20138638 (number)

20138638 is an even 8-digits composite number following 20138637 and preceding 20138639. In scientific notation, it is written as 2.0138638 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 9270720 positive integers (up to 20138638) that are relatively prime to 20138638.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0138638 × 10^7
Engineering notation 2.0138638 × 10^6

Prime Factorization of 20138638

Prime Factorization 2 × 13 × 523 × 1481

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20138638
Product of the distinct prime numbers

The prime factorization of 20138638 is 2 × 13 × 523 × 1481. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 8, 70, 63, 605, 928, 3015, 1095, 4037, 77766, 510843, 268715, 3799452, 2470901, 42121626, 40959871, 772434485, 586466673, 8820670251, 3804623335

Basic calculations (n = 20138638)

Multiplication

n×y
n×2 40277276
n×3 60415914
n×4 80554552
n×5 100693190

Division

n÷y
n÷2 10069319
n÷3 6712879.3333333
n÷3 5034659.5
n÷5 4027727.6

Exponentiation

ny
n2 405564740495044
n3 8.1675214943936E+21
n4 1.6448275873281E+29
n5 3.3124587353614E+36

Nth Root

y√n
2√n 4487.6093858535
3√n 272.06752036273
4√n 66.989621478655
5√n 28.893890265525

Divisors of 20138638

1, 2, 13, 26, 523, 1046, 1481, 2962, 6799, 13598, 19253, 38506, 774563, 1549126, 10069319, 20138638

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 -20138637
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 20138638 can be divided by 16 positive divisors. The sum of these divisors (counting 20138638) is 1, the average is 0.0625.

Base conversion 20138638

Base System Value
2 Binary 1001100110100101010001110
3 Ternary 1101220011000111
4 Quaternary 1030310222032
5 Quinary 20123414023
6 Senary 1555350234
8 Octal 114645216
10 Decimal 20138638
12 Duodecimal 68b237a
16 Hexadecimal 1334a8e
20 Vigesimal 65h6bi
36 Base36 bzn2m

Cryptographic Hash Functions

md5 1880351521c7e33893e6d56ce3d3f3b9
sha1 9f8e696ac1f505cf9e44173520e89aa136122b90
sha256 97b6766918051ed7a3243a950ad1f5e4027bf5e17fc3a001390f5de9fa4a9f11
sha512 bfd346cf11fb175fab6b30cb5978297576c6372ea1c27fdd6016d544f220a07aa5ba4078111a4c00c4beeb7d45a5fc987ad855e2bb0eff585d53f014e17a66b2
ripemd-160 fecd02c7abf9cbc985019252ae8afc9edc32c0f7

20138638 as geometric shapes

Circle

Radius = n
Diameter 40277276
Circumference 126534794.38821
Area 1.2741192092943E+15

Sphere

Radius = n
Volume 3.4212034033098E+22
Surface area 5.0964768371771E+15
Circumference 126534794.38821

Square

Length = n
Perimeter 80554552
Area 405564740495044
Diagonal 28480334.987322

Cube

Length = n
Surface area 2433388442970264
Volume 8.1675214943936E+21
Space diagonal 34881144.211237

Equilateral Triangle

Length = n
Perimeter 60415914
Area 1.7561468407398E+14
Altitude 17440572.105619

Triangular Pyramid

Length = n
Surface area 1.7561468407398E+14
Volume 9.6255163902877E+20
Height 9493444.9957741