20211909 (number)

20211909 is an odd 8-digits composite number following 20211908 and preceding 20211910. In scientific notation, it is written as 2.0211909 × 10^7. The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors. There are 13474604 positive integers (up to 20211909) that are relatively prime to 20211909.

Interesting facts

Basic properties

Name

Name twenty million two hundred eleven thousand nine hundred nine

Notation

Scientific notation 2.0211909 × 10^7
Engineering notation 2.0211909 × 10^6

Prime Factorization of 20211909

Prime Factorization 3 × 6737303

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20211909
Product of the distinct prime numbers

The prime factorization of 20211909 is 3 × 6737303. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 7, 41, 37, 200, 746, 967, 9628, 64834, 20365, 171652, 246402, 383891, 7306824, 57848537, 38285496, 299874449, 892696408, 8350354394, 1860737164

Basic calculations (n = 20211909)

Multiplication

n×y
n×2 40423818
n×3 60635727
n×4 80847636
n×5 101059545

Division

n÷y
n÷2 10105954.5
n÷3 6737303
n÷3 5052977.25
n÷5 4042381.8

Exponentiation

ny
n2 408521265424281
n3 8.2569946413204E+21
n4 1.6688962430386E+29
n5 3.3731578994737E+36

Nth Root

y√n
2√n 4495.7656744986
3√n 272.39707809726
4√n 67.05047109826
5√n 28.914884832114

Divisors of 20211909

1, 3, 6737303, 20211909

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20211908
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20211909 can be divided by 4 positive divisors. The sum of these divisors (counting 20211909) is 1, the average is 0.25.

Base conversion 20211909

Base System Value
2 Binary 1001101000110100011000101
3 Ternary 1102000212112020
4 Quaternary 1031012203011
5 Quinary 20133240114
6 Senary 2001113353
8 Octal 115064305
10 Decimal 20211909
12 Duodecimal 6928859
16 Hexadecimal 13468c5
20 Vigesimal 6669f9
36 Base36 c17lx

Cryptographic Hash Functions

md5 aa7f5f6bae8013c15102be47b2d7b5d5
sha1 0287a330c49366a179119978e373e8ae628620a6
sha256 05a5ddbf8f6e08b181989eff12aa2737296e127299af197e1f11cde715c0b60c
sha512 d325032baed8acd8b9d3ce533c87faf4b49498f76da59bd2f2613df5442b0e85e539adaa9639521b343a4b9bcf9e97c6b53053ab41cb4530446b866480e681c0
ripemd-160 abf5514b25d885f263d21c31182eee861a7cf80b

20211909 as geometric shapes

Circle

Radius = n
Diameter 40423818
Circumference 126995169.65885
Area 1.2834074062921E+15

Sphere

Radius = n
Volume 3.4586818274537E+22
Surface area 5.1336296251685E+15
Circumference 126995169.65885

Square

Length = n
Perimeter 80847636
Area 408521265424281
Diagonal 28583955.829251

Cube

Length = n
Surface area 2451127592545686
Volume 8.2569946413204E+21
Space diagonal 35008053.305959

Equilateral Triangle

Length = n
Perimeter 60635727
Area 1.768948969218E+14
Altitude 17504026.652979

Triangular Pyramid

Length = n
Surface area 1.768948969218E+14
Volume 9.7309615051644E+20
Height 9527985.2764169