20421912 (number)

20421912 is an even 8-digits composite number following 20421911 and preceding 20421913. In scientific notation, it is written as 2.0421912 × 10^7. The sum of its digits is 21. It has a total of 6 prime factors and 32 positive divisors. There are 5834784 positive integers (up to 20421912) that are relatively prime to 20421912.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0421912 × 10^7
Engineering notation 2.0421912 × 10^6

Prime Factorization of 20421912

Prime Factorization 2 × 2 × 2 × 3 × 7 × 121559

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5105478
Product of the distinct prime numbers

The prime factorization of 20421912 is 2 × 2 × 2 × 3 × 7 × 121559. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20421912)

Multiplication

n×y
n×2 40843824
n×3 61265736
n×4 81687648
n×5 102109560

Division

n÷y
n÷2 10210956
n÷3 6807304
n÷3 5105478
n÷5 4084382.4

Exponentiation

ny
n2 417054489735744
n3 8.5170500885883E+21
n4 1.7393444740874E+29
n5 3.55207397875E+36

Nth Root

y√n
2√n 4519.060964404
3√n 273.33723703857
4√n 67.223961237077
5√n 28.974722153571

Divisors of 20421912

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 -20421911
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 20421912 can be divided by 32 positive divisors. The sum of these divisors (counting 20421912) is 1, the average is 0.03125.

Base conversion 20421912

Base System Value
2 Binary 1001101111001110100011000
3 Ternary 1102102112121010
4 Quaternary 1031321310120
5 Quinary 20212000122
6 Senary 2005413520
8 Octal 115716430
10 Decimal 20421912
12 Duodecimal 6a0a2a0
16 Hexadecimal 1379d18
20 Vigesimal 67cefc
36 Base36 c5pnc

Cryptographic Hash Functions

md5 26fe26c9f25748a95c67bd367300d445
sha1 0d337d02270f6fd9dd7b6bfc9f9937598dddd345
sha256 8e4665bc77d4933424a3be87aaeeb3570b4593445f7e68866f07e290226a49eb
sha512 4a057a71bdf2fcd85f33672178696116146898977d54ce51a76dc61b54a7f86b5dfed7c8c0c8f5bc436c285af36eea4086768d0885ac9912d4a22c8225747900
ripemd-160 f8aee069f8ecb458c457e181b165465be33ae2ed

20421912 as geometric shapes

Circle

Radius = n
Diameter 40843824
Circumference 128314657.42291
Area 1.3102153211005E+15

Sphere

Radius = n
Volume 3.5676135984754E+22
Surface area 5.2408612844018E+15
Circumference 128314657.42291

Square

Length = n
Perimeter 81687648
Area 417054489735744
Diagonal 28880944.91999

Cube

Length = n
Surface area 2502326938414464
Volume 8.5170500885883E+21
Space diagonal 35371789.171701

Equilateral Triangle

Length = n
Perimeter 61265736
Area 1.8058989143676E+14
Altitude 17685894.58585

Triangular Pyramid

Length = n
Surface area 1.8058989143676E+14
Volume 1.003743978891E+21
Height 9626981.6399966