20021881 (number)

20021881 is an odd 8-digits composite number following 20021880 and preceding 20021882. In scientific notation, it is written as 2.0021881 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 18201700 positive integers (up to 20021881) that are relatively prime to 20021881.

Interesting facts

Basic properties

Name

Name twenty million twenty-one thousand eight hundred eighty-one

Notation

Scientific notation 2.0021881 × 10^7
Engineering notation 2.0021881 × 10^6

Prime Factorization of 20021881

Prime Factorization 11 × 1820171

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20021881
Product of the distinct prime numbers

The prime factorization of 20021881 is 11 × 1820171. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20021881)

Multiplication

n×y
n×2 40043762
n×3 60065643
n×4 80087524
n×5 100109405

Division

n÷y
n÷2 10010940.5
n÷3 6673960.3333333
n÷3 5005470.25
n÷5 4004376.2

Exponentiation

ny
n2 400875718778161
n3 8.0262859371658E+21
n4 1.6070134190591E+29
n5 3.2175431441804E+36

Nth Root

y√n
2√n 4474.5816564233
3√n 271.54071586776
4√n 66.892313881516
5√n 28.860308900352

Divisors of 20021881

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 -20021880
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 20021881 can be divided by 4 positive divisors. The sum of these divisors (counting 20021881) is 1, the average is 0.25.

Base conversion 20021881

Base System Value
2 Binary 1001100011000001001111001
3 Ternary 1101200012212011
4 Quaternary 1030120021321
5 Quinary 20111200011
6 Senary 1553045521
8 Octal 114301171
10 Decimal 20021881
12 Duodecimal 68568a1
16 Hexadecimal 1318279
20 Vigesimal 652ee1
36 Base36 bx4zd

Cryptographic Hash Functions

md5 a08d0e60d8ede043b0db98d205140015
sha1 c90e887032a80d34808496aab5e5f6944bf453bb
sha256 1be4d35e9b484f8ba5e39d77bc97dd71f52e42827d64f6f14bfee70c2afe15da
sha512 f7a5ea3aa5b1aef016dee9beb6f3b0e47224d510f0e7af62bc5a1c64cfae380789d62e712c697e03748303ebfdd281bdd634b3e680aa8d1808e6f1901d50482c
ripemd-160 e54ef3751b2158895ae4295522d8ac24df8c53bd

20021881 as geometric shapes

Circle

Radius = n
Diameter 40043762
Circumference 125801188.5213
Area 1.259388213116E+15

Sphere

Radius = n
Volume 3.3620427914415E+22
Surface area 5.037552852464E+15
Circumference 125801188.5213

Square

Length = n
Perimeter 80087524
Area 400875718778161
Diagonal 28315215.65442

Cube

Length = n
Surface area 2405254312668966
Volume 8.0262859371658E+21
Space diagonal 34678915.155098

Equilateral Triangle

Length = n
Perimeter 60065643
Area 1.7358427811112E+14
Altitude 17339457.577549

Triangular Pyramid

Length = n
Surface area 1.7358427811112E+14
Volume 9.4590686898536E+20
Height 9438405.2181401