Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

20138918 (number)

20138918 is an even 8-digits composite number following 20138917 and preceding 20138919. In scientific notation, it is written as 2.0138918 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 10069458 positive integers (up to 20138918) that are relatively prime to 20138918.

Interesting facts

20138918 has 4 divisors, whose sum is 30208380
The reverse of 20138918 is 81983102
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5

Name

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

Notation

Scientific notation	2.0138918 × 10^7
Engineering notation	2.0138918 × 10^6

Prime Factorization of 20138918

Prime Factorization 2 × 10069459

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20138918	Product of the distinct prime numbers

The prime factorization of 20138918 is 2 × 10069459. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 8, 67, 6, 579, 65, 4344, 393, 94517, 81234, 229623, 539567, 9814792, 5576004, 71976157, 77995192, 961890128, 158360874, 1648030502, 2349463225

Basic calculations (n = 20138918)

Multiplication

n×y

n×2	40277836
n×3	60416754
n×4	80555672
n×5	100694590

Division

n÷y

n÷2	10069459
n÷3	6712972.6666667
n÷3	5034729.5
n÷5	4027783.6

Exponentiation

n^y

n²	405576018210724
n³	8.1678621735123E+21
n⁴	1.6449190654767E+29
n⁵	3.3126890176271E+36

Nth Root

^y√n

²√n	4487.6405827562
³√n	272.06878126483
⁴√n	66.989854327026
⁵√n	28.893970611021

Divisors of 20138918

1, 2, 10069459, 20138918

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	-20138917	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 20138918 can be divided by 4 positive divisors. The sum of these divisors (counting 20138918) is 1, the average is 0.25.

Base conversion 20138918

Base	System	Value
2	Binary	1001100110100101110100110
3	Ternary	1101220011101212
4	Quaternary	1030310232212
5	Quinary	20123421133
6	Senary	1555351422
8	Octal	114645646
10	Decimal	20138918
12	Duodecimal	68b2572
16	Hexadecimal	1334ba6
20	Vigesimal	65h75i
36	Base36	bznae

Cryptographic Hash Functions

md5	3bc79dbca04bb627f653ee20b3d420b1
sha1	13ef6b11db06f35b2c8212f7875c12a1414c41fc
sha256	6d163d91f6bb4c906c809740206b91c860e01f48ded6f02bd1425a5234c0d015
sha512	e603f2406082bcb7237ec6b2cf8aaed09510b016263dab82e4032848564be349c760a155bdd72f8addb816e8041c24f57e40ea9dbe49792486196251d4d40212
ripemd-160	98bd830ef433507e057de2ede7c49e229d6363bd

20138918 as geometric shapes

Circle

Radius = n

Diameter	40277836
Circumference	126536553.68009
Area	1.274154639283E+15

Sphere

Radius = n

Volume	3.4213461066454E+22
Surface area	5.096618557132E+15
Circumference	126536553.68009

Square

Length = n

Perimeter	80555672
Area	405576018210724
Diagonal	28480730.96712

Cube

Length = n

Surface area	2433456109264344
Volume	8.1678621735123E+21
Space diagonal	34881629.185463

Equilateral Triangle

Length = n

Perimeter	60416754
Area	1.7561956746811E+14
Altitude	17440814.592732

Triangular Pyramid

Length = n

Surface area	1.7561956746811E+14
Volume	9.6259178844794E+20
Height	9493576.9890399