20021855 (number)

20021855 is an odd 8-digits composite number following 20021854 and preceding 20021856. In scientific notation, it is written as 2.0021855 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 13729248 positive integers (up to 20021855) that are relatively prime to 20021855.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0021855 × 10^7
Engineering notation 2.0021855 × 10^6

Prime Factorization of 20021855

Prime Factorization 35 × 572053

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20021855
Product of the distinct prime numbers

The prime factorization of 20021855 is 35 × 572053. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20021855)

Multiplication

n×y
n×2 40043710
n×3 60065565
n×4 80087420
n×5 100109275

Division

n÷y
n÷2 10010927.5
n÷3 6673951.6666667
n÷3 5005463.75
n÷5 4004371

Exponentiation

ny
n2 400874677641025
n3 8.0262546689003E+21
n4 1.607005071738E+29
n5 3.2175222530602E+36

Nth Root

y√n
2√n 4474.5787511228
3√n 271.54059832866
4√n 66.892292165262
5√n 28.860301404868

Divisors of 20021855

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 -20021854
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 20021855 can be divided by 4 positive divisors. The sum of these divisors (counting 20021855) is 1, the average is 0.25.

Base conversion 20021855

Base System Value
2 Binary 1001100011000001001011111
3 Ternary 1101200012211012
4 Quaternary 1030120021133
5 Quinary 20111144410
6 Senary 1553045435
8 Octal 114301137
10 Decimal 20021855
12 Duodecimal 685687b
16 Hexadecimal 131825f
20 Vigesimal 652ecf
36 Base36 bx4yn

Cryptographic Hash Functions

md5 79fc4fdbdcb34abf1cd7aa1701761f01
sha1 33335af35534ec43fc8becdd950c1d2e9794a9e5
sha256 bc54de622eee6849aecd358ff71794aeb45c10f440c91be9c3c076bb4a676338
sha512 bce022aa75e665cada44240cc4a125196b2b0c81e0a090398a7a54c3fe401636a11c8cd22e52a539ab0c052dc2089f2bb89e0086772379fed77effb0ed08f8b9
ripemd-160 0246f82ab4ad93670a7a527c4112cce0594430d1

20021855 as geometric shapes

Circle

Radius = n
Diameter 40043710
Circumference 125801025.15848
Area 1.2593849422872E+15

Sphere

Radius = n
Volume 3.3620296938211E+22
Surface area 5.0375397691489E+15
Circumference 125801025.15848

Square

Length = n
Perimeter 80087420
Area 400874677641025
Diagonal 28315178.884868

Cube

Length = n
Surface area 2405248065846150
Volume 8.0262546689003E+21
Space diagonal 34678870.121777

Equilateral Triangle

Length = n
Perimeter 60065565
Area 1.7358382728551E+14
Altitude 17339435.060888

Triangular Pyramid

Length = n
Surface area 1.7358382728551E+14
Volume 9.4590318398494E+20
Height 9438392.9616225