20121438 (number)

20121438 is an even 8-digits composite number following 20121437 and preceding 20121439. In scientific notation, it is written as 2.0121438 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 6312576 positive integers (up to 20121438) that are relatively prime to 20121438.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0121438 × 10^7
Engineering notation 2.0121438 × 10^6

Prime Factorization of 20121438

Prime Factorization 2 × 3 × 17 × 197269

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20121438
Product of the distinct prime numbers

The prime factorization of 20121438 is 2 × 3 × 17 × 197269. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 5, 78, 40, 684, 400, 5063, 4648, 17870, 76203, 746218, 536284, 6480940, 1480960, 1256999, 22248059, 509759044, 621839151, 355875486, 4439752510

Basic calculations (n = 20121438)

Multiplication

n×y
n×2 40242876
n×3 60364314
n×4 80485752
n×5 100607190

Division

n÷y
n÷2 10060719
n÷3 6707146
n÷3 5030359.5
n÷5 4024287.6

Exponentiation

ny
n2 404872267187844
n3 8.1466122221396E+21
n4 1.6392155273782E+29
n5 3.2983373602779E+36

Nth Root

y√n
2√n 4485.6925886645
3√n 271.99004252763
4√n 66.975313277838
5√n 28.888953042044

Divisors of 20121438

1, 2, 3, 6, 17, 34, 51, 102, 197269, 394538, 591807, 1183614, 3353573, 6707146, 10060719, 20121438

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 -20121437
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 20121438 can be divided by 16 positive divisors. The sum of these divisors (counting 20121438) is 1, the average is 0.0625.

Base conversion 20121438

Base System Value
2 Binary 1001100110000011101011110
3 Ternary 1101212021102110
4 Quaternary 1030300131132
5 Quinary 20122341223
6 Senary 1555134450
8 Octal 114603536
10 Decimal 20121438
12 Duodecimal 68a4426
16 Hexadecimal 133075e
20 Vigesimal 65f3bi
36 Base36 bz9su

Cryptographic Hash Functions

md5 3997810a4901fa9c441e8156e62e820e
sha1 492233a615118acd3ab59c2ce90b94bf2f1c1fd9
sha256 f8aedd90a342462ba2a485b2441d8b67d952a2ae53856d8436d88ca943346d02
sha512 1aa321992bd02d3e6522eee1cb0b747056d037a5461887dce29cb660d903cb2867bcbec7094ab82eded12f521ab582b2516c9782c825d552279ce414665cac1c
ripemd-160 f8e3322f4eb8f7c662c14ce9287a59c792ab22eb

20121438 as geometric shapes

Circle

Radius = n
Diameter 40242876
Circumference 126426723.60092
Area 1.2719437402396E+15

Sphere

Radius = n
Volume 3.4124449478292E+22
Surface area 5.0877749609583E+15
Circumference 126426723.60092

Square

Length = n
Perimeter 80485752
Area 404872267187844
Diagonal 28456010.514049

Cube

Length = n
Surface area 2429233603127064
Volume 8.1466122221396E+21
Space diagonal 34851352.937347

Equilateral Triangle

Length = n
Perimeter 60364314
Area 1.7531483433624E+14
Altitude 17425676.468674

Triangular Pyramid

Length = n
Surface area 1.7531483433624E+14
Volume 9.6008745766202E+20
Height 9485336.8380165