20921211 (number)

20921211 is an odd 8-digits composite number following 20921210 and preceding 20921212. In scientific notation, it is written as 2.0921211 × 10^7. The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors. There are 13885200 positive integers (up to 20921211) that are relatively prime to 20921211.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand two hundred eleven

Notation

Scientific notation 2.0921211 × 10^7
Engineering notation 2.0921211 × 10^6

Prime Factorization of 20921211

Prime Factorization 9 × 229 × 10151

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20921211
Product of the distinct prime numbers

The prime factorization of 20921211 is 9 × 229 × 10151. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20921211)

Multiplication

n×y
n×2 41842422
n×3 62763633
n×4 83684844
n×5 104606055

Division

n÷y
n÷2 10460605.5
n÷3 6973737
n÷3 5230302.75
n÷5 4184242.2

Exponentiation

ny
n2 437697069706521
n3 9.1571527494118E+21
n4 1.9157872482968E+29
n5 4.0080589252726E+36

Nth Root

y√n
2√n 4573.9710318278
3√n 275.54694891486
4√n 67.631139513007
5√n 29.115038176949

Divisors of 20921211

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 -20921210
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 20921211 can be divided by 8 positive divisors. The sum of these divisors (counting 20921211) is 1, the average is 0.125.

Base conversion 20921211

Base System Value
2 Binary 1001111110011101101111011
3 Ternary 1110100220111200
4 Quaternary 1033303231323
5 Quinary 20323434321
6 Senary 2024225243
8 Octal 117635573
10 Decimal 20921211
12 Duodecimal 700b223
16 Hexadecimal 13f3b7b
20 Vigesimal 6af30b
36 Base36 cgewr

Cryptographic Hash Functions

md5 3f52418233baaf72f2504bbb32a81cfb
sha1 3b3a73546230f8eeaf70ea702688d39cf508cc22
sha256 a713f0773deaae3be8a59c3c3db42d0c3c7b7bbb12dd51d34f5af05457716bef
sha512 88bcc1023f75c0732b6c80b978b916c3884ffb0a37918a695a00ad319f88d2ca0fba03e4be5540ef05a7d761e86d327acecde8683edfd13d4b4654341f07627d
ripemd-160 82a30804c3b261da6ee3993b33669f4c68a3bca6

20921211 as geometric shapes

Circle

Radius = n
Diameter 41842422
Circumference 131451845.5636
Area 1.3750658986878E+15

Sphere

Radius = n
Volume 3.8357391740469E+22
Surface area 5.5002635947511E+15
Circumference 131451845.5636

Square

Length = n
Perimeter 83684844
Area 437697069706521
Diagonal 29587060.337469

Cube

Length = n
Surface area 2626182418239126
Volume 9.1571527494118E+21
Space diagonal 36236600.407869

Equilateral Triangle

Length = n
Perimeter 62763633
Area 1.8952839076393E+14
Altitude 18118300.203934

Triangular Pyramid

Length = n
Surface area 1.8952839076393E+14
Volume 1.0791808009117E+21
Height 9862353.4458231