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

20155438 (number)

20155438 is an even 8-digits composite number following 20155437 and preceding 20155439. In scientific notation, it is written as 2.0155438 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 9484640 positive integers (up to 20155438) that are relatively prime to 20155438.

Interesting facts

20155438 has 8 divisors, whose sum is 30338640
The reverse of 20155438 is 83455102
Previous prime number is 289

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1

Name

Name	twenty million one hundred fifty-five thousand four hundred thirty-eight

Notation

Scientific notation	2.0155438 × 10^7
Engineering notation	2.0155438 × 10^6

Prime Factorization of 20155438

Prime Factorization 2 × 289 × 34871

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20155438	Product of the distinct prime numbers

The prime factorization of 20155438 is 2 × 289 × 34871. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 1, 89, 55, 532, 48, 1680, 8049, 77834, 607, 466823, 733144, 7461026, 7783628, 29947888, 15764220, 517151230, 875135591, 6821660316, 2746344117

Basic calculations (n = 20155438)

Multiplication

n×y

n×2	40310876
n×3	60466314
n×4	80621752
n×5	100777190

Division

n÷y

n÷2	10077719
n÷3	6718479.3333333
n÷3	5038859.5
n÷5	4031087.6

Exponentiation

n^y

n²	406241680971844
n³	8.1879790138438E+21
n⁴	1.6503230335883E+29
n⁵	3.3262983583461E+36

Nth Root

^y√n

²√n	4489.4808163083
³√n	272.14315381149
⁴√n	67.003588085328
⁵√n	28.898709414268

Divisors of 20155438

1, 2, 289, 578, 34871, 69742, 10077719, 20155438

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	-20155437	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 20155438 can be divided by 8 positive divisors. The sum of these divisors (counting 20155438) is 1, the average is 0.125.

Base conversion 20155438

Base	System	Value
2	Binary	1001100111000110000101110
3	Ternary	1101221000001201
4	Quaternary	1030320300232
5	Quinary	20124433223
6	Senary	2000000114
8	Octal	114706056
10	Decimal	20155438
12	Duodecimal	690003a
16	Hexadecimal	1338c2e
20	Vigesimal	65j8bi
36	Base36	c001a

Cryptographic Hash Functions

md5	30c2b0747f3ba120ba99c9d5d8d2c70f
sha1	6394f34343f70e4ef0cddac94f53236452914f1d
sha256	b28b62d601256d08e5230a724af127ddf184f4be1c959b8e05775b5bff876b61
sha512	e72f310f249fd39c372a422f57378f0db53204d342deb6753e0160fef61bc068a7f13a59f68ee5ec14d1d762f91c4037a87bf9787e1bd08364aacc18ca46c378
ripemd-160	e134155e93f3ec43f8f1ddfae76a2c6b79c05922

20155438 as geometric shapes

Circle

Radius = n

Diameter	40310876
Circumference	126640351.90137
Area	1.2762458805231E+15

Sphere

Radius = n

Volume	3.4297726290185E+22
Surface area	5.1049835220925E+15
Circumference	126640351.90137

Square

Length = n

Perimeter	80621752
Area	406241680971844
Diagonal	28504093.77517

Cube

Length = n

Surface area	2437450085831064
Volume	8.1879790138438E+21
Space diagonal	34910242.664804

Equilateral Triangle

Length = n

Perimeter	60466314
Area	1.7590780789886E+14
Altitude	17455121.332402

Triangular Pyramid

Length = n

Surface area	1.7590780789886E+14
Volume	9.6496258081701E+20
Height	9501364.5917234