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

20390638 (number)

20390638 is an even 8-digits composite number following 20390637 and preceding 20390639. In scientific notation, it is written as 2.0390638 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 10195318 positive integers (up to 20390638) that are relatively prime to 20390638.

Interesting facts

20390638 has 4 divisors, whose sum is 30585960
The reverse of 20390638 is 83609302
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	twenty million three hundred ninety thousand six hundred thirty-eight

Notation

Scientific notation	2.0390638 × 10^7
Engineering notation	2.0390638 × 10^6

Prime Factorization of 20390638

Prime Factorization 2 × 10195319

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20390638	Product of the distinct prime numbers

The prime factorization of 20390638 is 2 × 10195319. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 10, 26, 41, 425, 374, 7022, 556, 55346, 5271, 166462, 468733, 7201138, 8425559, 31187827, 11213598, 433624954, 392936567, 8103007989, 4926277209

Basic calculations (n = 20390638)

Multiplication

n×y

n×2	40781276
n×3	61171914
n×4	81562552
n×5	101953190

Division

n÷y

n÷2	10195319
n÷3	6796879.3333333
n÷3	5097659.5
n÷5	4078127.6

Exponentiation

n^y

n²	415778118047044
n³	8.4779810934185E+21
n⁴	1.7287144344674E+29
n⁵	3.52495902386E+36

Nth Root

^y√n

²√n	4515.5994065019
³√n	273.19763672269
⁴√n	67.198209845961
⁵√n	28.965842367548

Divisors of 20390638

1, 2, 10195319, 20390638

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	-20390637	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 20390638 can be divided by 4 positive divisors. The sum of these divisors (counting 20390638) is 1, the average is 0.25.

Base conversion 20390638

Base	System	Value
2	Binary	1001101110010001011101110
3	Ternary	1102100221200211
4	Quaternary	1031302023232
5	Quinary	20210000023
6	Senary	2005013034
8	Octal	115621356
10	Decimal	20390638
12	Duodecimal	69b417a
16	Hexadecimal	13722ee
20	Vigesimal	678gbi
36	Base36	c51im

Cryptographic Hash Functions

md5	704251a972a1d1199ea7fc30ae9fc790
sha1	7e5768920fc4c20aead0b7c07d6871282de24535
sha256	a46e303b8d1a15d9df7ea85efd1078917b3cf988485e18ac72dd961ee438d923
sha512	c8c13a001e7972f7302e30f9f451c6b1f6f396c255d86c48b001fadb9bc753933f955940423ebcea7faf361449f44d342e96706b2767286706c7b4914d65a88e
ripemd-160	abb2fb48c1ffc917d97db23466e447e1c5d8ba8c

20390638 as geometric shapes

Circle

Radius = n

Diameter	40781276
Circumference	128118157.08562
Area	1.30620548118E+15

Sphere

Radius = n

Volume	3.5512484160476E+22
Surface area	5.2248219247199E+15
Circumference	128118157.08562

Square

Length = n

Perimeter	81562552
Area	415778118047044
Diagonal	28836716.80504

Cube

Length = n

Surface area	2494668708282264
Volume	8.4779810934185E+21
Space diagonal	35317621.014745

Equilateral Triangle

Length = n

Perimeter	61171914
Area	1.8003720628321E+14
Altitude	17658810.507372

Triangular Pyramid

Length = n

Surface area	1.8003720628321E+14
Volume	9.991396536546E+20
Height	9612238.9350134