20421207 (number)

20421207 is an odd 8-digits composite number following 20421206 and preceding 20421208. In scientific notation, it is written as 2.0421207 × 10^7. The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors. There are 13577112 positive integers (up to 20421207) that are relatively prime to 20421207.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0421207 × 10^7
Engineering notation 2.0421207 × 10^6

Prime Factorization of 20421207

Prime Factorization 9 × 3 × 1579 × 479

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20421207
Product of the distinct prime numbers

The prime factorization of 20421207 is 9 × 3 × 1579 × 479. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20421207)

Multiplication

n×y
n×2 40842414
n×3 61263621
n×4 81684828
n×5 102106035

Division

n÷y
n÷2 10210603.5
n÷3 6807069
n÷3 5105301.75
n÷5 4084241.4

Exponentiation

ny
n2 417025695336849
n3 8.5161680487927E+21
n4 1.7391043057118E+29
n5 3.5514609021532E+36

Nth Root

y√n
2√n 4518.9829607999
3√n 273.33409164308
4√n 67.223381057486
5√n 28.974522099226

Divisors of 20421207

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 -20421206
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 20421207 can be divided by 16 positive divisors. The sum of these divisors (counting 20421207) is 1, the average is 0.0625.

Base conversion 20421207

Base System Value
2 Binary 1001101111001101001010111
3 Ternary 1102102111122000
4 Quaternary 1031321221113
5 Quinary 20211434312
6 Senary 2005410343
8 Octal 115715127
10 Decimal 20421207
12 Duodecimal 6a099b3
16 Hexadecimal 1379a57
20 Vigesimal 67cd07
36 Base36 c5p3r

Cryptographic Hash Functions

md5 754cc582b48265e4c7951225cf6cb0e2
sha1 cb7d2478a025a1c36ddd9c24668db0eeaf59200e
sha256 3ac9c20acd2234754f38d6d26368284dabd97ade872808883561edeb28c2d89f
sha512 5edee569e4de993dd920a7d25f0e032b348c75e0610d91695452e4e445f17ebfbc5384c3ccfe5341e8531ca270b2859d3277574d81d705d0118182d604858bf2
ripemd-160 6b7e3c1c3d255f0dd5dd4727b25519e8edda646f

20421207 as geometric shapes

Circle

Radius = n
Diameter 40842414
Circumference 128310227.77727
Area 1.3101248608284E+15

Sphere

Radius = n
Volume 3.5672441305098E+22
Surface area 5.2404994433137E+15
Circumference 128310227.77727

Square

Length = n
Perimeter 81684828
Area 417025695336849
Diagonal 28879947.899428

Cube

Length = n
Surface area 2502154172021094
Volume 8.5161680487927E+21
Space diagonal 35370568.075881

Equilateral Triangle

Length = n
Perimeter 61263621
Area 1.8057742309629E+14
Altitude 17685284.037941

Triangular Pyramid

Length = n
Surface area 1.8057742309629E+14
Volume 1.0036400295043E+21
Height 9626649.2998095