20149809 (number)

20149809 is an odd 8-digits composite number following 20149808 and preceding 20149810. In scientific notation, it is written as 2.0149809 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 12969936 positive integers (up to 20149809) that are relatively prime to 20149809.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-nine thousand eight hundred nine

Notation

Scientific notation 2.0149809 × 10^7
Engineering notation 2.0149809 × 10^6

Prime Factorization of 20149809

Prime Factorization 3 × 29 × 231607

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20149809
Product of the distinct prime numbers

The prime factorization of 20149809 is 3 × 29 × 231607. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20149809)

Multiplication

n×y
n×2 40299618
n×3 60449427
n×4 80599236
n×5 100749045

Division

n÷y
n÷2 10074904.5
n÷3 6716603
n÷3 5037452.25
n÷5 4029961.8

Exponentiation

ny
n2 406014802736481
n3 8.1811207263128E+21
n4 1.6484802004114E+29
n5 3.3216561178572E+36

Nth Root

y√n
2√n 4488.8538626246
3√n 272.11781678757
4√n 66.998909413696
5√n 28.897095070679

Divisors of 20149809

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20149808
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20149809 can be divided by 8 positive divisors. The sum of these divisors (counting 20149809) is 1, the average is 0.125.

Base conversion 20149809

Base System Value
2 Binary 1001100110111011000110001
3 Ternary 1101220201100020
4 Quaternary 1030313120301
5 Quinary 20124243214
6 Senary 1555514053
8 Octal 114673061
10 Decimal 20149809
12 Duodecimal 68b8929
16 Hexadecimal 1337631
20 Vigesimal 65iea9
36 Base36 bzvox

Cryptographic Hash Functions

md5 d6cca5e562d929131bdd846f6c3f626c
sha1 c37f0ad9722bc3b6f4450343b76ee500bc230cf2
sha256 d01609352bed4821077e3fa855c97525a46de1c56199c0012b191fd27e439b23
sha512 feb5fe14b187177a3753a8f00bc84de8c6c2cfd3f1bd300b473c7db632359ffd06399d971d7df0db8e17b4b1d838effaee640345100e9686eade1d38825d0d9e
ripemd-160 795a61dbed9af8ae058c61ff033f8148d41adaad

20149809 as geometric shapes

Circle

Radius = n
Diameter 40299618
Circumference 126604983.85127
Area 1.2755331215256E+15

Sphere

Radius = n
Volume 3.4268998362554E+22
Surface area 5.1021324861026E+15
Circumference 126604983.85127

Square

Length = n
Perimeter 80599236
Area 406014802736481
Diagonal 28496133.167027

Cube

Length = n
Surface area 2436088816418886
Volume 8.1811207263128E+21
Space diagonal 34900492.950809

Equilateral Triangle

Length = n
Perimeter 60449427
Area 1.7580956674116E+14
Altitude 17450246.475404

Triangular Pyramid

Length = n
Surface area 1.7580956674116E+14
Volume 9.6415432388026E+20
Height 9498711.0556758