functions

md5 2f2cb6af5af2246e7eb3398b6017281f
sha1 b67bb3cceeb4abb131135f33e92b6ed191d10c17
sha256 1c29f6e33a02f06c520f171e97c46cac67812e98f76f3f07f4d3d0eaa3bc461a
sha512 3a856c76628a3cf0f539a821a510118c8f494ad629420d1c32dab570debeaf87ae765e92053418433646bf8c33042898aa86ad8eb66483a70e4873e37571905d
ripemd-160 427915d4561a812e51b1068be82a1c54819d8e0e

20180920 as geometric shapes

Circle

Radius = n
Diameter 40361840
Circumference 126800460.02937
Area 1.2794749699079E+15

Sphere

Radius = n
Volume 3.4427976012952E+22
Surface area 5.1178998796317E+15
Circumference 126800460.02937

Square

Length = n
Perimeter 80723680
Area 407269532046400
Diagonal 28540130.765166

Cube

Length = n
Surface area 2443617192278400
Volume 8.2190738446658E+21
Space diagonal 34954378.783483

Equilateral Triangle

Length = n
Perimeter 60542760
Area 1.7635288046979E+14
Altitude 17477189.391741

Triangular Pyramid

Length = n
Surface area 1.7635288046979E+14
Volume 9.686271417727E+20
Height 9513376.9217221