20421807 (number)

20421807 is an odd 8-digits composite number following 20421806 and preceding 20421808. In scientific notation, it is written as 2.0421807 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 11626272 positive integers (up to 20421807) that are relatively prime to 20421807.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0421807 × 10^7
Engineering notation 2.0421807 × 10^6

Prime Factorization of 20421807

Prime Factorization 3 × 7 × 293 × 3319

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20421807
Product of the distinct prime numbers

The prime factorization of 20421807 is 3 × 7 × 293 × 3319. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 6, 87, 6, 776, 470, 3311, 5908, 50387, 65378, 180595, 350271, 9590686, 6355737, 87624259, 55456397, 688425997, 577167803, 3990122080, 4244197109

Basic calculations (n = 20421807)

Multiplication

n×y
n×2 40843614
n×3 61265421
n×4 81687228
n×5 102109035

Division

n÷y
n÷2 10210903.5
n÷3 6807269
n÷3 5105451.75
n÷5 4084361.4

Exponentiation

ny
n2 417050201145249
n3 8.5169187170995E+21
n4 1.7393087027529E+29
n5 3.5519826641041E+36

Nth Root

y√n
2√n 4519.0493469313
3√n 273.33676858
4√n 67.223874828302
5√n 28.974692358594

Divisors of 20421807

1, 3, 7, 21, 293, 879, 2051, 3319, 6153, 9957, 23233, 69699, 972467, 2917401, 6807269, 20421807

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20421806
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20421807 can be divided by 16 positive divisors. The sum of these divisors (counting 20421807) is 1, the average is 0.0625.

Base conversion 20421807

Base System Value
2 Binary 1001101111001110010101111
3 Ternary 1102102112110020
4 Quaternary 1031321302233
5 Quinary 20211444212
6 Senary 2005413223
8 Octal 115716257
10 Decimal 20421807
12 Duodecimal 6a0a213
16 Hexadecimal 1379caf
20 Vigesimal 67cea7
36 Base36 c5pkf

Cryptographic Hash Functions

md5 917b2c03fd43eecefb46df8b627e129f
sha1 8e9d283e62ec01a6596ba9206c7789061cb3bbca
sha256 067ec39818920b809449f2c7c70c8732b77262b0e748ebc0c5a111a2e89deb62
sha512 d0044b574a431245a50afcce9f6daad372d143bc955aa31840ab87fb7dc2d052bbc23c4177d96146f3f6f15414439690687d237709bd8dba32a0025a3c20a9e0
ripemd-160 6c31dd4622a117068315c31a05063daf3070bbb0

20421807 as geometric shapes

Circle

Radius = n
Diameter 40843614
Circumference 128313997.68846
Area 1.3102018480961E+15

Sphere

Radius = n
Volume 3.5675585697148E+22
Surface area 5.2408073923842E+15
Circumference 128313997.68846

Square

Length = n
Perimeter 81687228
Area 417050201145249
Diagonal 28880796.427566

Cube

Length = n
Surface area 2502301206871494
Volume 8.5169187170995E+21
Space diagonal 35371607.306366

Equilateral Triangle

Length = n
Perimeter 61265421
Area 1.805880344226E+14
Altitude 17685803.653183

Triangular Pyramid

Length = n
Surface area 1.805880344226E+14
Volume 1.0037284966126E+21
Height 9626932.1425219