20621894 (number)

20621894 is an even 8-digits composite number following 20621893 and preceding 20621895. In scientific notation, it is written as 2.0621894 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 10304280 positive integers (up to 20621894) that are relatively prime to 20621894.

Interesting facts

Basic properties

Name

Name twenty million six hundred twenty-one thousand eight hundred ninety-four

Notation

Scientific notation 2.0621894 × 10^7
Engineering notation 2.0621894 × 10^6

Prime Factorization of 20621894

Prime Factorization 2 × 4231 × 2437

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20621894
Product of the distinct prime numbers

The prime factorization of 20621894 is 2 × 4231 × 2437. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20621894)

Multiplication

n×y
n×2 41243788
n×3 61865682
n×4 82487576
n×5 103109470

Division

n÷y
n÷2 10310947
n÷3 6873964.6666667
n÷3 5155473.5
n÷5 4124378.8

Exponentiation

ny
n2 425262512147236
n3 8.769718447674E+21
n4 1.8084820423778E+29
n5 3.7294324978818E+36

Nth Root

y√n
2√n 4541.1335589256
3√n 274.22656062011
4√n 67.387933333243
5√n 29.031248286196

Divisors of 20621894

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 -20621893
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 20621894 can be divided by 8 positive divisors. The sum of these divisors (counting 20621894) is 1, the average is 0.125.

Base conversion 20621894

Base System Value
2 Binary 1001110101010101001000110
3 Ternary 1102210200220212
4 Quaternary 1032222221012
5 Quinary 20234400034
6 Senary 2013555422
8 Octal 116525106
10 Decimal 20621894
12 Duodecimal 6aa5b72
16 Hexadecimal 13aaa46
20 Vigesimal 68heee
36 Base36 c9zye

Cryptographic Hash Functions

md5 e7741741170a554cfbb593475eb8f183
sha1 7d50eecf385eb90d9ef86fa4968bb88839839b45
sha256 0fe9396941969602acdd1503950cf7ab7950fca07c992de04f7bd8810c7a22bd
sha512 adcc7be3291d61f1aa112f3e709e026b12cd70b1a6550a01381f7222471af3afefc5926ca69a858c0949cde7ce543c89e219e87049b55df91001a4edbcaf0a13
ripemd-160 cf8b3616e19510bf1bb1b952a5aed2bfaa690117

20621894 as geometric shapes

Circle

Radius = n
Diameter 41243788
Circumference 129571181.38701
Area 1.3360015840089E+15

Sphere

Radius = n
Volume 3.6734510732351E+22
Surface area 5.3440063360356E+15
Circumference 129571181.38701

Square

Length = n
Perimeter 82487576
Area 425262512147236
Diagonal 29163762.17662

Cube

Length = n
Surface area 2551575072883416
Volume 8.769718447674E+21
Space diagonal 35718168.1563

Equilateral Triangle

Length = n
Perimeter 61865682
Area 1.8414406939835E+14
Altitude 17859084.07815

Triangular Pyramid

Length = n
Surface area 1.8414406939835E+14
Volume 1.0335212305745E+21
Height 9721254.0588735