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

20138990 (number)

20138990 is an even 8-digits composite number following 20138989 and preceding 20138991. In scientific notation, it is written as 2.0138990 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 8055592 positive integers (up to 20138990) that are relatively prime to 20138990.

Interesting facts

20138990 has 8 divisors, whose sum is 36250200
The reverse of 20138990 is 09983102
Previous prime number is 5

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 ninety

Notation

Scientific notation	2.0138990 × 10^7
Engineering notation	2.0138990 × 10^6

Prime Factorization of 20138990

Prime Factorization 2 × 5 × 2013899

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20138990	Product of the distinct prime numbers

The prime factorization of 20138990 is 2 × 5 × 2013899. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 1, 24, 69, 420, 86, 8790, 9942, 40663, 99238, 863917, 929643, 4374709, 9574852, 42941016, 83282906, 653961003, 538179341, 6577302688, 7820810094

Basic calculations (n = 20138990)

Multiplication

n×y

n×2	40277980
n×3	60416970
n×4	80555960
n×5	100694950

Division

n÷y

n÷2	10069495
n÷3	6712996.6666667
n÷3	5034747.5
n÷5	4027798

Exponentiation

n^y

n²	405578918220100
n³	8.1679497782454E+21
n⁴	1.6449425890459E+29
n⁵	3.3127482351369E+36

Nth Root

^y√n

²√n	4487.6486047818
³√n	272.06910549491
⁴√n	66.989914201929
⁵√n	28.893991271147

Divisors of 20138990

1, 2, 5, 10, 2013899, 4027798, 10069495, 20138990

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20138989	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20138990 can be divided by 8 positive divisors. The sum of these divisors (counting 20138990) is 1, the average is 0.125.

Base conversion 20138990

Base	System	Value
2	Binary	1001100110100101111101110
3	Ternary	1101220011111112
4	Quaternary	1030310233232
5	Quinary	20123421430
6	Senary	1555352022
8	Octal	114645756
10	Decimal	20138990
12	Duodecimal	68b2612
16	Hexadecimal	1334bee
20	Vigesimal	65h79a
36	Base36	bznce

Cryptographic Hash Functions

md5	1ca3a4e632ea95cdb511f442526f1718
sha1	db44f2360f23628511ebe56027a4f8eadef8ecd9
sha256	c49b415cd1109d6dc63dafcafe96608d375f1951bfe7c484f74bcf1acf9312a3
sha512	9b64d0d53e056c70d92e77d56e12f960bd8a6338c75cff18659ee41dfa42b578e2a1a612f43619b2c1268ec74b8adb496fdb56f021211144d8fab5a5864bfc6e
ripemd-160	e670d059bed852620c4539a40500afa3df5c5840

20138990 as geometric shapes

Circle

Radius = n

Diameter	40277980
Circumference	126537006.06944
Area	1.2741637499312E+15

Sphere

Radius = n

Volume	3.4213828024302E+22
Surface area	5.0966549997246E+15
Circumference	126537006.06944

Square

Length = n

Perimeter	80555960
Area	405578918220100
Diagonal	28480832.790496

Cube

Length = n

Surface area	2433473509320600
Volume	8.1679497782454E+21
Space diagonal	34881753.893122

Equilateral Triangle

Length = n

Perimeter	60416970
Area	1.7562082320901E+14
Altitude	17440876.946561

Triangular Pyramid

Length = n

Surface area	1.7562082320901E+14
Volume	9.6260211276475E+20
Height	9493610.9301654