20115209 (number)

20115209 is an odd 8-digits composite number following 20115208 and preceding 20115210. In scientific notation, it is written as 2.0115209 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 6 positive divisors. There are 19810560 positive integers (up to 20115209) that are relatively prime to 20115209.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifteen thousand two hundred nine

Notation

Scientific notation 2.0115209 × 10^7
Engineering notation 2.0115209 × 10^6

Prime Factorization of 20115209

Prime Factorization 67 × 67 × 4481

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 300227
Product of the distinct prime numbers

The prime factorization of 20115209 is 67 × 67 × 4481. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20115209)

Multiplication

n×y
n×2 40230418
n×3 60345627
n×4 80460836
n×5 100576045

Division

n÷y
n÷2 10057604.5
n÷3 6705069.6666667
n÷3 5028802.25
n÷5 4023041.8

Exponentiation

ny
n2 404621633113681
n3 8.139048716003E+21
n4 1.6371866598358E+29
n5 3.2932351834609E+36

Nth Root

y√n
2√n 4484.9982162761
3√n 271.96197294943
4√n 66.970129283705
5√n 28.887164188032

Divisors of 20115209

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20115208
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20115209 can be divided by 6 positive divisors. The sum of these divisors (counting 20115209) is 1, the average is 0.16666666666667.

Base conversion 20115209

Base System Value
2 Binary 1001100101110111100001001
3 Ternary 1101211221212202
4 Quaternary 1030232330021
5 Quinary 20122141314
6 Senary 1555045545
8 Octal 114567411
10 Decimal 20115209
12 Duodecimal 68a08b5
16 Hexadecimal 132ef09
20 Vigesimal 65e809
36 Base36 bz4zt

Cryptographic Hash Functions

md5 06f403ab0b17d51a96c5cbb4f582bd9b
sha1 f7dc5bdf39e19ac25da47645a621d65ff67310de
sha256 f6558206762e1e5ace9c3e23b0c7f7384a9dd7d51be6fdbbf3680a6dfaa54aef
sha512 4e1e8ad1edaba10aebc4fdeb5660cd5045559c4a5e5de985799483a66ab7a668541757a88098cb755795afedb354675826d0b8f477cc7be59f2ddce6123acb07
ripemd-160 04b5f1fb7083d702ac8d95628c2cb7dba6f4326f

20115209 as geometric shapes

Circle

Radius = n
Diameter 40230418
Circumference 126387585.63965
Area 1.2711563500734E+15

Sphere

Radius = n
Volume 3.4092767537873E+22
Surface area 5.0846254002938E+15
Circumference 126387585.63965

Square

Length = n
Perimeter 80460836
Area 404621633113681
Diagonal 28447201.377769

Cube

Length = n
Surface area 2427729798682086
Volume 8.139048716003E+21
Space diagonal 34840563.992867

Equilateral Triangle

Length = n
Perimeter 60345627
Area 1.752063065986E+14
Altitude 17420281.996433

Triangular Pyramid

Length = n
Surface area 1.752063065986E+14
Volume 9.5919608991557E+20
Height 9482400.4592564