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

20189988 (number)

20189988 is an even 8-digits composite number following 20189987 and preceding 20189989. In scientific notation, it is written as 2.0189988 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors. There are 5323968 positive integers (up to 20189988) that are relatively prime to 20189988.

Interesting facts

20189988 has 24 divisors, whose sum is 38660608
The reverse of 20189988 is 88998102
Previous prime number is 13

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9

Name

Name	twenty million one hundred eighty-nine thousand nine hundred eighty-eight

Notation

Scientific notation	2.0189988 × 10^7
Engineering notation	2.0189988 × 10^6

Prime Factorization of 20189988

Prime Factorization 2 × 2 × 63 × 13 × 6163

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	5	Total number of prime factors
rad	Radical	10094994	Product of the distinct prime numbers

The prime factorization of 20189988 is 2 × 2 × 63 × 13 × 6163. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 7, 88, 5, 554, 749, 7481, 9140, 38879, 57757, 94900, 132860, 1919647, 3107674, 7290668, 4189096, 510732178, 940854523, 6324163420, 7400584806

Basic calculations (n = 20189988)

Multiplication

n×y

n×2	40379976
n×3	60569964
n×4	80759952
n×5	100949940

Division

n÷y

n÷2	10094994
n÷3	6729996
n÷3	5047497
n÷5	4037997.6

Exponentiation

n^y

n²	407635615440144
n³	8.2301581841091E+21
n⁴	1.6616679497526E+29
n⁵	3.3549055965491E+36

Nth Root

^y√n

²√n	4493.327052419
³√n	272.29856560871
⁴√n	67.032283658092
⁵√n	28.908610131931

Divisors of 20189988

1, 2, 4, 13, 26, 52, 63, 126, 252, 819, 1638, 3276, 6163, 12326, 24652, 80119, 160238, 320476, 388269, 776538, 1553076, 5047497, 10094994, 20189988

24 divisors

τ	Total Divisors	24	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20189987	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.041666666666667	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	24	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20189988 can be divided by 24 positive divisors. The sum of these divisors (counting 20189988) is 1, the average is 0.041666666666667.

Base conversion 20189988

Base	System	Value
2	Binary	1001101000001001100100100
3	Ternary	1101222202110100
4	Quaternary	1031001030210
5	Quinary	20132034423
6	Senary	2000424100
8	Octal	115011444
10	Decimal	20189988
12	Duodecimal	6918030
16	Hexadecimal	1341324
20	Vigesimal	663ej8
36	Base36	c0qp0

Cryptographic Hash Functions

md5	89aa5375351f570cc0b3a088ff80ca36
sha1	5f6dc9fd3033a494b9db96c6000d2f7fb3b960bd
sha256	8836dd86246daceaf01ee59ae7c61bfe8a2cf4535833feb8955c3481e5a7daf2
sha512	a47bfcd42ea0dc65187548d5a2e1869c5d0f6cc8608b8b4754f0f29df16fc78e4e52330fe46d629a81ab3762ce67ffe1f5bd533d7e2075bbe0d0f6f454515963
ripemd-160	f062b017ee1d7182176ce50ae43b2d156789f82a

20189988 as geometric shapes

Circle

Radius = n

Diameter	40379976
Circumference	126857435.95373
Area	1.2806250548083E+15

Sphere

Radius = n

Volume	3.4474405985439E+22
Surface area	5.1225002192332E+15
Circumference	126857435.95373

Square

Length = n

Perimeter	80759952
Area	407635615440144
Diagonal	28552954.85375

Cube

Length = n

Surface area	2445813692640864
Volume	8.2301581841091E+21
Space diagonal	34970085.020206

Equilateral Triangle

Length = n

Perimeter	60569964
Area	1.7651139922923E+14
Altitude	17485042.510103

Triangular Pyramid

Length = n

Surface area	1.7651139922923E+14
Volume	9.6993344370359E+20
Height	9517651.6179167