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

20405855 (number)

20405855 is an odd 8-digits composite number following 20405854 and preceding 20405856. In scientific notation, it is written as 2.0405855 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 16080768 positive integers (up to 20405855) that are relatively prime to 20405855.

Interesting facts

20405855 has 8 divisors, whose sum is 24852912
The reverse of 20405855 is 55850402
Previous prime number is 67

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

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

Notation

Scientific notation	2.0405855 × 10^7
Engineering notation	2.0405855 × 10^6

Prime Factorization of 20405855

Prime Factorization 5 × 67 × 60913

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20405855	Product of the distinct prime numbers

The prime factorization of 20405855 is 5 × 67 × 60913. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 2, 59, 54, 377, 388, 3246, 9557, 92680, 4191, 630106, 626447, 3134895, 7509764, 13176443, 38765072, 134925883, 569357731, 6405174074, 8529416739

Basic calculations (n = 20405855)

Multiplication

n×y

n×2	40811710
n×3	61217565
n×4	81623420
n×5	102029275

Division

n÷y

n÷2	10202927.5
n÷3	6801951.6666667
n÷3	5101463.75
n÷5	4081171

Exponentiation

n^y

n²	416398918281025
n³	8.4969759485994E+21
n⁴	1.7338805914561E+29
n⁵	3.5381315936567E+36

Nth Root

^y√n

²√n	4517.2840291485
³√n	273.26557990848
⁴√n	67.210743405712
⁵√n	28.970164367744

Divisors of 20405855

1, 5, 67, 335, 60913, 304565, 4081171, 20405855

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	-20405854	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 20405855 can be divided by 8 positive divisors. The sum of these divisors (counting 20405855) is 1, the average is 0.125.

Base conversion 20405855

Base	System	Value
2	Binary	1001101110101111001011111
3	Ternary	1102101201120102
4	Quaternary	1031311321133
5	Quinary	20210441410
6	Senary	2005211315
8	Octal	115657137
10	Decimal	20405855
12	Duodecimal	6a00b3b
16	Hexadecimal	1375e5f
20	Vigesimal	67aecf
36	Base36	c5d9b

Cryptographic Hash Functions

md5	15309d2a831053ef58f78b989a638978
sha1	b2d5b3c4dcaab0d2fec611ed40434ba05126891a
sha256	75713df7fd4a98618e10d5b4d72b1e9385e92f6624a97750b2738c129a0512fa
sha512	d9347ab31cd9a4b4b4ba2cea8e59a601eb9ae6198bd1ec4ea4f355087d52da8cd01f4d23c20ece38e16327dae6e881b479762ec2b1faa5e447695877ea5d371f
ripemd-160	155a4960f2d9b5ad2219c4daaacb8e84d503a298

20405855 as geometric shapes

Circle

Radius = n

Diameter	40811710
Circumference	128213768.31644
Area	1.3081557826344E+15

Sphere

Radius = n

Volume	3.5592049623799E+22
Surface area	5.2326231305376E+15
Circumference	128213768.31644

Square

Length = n

Perimeter	81623420
Area	416398918281025
Diagonal	28858236.892819

Cube

Length = n

Surface area	2498393509686150
Volume	8.4969759485994E+21
Space diagonal	35343977.631883

Equilateral Triangle

Length = n

Perimeter	61217565
Area	1.8030602066986E+14
Altitude	17671988.815942

Triangular Pyramid

Length = n

Surface area	1.8030602066986E+14
Volume	1.0013782188056E+21
Height	9619412.2976063