20421907 (number)

20421907 is an odd 8-digits composite number following 20421906 and preceding 20421908. In scientific notation, it is written as 2.0421907 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 17411680 positive integers (up to 20421907) that are relatively prime to 20421907.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0421907 × 10^7
Engineering notation 2.0421907 × 10^6

Prime Factorization of 20421907

Prime Factorization 583 × 23 × 1523

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20421907
Product of the distinct prime numbers

The prime factorization of 20421907 is 583 × 23 × 1523. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20421907)

Multiplication

n×y
n×2 40843814
n×3 61265721
n×4 81687628
n×5 102109535

Division

n÷y
n÷2 10210953.5
n÷3 6807302.3333333
n÷3 5105476.75
n÷5 4084381.4

Exponentiation

ny
n2 417054285516649
n3 8.5170438327725E+21
n4 1.739342770678E+29
n5 3.5520696303909E+36

Nth Root

y√n
2√n 4519.0604111917
3√n 273.33721473106
4√n 67.223957122381
5√n 28.974720734766

Divisors of 20421907

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 -20421906
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 20421907 can be divided by 8 positive divisors. The sum of these divisors (counting 20421907) is 1, the average is 0.125.

Base conversion 20421907

Base System Value
2 Binary 1001101111001110100010011
3 Ternary 1102102112120221
4 Quaternary 1031321310103
5 Quinary 20212000112
6 Senary 2005413511
8 Octal 115716423
10 Decimal 20421907
12 Duodecimal 6a0a297
16 Hexadecimal 1379d13
20 Vigesimal 67cef7
36 Base36 c5pn7

Cryptographic Hash Functions

md5 c526e1a588f0445cee60f8f04c75e988
sha1 7da4bcca816391526a5f38dde7722347f3a9ac06
sha256 db09ad28ba3e3b2cb961c01fc1acd438faf4e5b736a4045e9778ea57158a1651
sha512 0be6afb0d515db5bef8815f9285d666c73be931613088e332ec3aa14c11c08a7c5b9c6d55055922aaf38d70b79332b0dad95760b7e339171268be1395daa621b
ripemd-160 f9447784f07323f2701d70758d3c9cff4d7187b1

20421907 as geometric shapes

Circle

Radius = n
Diameter 40843814
Circumference 128314626.00699
Area 1.3102146795272E+15

Sphere

Radius = n
Volume 3.5676109780454E+22
Surface area 5.240858718109E+15
Circumference 128314626.00699

Square

Length = n
Perimeter 81687628
Area 417054285516649
Diagonal 28880937.848922

Cube

Length = n
Surface area 2502325713099894
Volume 8.5170438327725E+21
Space diagonal 35371780.511447

Equilateral Triangle

Length = n
Perimeter 61265721
Area 1.8058980300729E+14
Altitude 17685890.255723

Triangular Pyramid

Length = n
Surface area 1.8058980300729E+14
Volume 1.0037432416361E+21
Height 9626979.282974