20021807 (number)

20021807 is an odd 8-digits composite number following 20021806 and preceding 20021808. In scientific notation, it is written as 2.0021807 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 18425088 positive integers (up to 20021807) that are relatively prime to 20021807.

Interesting facts

Basic properties

Name

Name twenty million twenty-one thousand eight hundred seven

Notation

Scientific notation 2.0021807 × 10^7
Engineering notation 2.0021807 × 10^6

Prime Factorization of 20021807

Prime Factorization 13 × 353 × 4363

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20021807
Product of the distinct prime numbers

The prime factorization of 20021807 is 13 × 353 × 4363. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20021807)

Multiplication

n×y
n×2 40043614
n×3 60065421
n×4 80087228
n×5 100109035

Division

n÷y
n÷2 10010903.5
n÷3 6673935.6666667
n÷3 5005451.75
n÷5 4004361.4

Exponentiation

ny
n2 400872755545249
n3 8.0261969430852E+21
n4 1.6069896613844E+29
n5 3.2174836851234E+36

Nth Root

y√n
2√n 4474.5733874862
3√n 271.54038133313
4√n 66.892252073661
5√n 28.860287567032

Divisors of 20021807

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 -20021806
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 20021807 can be divided by 8 positive divisors. The sum of these divisors (counting 20021807) is 1, the average is 0.125.

Base conversion 20021807

Base System Value
2 Binary 1001100011000001000101111
3 Ternary 1101200012202102
4 Quaternary 1030120020233
5 Quinary 20111144212
6 Senary 1553045315
8 Octal 114301057
10 Decimal 20021807
12 Duodecimal 685683b
16 Hexadecimal 131822f
20 Vigesimal 652ea7
36 Base36 bx4xb

Cryptographic Hash Functions

md5 968cd5880999fe77788c3e2fec55bed2
sha1 e300840dd698efb901199b22dd489124ce70c3b1
sha256 c5daeae292473f217c43a5162758472e0132919a5d858a3f32c9920fe8105fe9
sha512 43638076d73e3cc0bb82f12e544f32061f47f578b514496c2f3df97254e93b2fea699f7e7b37abb9a32d84204a823d55c9742a83d454985359101a179a0b1561
ripemd-160 2862bb8efe059f148a3cf6055c9279d4414d5b5b

20021807 as geometric shapes

Circle

Radius = n
Diameter 40043614
Circumference 125800723.56559
Area 1.2593789038453E+15

Sphere

Radius = n
Volume 3.3620055136882E+22
Surface area 5.037515615381E+15
Circumference 125800723.56559

Square

Length = n
Perimeter 80087228
Area 400872755545249
Diagonal 28315111.002617

Cube

Length = n
Surface area 2405236533271494
Volume 8.0261969430852E+21
Space diagonal 34678786.983338

Equilateral Triangle

Length = n
Perimeter 60065421
Area 1.7358299499363E+14
Altitude 17339393.491669

Triangular Pyramid

Length = n
Surface area 1.7358299499363E+14
Volume 9.4589638093238E+20
Height 9438370.3342055