20180720 (number)

20180720 is an even 8-digits composite number following 20180719 and preceding 20180721. In scientific notation, it is written as 2.0180720 × 10^7. The sum of its digits is 20. It has a total of 6 prime factors and 20 positive divisors. There are 6918912 positive integers (up to 20180720) that are relatively prime to 20180720.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty thousand seven hundred twenty

Notation

Scientific notation 2.0180720 × 10^7
Engineering notation 2.0180720 × 10^6

Prime Factorization of 20180720

Prime Factorization 2 × 2 × 2 × 2 × 35 × 36037

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2522590
Product of the distinct prime numbers

The prime factorization of 20180720 is 2 × 2 × 2 × 2 × 35 × 36037. Since it has a total of 6 prime factors.

Most popular turbo-numbers

4, 9, 38, 58, 297, 952, 8048, 1568, 95624, 83165, 571872, 73031, 9970629, 5399041, 19852097, 44177982, 201623906, 308556263, 2534558727, 4231998979

Basic calculations (n = 20180720)

Multiplication

n×y
n×2 40361440
n×3 60542160
n×4 80722880
n×5 100903600

Division

n÷y
n÷2 10090360
n÷3 6726906.6666667
n÷3 5045180
n÷5 4036144

Exponentiation

ny
n2 407261459718400
n3 8.2188294853683E+21
n4 1.6586189657196E+29
n5 3.3472124933877E+36

Nth Root

y√n
2√n 4492.2956269596
3√n 272.25689397493
4√n 67.024589718696
5√n 28.905955606257

Divisors of 20180720

1, 2, 4, 8, 16, 35, 70, 140, 280, 560, 36037, 72074, 144148, 288296, 576592, 1261295, 2522590, 5045180, 10090360, 20180720

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20180719
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20180720 can be divided by 20 positive divisors. The sum of these divisors (counting 20180720) is 1, the average is 0.05.

Base conversion 20180720

Base System Value
2 Binary 1001100111110111011110000
3 Ternary 1101222021202002
4 Quaternary 1030332323300
5 Quinary 20131240340
6 Senary 2000313132
8 Octal 114767360
10 Decimal 20180720
12 Duodecimal 69127a8
16 Hexadecimal 133eef0
20 Vigesimal 662bg0
36 Base36 c0jjk

Cryptographic Hash Functions

md5 b75aa886227a1d55f53019533a99a772
sha1 b56e94acb2d20ef9f50ac5dcebd680f1b7ab99a1
sha256 86c7160bfc33938573535dc4598a66788181d726bdb227a884de3240d0bf032c
sha512 178d316ccf687fd54720bf03d62453b33eda58785463984ce25d2575a4cd3f91682412320646ba4f75a219c4805e6be213afe4ef570d119e2fe10b89eedeec8f
ripemd-160 46240338a9c6ca4161eff06683ee6a226c2b5c17

20180720 as geometric shapes

Circle

Radius = n
Diameter 40361440
Circumference 126799203.39231
Area 1.2794496099416E+15

Sphere

Radius = n
Volume 3.442695244312E+22
Surface area 5.1177984397663E+15
Circumference 126799203.39231

Square

Length = n
Perimeter 80722880
Area 407261459718400
Diagonal 28539847.922454

Cube

Length = n
Surface area 2443568758310400
Volume 8.2188294853683E+21
Space diagonal 34954032.373321

Equilateral Triangle

Length = n
Perimeter 60542160
Area 1.7634938504923E+14
Altitude 17477016.186661

Triangular Pyramid

Length = n
Surface area 1.7634938504923E+14
Volume 9.6859834375331E+20
Height 9513282.640818