20421880 (number)

20421880 is an even 8-digits composite number following 20421879 and preceding 20421881. In scientific notation, it is written as 2.0421880 × 10^7. The sum of its digits is 25. It has a total of 6 prime factors and 32 positive divisors. There are 8107776 positive integers (up to 20421880) that are relatively prime to 20421880.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0421880 × 10^7
Engineering notation 2.0421880 × 10^6

Prime Factorization of 20421880

Prime Factorization 2 × 2 × 2 × 5 × 139 × 3673

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5105470
Product of the distinct prime numbers

The prime factorization of 20421880 is 2 × 2 × 2 × 5 × 139 × 3673. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 2, 28, 70, 3, 118, 4885, 6143, 58956, 6179, 226289, 494345, 6281115, 2712962, 12375530, 47386367, 115033992, 586504387, 351856742, 6528945462

Basic calculations (n = 20421880)

Multiplication

n×y
n×2 40843760
n×3 61265640
n×4 81687520
n×5 102109400

Division

n÷y
n÷2 10210940
n÷3 6807293.3333333
n÷3 5105470
n÷5 4084376

Exponentiation

ny
n2 417053182734400
n3 8.51701005142E+21
n4 1.7393335722889E+29
n5 3.5520461493256E+36

Nth Root

y√n
2√n 4519.057423844
3√n 273.33709427041
4√n 67.223934903009
5√n 28.97471307321

Divisors of 20421880

1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 3673, 5560, 7346, 14692, 18365, 29384, 36730, 73460, 146920, 510547, 1021094, 2042188, 2552735, 4084376, 5105470, 10210940, 20421880

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20421879
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20421880 can be divided by 32 positive divisors. The sum of these divisors (counting 20421880) is 1, the average is 0.03125.

Base conversion 20421880

Base System Value
2 Binary 1001101111001110011111000
3 Ternary 1102102112112221
4 Quaternary 1031321303320
5 Quinary 20212000010
6 Senary 2005413424
8 Octal 115716370
10 Decimal 20421880
12 Duodecimal 6a0a274
16 Hexadecimal 1379cf8
20 Vigesimal 67cee0
36 Base36 c5pmg

Cryptographic Hash Functions

md5 4ed8c857e0ce8654239cb25c0d1a323d
sha1 6b649c5c777e3edf1a1655f036995cb6b71abc4c
sha256 a8d93f0e7893a088c39e9ca36bdb39a4c35881b0a8bfa9f17acfdb5224acb3e6
sha512 4c3d4433d7052c61a6cb83b2e4dc6e4a1351cec22b72ec42e02c497b7c8581b0efec46aa40d8c81b3c03f173fdd866695654b8b489ba2196de541c18c2b9e8e1
ripemd-160 130e3acf7585be54cf40e138d12a68a14a291b27

20421880 as geometric shapes

Circle

Radius = n
Diameter 40843760
Circumference 128314456.36098
Area 1.3102112150346E+15

Sphere

Radius = n
Volume 3.5675968277455E+22
Surface area 5.2408448601385E+15
Circumference 128314456.36098

Square

Length = n
Perimeter 81687520
Area 417053182734400
Diagonal 28880899.665156

Cube

Length = n
Surface area 2502319096406400
Volume 8.51701005142E+21
Space diagonal 35371733.746075

Equilateral Triangle

Length = n
Perimeter 61265640
Area 1.8058932548857E+14
Altitude 17685866.873037

Triangular Pyramid

Length = n
Surface area 1.8058932548857E+14
Volume 1.0037392604655E+21
Height 9626966.555052