20138904 (number)

20138904 is an even 8-digits composite number following 20138903 and preceding 20138905. In scientific notation, it is written as 2.0138904 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 16 positive divisors. There are 6712944 positive integers (up to 20138904) that are relatively prime to 20138904.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0138904 × 10^7
Engineering notation 2.0138904 × 10^6

Prime Factorization of 20138904

Prime Factorization 2 × 2 × 2 × 9 × 279707

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5034726
Product of the distinct prime numbers

The prime factorization of 20138904 is 2 × 2 × 2 × 9 × 279707. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 6, 75, 58, 806, 444, 8085, 1707, 73310, 67064, 34603, 325470, 9737635, 639628, 22088831, 26537098, 295103262, 487795649, 3902649187, 5395288358

Basic calculations (n = 20138904)

Multiplication

n×y
n×2 40277808
n×3 60416712
n×4 80555616
n×5 100694520

Division

n÷y
n÷2 10069452
n÷3 6712968
n÷3 5034726
n÷5 4027780.8

Exponentiation

ny
n2 405575454321216
n3 8.1678451393314E+21
n4 1.6449144914786E+29
n5 3.3126775032097E+36

Nth Root

y√n
2√n 4487.6390229162
3√n 272.06871822
4√n 66.989842684665
5√n 28.893966593767

Divisors of 20138904

1, 2, 4, 8, 9, 18, 36, 72, 279707, 559414, 1118828, 2237656, 2517363, 5034726, 10069452, 20138904

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 -20138903
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 20138904 can be divided by 16 positive divisors. The sum of these divisors (counting 20138904) is 1, the average is 0.0625.

Base conversion 20138904

Base System Value
2 Binary 1001100110100101110011000
3 Ternary 1101220011101100
4 Quaternary 1030310232120
5 Quinary 20123421104
6 Senary 1555351400
8 Octal 114645630
10 Decimal 20138904
12 Duodecimal 68b2560
16 Hexadecimal 1334b98
20 Vigesimal 65h754
36 Base36 bzna0

Cryptographic Hash Functions

md5 6918a1a654fa77abd3296815dc3a3058
sha1 d7b4fb5324f47c60dd150bb26127f10d3cfe3631
sha256 ec1c7a43376ce7bf6124e3b40199c7ae92b33a8b4f357def55ed22738cdbce3b
sha512 687654d2654df763283725a00357f09e337a4834ffc5c69d2091e51bf40d0809638f64027d300f1575018700b7ffedd4df42979d78e3a4a27194422fb187541e
ripemd-160 08552b173fdd17a5110a9a77c4b93115e9e3b000

20138904 as geometric shapes

Circle

Radius = n
Diameter 40277808
Circumference 126536465.7155
Area 1.2741528677719E+15

Sphere

Radius = n
Volume 3.4213389713843E+22
Surface area 5.0966114710875E+15
Circumference 126536465.7155

Square

Length = n
Perimeter 80555616
Area 405575454321216
Diagonal 28480711.16813

Cube

Length = n
Surface area 2433452725927296
Volume 8.1678451393314E+21
Space diagonal 34881604.936752

Equilateral Triangle

Length = n
Perimeter 60416712
Area 1.7561932329679E+14
Altitude 17440802.468376

Triangular Pyramid

Length = n
Surface area 1.7561932329679E+14
Volume 9.6258978095046E+20
Height 9493570.3893766