20854821 (number)

20854821 is an odd 8-digits composite number following 20854820 and preceding 20854822. In scientific notation, it is written as 2.0854821 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 12833712 positive integers (up to 20854821) that are relatively prime to 20854821.

Interesting facts

Basic properties

Name

Name twenty million eight hundred fifty-four thousand eight hundred twenty-one

Notation

Scientific notation 2.0854821 × 10^7
Engineering notation 2.0854821 × 10^6

Prime Factorization of 20854821

Prime Factorization 3 × 13 × 534739

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20854821
Product of the distinct prime numbers

The prime factorization of 20854821 is 3 × 13 × 534739. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20854821)

Multiplication

n×y
n×2 41709642
n×3 62564463
n×4 83419284
n×5 104274105

Division

n÷y
n÷2 10427410.5
n÷3 6951607
n÷3 5213705.25
n÷5 4170964.2

Exponentiation

ny
n2 434923558942041
n3 9.0702529704192E+21
n4 1.8915850212281E+29
n5 3.9448667023993E+36

Nth Root

y√n
2√n 4566.707895191
3√n 275.25517251856
4√n 67.577421489659
5√n 29.096536326153

Divisors of 20854821

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 -20854820
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 20854821 can be divided by 8 positive divisors. The sum of these divisors (counting 20854821) is 1, the average is 0.125.

Base conversion 20854821

Base System Value
2 Binary 1001111100011100000100101
3 Ternary 1110020112102210
4 Quaternary 1033203200211
5 Quinary 20314323241
6 Senary 2022554033
8 Octal 117434045
10 Decimal 20854821
12 Duodecimal 6b98919
16 Hexadecimal 13e3825
20 Vigesimal 6a6h11
36 Base36 cezol

Cryptographic Hash Functions

md5 6816feeba0d1862a6ccc4158a3c787c6
sha1 745f9d309466bc87cbbb5e5dd7fb99ff3b3cd061
sha256 04fc372886b2840709a0128b7520c848e0c7f80c799677fd29798a4e413b5348
sha512 10a6b54a68849be5d19c9e62186fcab1910130eb723c6501365fb51c35d6c8489d824362dc65e279347b016bc37313e0ea10fdb032637d67b64103f8808b03b3
ripemd-160 1d0347b4f9bfe484ba72654ca22efd6ea0b07b91

20854821 as geometric shapes

Circle

Radius = n
Diameter 41709642
Circumference 131034704.89106
Area 1.3663526576454E+15

Sphere

Radius = n
Volume 3.7993386797427E+22
Surface area 5.4654106305818E+15
Circumference 131034704.89106

Square

Length = n
Perimeter 83419284
Area 434923558942041
Diagonal 29493170.699063

Cube

Length = n
Surface area 2609541353652246
Volume 9.0702529704192E+21
Space diagonal 36121609.554754

Equilateral Triangle

Length = n
Perimeter 62564463
Area 1.8832742537407E+14
Altitude 18060804.777377

Triangular Pyramid

Length = n
Surface area 1.8832742537407E+14
Volume 1.0689395637435E+21
Height 9831056.8996877