20021857 (number)

20021857 is an odd 8-digits composite number following 20021856 and preceding 20021858. In scientific notation, it is written as 2.0021857 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 20006676 positive integers (up to 20021857) that are relatively prime to 20021857.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0021857 × 10^7
Engineering notation 2.0021857 × 10^6

Prime Factorization of 20021857

Prime Factorization 1459 × 13723

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20021857
Product of the distinct prime numbers

The prime factorization of 20021857 is 1459 × 13723. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20021857)

Multiplication

n×y
n×2 40043714
n×3 60065571
n×4 80087428
n×5 100109285

Division

n÷y
n÷2 10010928.5
n÷3 6673952.3333333
n÷3 5005464.25
n÷5 4004371.4

Exponentiation

ny
n2 400874757728449
n3 8.0262570741487E+21
n4 1.6070057138384E+29
n5 3.2175238600656E+36

Nth Root

y√n
2√n 4474.5789746076
3√n 271.54060737013
4√n 66.892293835744
5√n 28.860301981444

Divisors of 20021857

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 -20021856
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 20021857 can be divided by 4 positive divisors. The sum of these divisors (counting 20021857) is 1, the average is 0.25.

Base conversion 20021857

Base System Value
2 Binary 1001100011000001001100001
3 Ternary 1101200012211021
4 Quaternary 1030120021201
5 Quinary 20111144412
6 Senary 1553045441
8 Octal 114301141
10 Decimal 20021857
12 Duodecimal 6856881
16 Hexadecimal 1318261
20 Vigesimal 652ech
36 Base36 bx4yp

Cryptographic Hash Functions

md5 4979885111551b295cdf7084f90cfe4a
sha1 2961374a64ebb9d043735d4a4c59d04185dbe355
sha256 5e0fd262f73e9bc671683b32191eaa9a4f9df2240cf9f7f6e371aafb249b4112
sha512 be96d40811ee12f2739b26c57edc27d2dffded894b5723a5bee22e873a08a7b3df57f7e291c3f9689d6e59d9aadba4a2a5979fa2c2201f9b4ce048eba5d23e64
ripemd-160 af94e9b5caa0a495d2bd50ef70293c00a045128a

20021857 as geometric shapes

Circle

Radius = n
Diameter 40043714
Circumference 125801037.72485
Area 1.2593851938893E+15

Sphere

Radius = n
Volume 3.3620307013291E+22
Surface area 5.0375407755571E+15
Circumference 125801037.72485

Square

Length = n
Perimeter 80087428
Area 400874757728449
Diagonal 28315181.713295

Cube

Length = n
Surface area 2405248546370694
Volume 8.0262570741487E+21
Space diagonal 34678873.585879

Equilateral Triangle

Length = n
Perimeter 60065571
Area 1.7358386196438E+14
Altitude 17339436.792939

Triangular Pyramid

Length = n
Surface area 1.7358386196438E+14
Volume 9.4590346744617E+20
Height 9438393.9044316