20021438 (number)

20021438 is an even 8-digits composite number following 20021437 and preceding 20021439. In scientific notation, it is written as 2.0021438 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 10010718 positive integers (up to 20021438) that are relatively prime to 20021438.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0021438 × 10^7
Engineering notation 2.0021438 × 10^6

Prime Factorization of 20021438

Prime Factorization 2 × 10010719

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20021438
Product of the distinct prime numbers

The prime factorization of 20021438 is 2 × 10010719. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 7, 33, 10, 364, 101, 7248, 9616, 80001, 16496, 147328, 137035, 1543114, 1092609, 75333851, 88200049, 679954746, 629157393, 8708845391, 1887781419

Basic calculations (n = 20021438)

Multiplication

n×y
n×2 40042876
n×3 60064314
n×4 80085752
n×5 100107190

Division

n÷y
n÷2 10010719
n÷3 6673812.6666667
n÷3 5005359.5
n÷5 4004287.6

Exponentiation

ny
n2 400857979587844
n3 8.0257531851233E+21
n4 1.6068711979925E+29
n5 3.2171872064592E+36

Nth Root

y√n
2√n 4474.5321543151
3√n 271.5387131684
4√n 66.891943867069
5√n 28.860181187776

Divisors of 20021438

1, 2, 10010719, 20021438

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20021437
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20021438 can be divided by 4 positive divisors. The sum of these divisors (counting 20021438) is 1, the average is 0.25.

Base conversion 20021438

Base System Value
2 Binary 1001100011000000010111110
3 Ternary 1101200012020202
4 Quaternary 1030120002332
5 Quinary 20111141223
6 Senary 1553043502
8 Octal 114300276
10 Decimal 20021438
12 Duodecimal 6856592
16 Hexadecimal 13180be
20 Vigesimal 652dbi
36 Base36 bx4n2

Cryptographic Hash Functions

md5 4a8c5d34cfc1c849aee771ec71401e91
sha1 ae50b9217df3a7f41f9d4a8c823bc10689e19cfd
sha256 6852d8393dfd1b118c6d1b859f8b6aafe620bd3d1402d74fbaf3afb2531e9b4e
sha512 cf7eada5e8b9fc8b076c7190490f928b733e5551195bf20fc93f046b1aa5b52da74f1e849e7839699f6dc12ddcdd7b684d0fffe0026626e6bf1383e48e62c2fb
ripemd-160 b5e424f8be4f28f9afbba1532a17c34d88346a93

20021438 as geometric shapes

Circle

Radius = n
Diameter 40042876
Circumference 125798405.07021
Area 1.259332483806E+15

Sphere

Radius = n
Volume 3.3618196327878E+22
Surface area 5.0373299352241E+15
Circumference 125798405.07021

Square

Length = n
Perimeter 80085752
Area 400857979587844
Diagonal 28314589.157812

Cube

Length = n
Surface area 2405147877527064
Volume 8.0257531851233E+21
Space diagonal 34678147.85659

Equilateral Triangle

Length = n
Perimeter 60064314
Area 1.7357659681639E+14
Altitude 17339073.928295

Triangular Pyramid

Length = n
Surface area 1.7357659681639E+14
Volume 9.4584408355503E+20
Height 9438196.3859374