20921379 (number)

20921379 is an odd 8-digits composite number following 20921378 and preceding 20921380. In scientific notation, it is written as 2.0921379 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 13684320 positive integers (up to 20921379) that are relatively prime to 20921379.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand three hundred seventy-nine

Notation

Scientific notation 2.0921379 × 10^7
Engineering notation 2.0921379 × 10^6

Prime Factorization of 20921379

Prime Factorization 3 × 53 × 131581

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20921379
Product of the distinct prime numbers

The prime factorization of 20921379 is 3 × 53 × 131581. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20921379)

Multiplication

n×y
n×2 41842758
n×3 62764137
n×4 83685516
n×5 104606895

Division

n÷y
n÷2 10460689.5
n÷3 6973793
n÷3 5230344.75
n÷5 4184275.8

Exponentiation

ny
n2 437704099261641
n3 9.1573733505064E+21
n4 1.9158487851044E+29
n5 4.008219853986E+36

Nth Root

y√n
2√n 4573.9893965771
3√n 275.54768647196
4√n 67.631275284273
5√n 29.115084936295

Divisors of 20921379

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 -20921378
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 20921379 can be divided by 8 positive divisors. The sum of these divisors (counting 20921379) is 1, the average is 0.125.

Base conversion 20921379

Base System Value
2 Binary 1001111110011110000100011
3 Ternary 1110100220201220
4 Quaternary 1033303300203
5 Quinary 20323441004
6 Senary 2024230123
8 Octal 117636043
10 Decimal 20921379
12 Duodecimal 700b343
16 Hexadecimal 13f3c23
20 Vigesimal 6af38j
36 Base36 cgf1f

Cryptographic Hash Functions

md5 1ab12c8935ff0ce1002ec119d15b466b
sha1 8ccd41db725fd688b8f966d327793e5415a326f9
sha256 b71bec12ef00eec472ebc3c91b6b84747e0700aa9fef0f149e685e8ad975f39a
sha512 1a7bb39bb9e131255b96cd0ff85ce28980bbad29c3cf9fb19500e06c5b35c1e040ad77e211ad303cf216d454398c0641172bd485c6f8ee35a865a18d5010ea31
ripemd-160 40cca54134f0c612b588753abf447713309a8cca

20921379 as geometric shapes

Circle

Radius = n
Diameter 41842758
Circumference 131452901.13874
Area 1.3750879826865E+15

Sphere

Radius = n
Volume 3.8358315792173E+22
Surface area 5.500351930746E+15
Circumference 131452901.13874

Square

Length = n
Perimeter 83685516
Area 437704099261641
Diagonal 29587297.925348

Cube

Length = n
Surface area 2626224595569846
Volume 9.1573733505064E+21
Space diagonal 36236891.392405

Equilateral Triangle

Length = n
Perimeter 62764137
Area 1.8953143465058E+14
Altitude 18118445.696202

Triangular Pyramid

Length = n
Surface area 1.8953143465058E+14
Volume 1.079206799E+21
Height 9862432.6417826