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

20409890 (number)

20409890 is an even 8-digits composite number following 20409889 and preceding 20409891. In scientific notation, it is written as 2.0409890 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 8163952 positive integers (up to 20409890) that are relatively prime to 20409890.

Interesting facts

20409890 has 8 divisors, whose sum is 36737820
The reverse of 20409890 is 09890402
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 four hundred nine thousand eight hundred ninety

Notation

Scientific notation	2.0409890 × 10^7
Engineering notation	2.0409890 × 10^6

Prime Factorization of 20409890

Prime Factorization 2 × 5 × 2040989

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20409890	Product of the distinct prime numbers

The prime factorization of 20409890 is 2 × 5 × 2040989. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 7, 83, 78, 601, 16, 9950, 6969, 37387, 66305, 330052, 811179, 6653614, 9127747, 31438790, 75361209, 392943896, 857009388, 8177983423, 7876383909

Basic calculations (n = 20409890)

Multiplication

n×y

n×2	40819780
n×3	61229670
n×4	81639560
n×5	102049450

Division

n÷y

n÷2	10204945
n÷3	6803296.6666667
n÷3	5102472.5
n÷5	4081978

Exponentiation

n^y

n²	416563609812100
n³	8.5020174542679E+21
n⁴	1.7352524101969E+29
n⁵	3.5416310814353E+36

Nth Root

^y√n

²√n	4517.730624993
³√n	273.28359032666
⁴√n	67.214065678197
⁵√n	28.97130997393

Divisors of 20409890

1, 2, 5, 10, 2040989, 4081978, 10204945, 20409890

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	-20409889	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 20409890 can be divided by 8 positive divisors. The sum of these divisors (counting 20409890) is 1, the average is 0.125.

Base conversion 20409890

Base	System	Value
2	Binary	1001101110110111000100010
3	Ternary	1102101221002212
4	Quaternary	1031312320202
5	Quinary	20211104030
6	Senary	2005242122
8	Octal	115667042
10	Decimal	20409890
12	Duodecimal	6a03342
16	Hexadecimal	1376e22
20	Vigesimal	67b4ea
36	Base36	c5gde

Cryptographic Hash Functions

md5	e242fc1941a7b7334905251f7d5936d0
sha1	dcc19ddcad1f9b7d89e21e0fbe025982e02b13e1
sha256	99617bf34d676fd897c540a1922b9f32d1af87eae8470110e659974d8f77861c
sha512	7711cf28ade6d72b5d4ad03d1c5d87008ba14f5b120b3d98a9d7869778e7a54d1d0422d84fbec335a111fb2b6d4cf249ad7347a66611b4dda9ae0fb0a1f3854b
ripemd-160	49d0117816f7a3f0bae5a31f3fccf63e09bea216

20409890 as geometric shapes

Circle

Radius = n

Diameter	40819780
Circumference	128239120.96915
Area	1.3086731763385E+15

Sphere

Radius = n

Volume	3.561316743336E+22
Surface area	5.2346927053542E+15
Circumference	128239120.96915

Square

Length = n

Perimeter	81639560
Area	416563609812100
Diagonal	28863943.244543

Cube

Length = n

Surface area	2499381658872600
Volume	8.5020174542679E+21
Space diagonal	35350966.456892

Equilateral Triangle

Length = n

Perimeter	61229670
Area	1.8037733419471E+14
Altitude	17675483.228446

Triangular Pyramid

Length = n

Surface area	1.8037733419471E+14
Volume	1.0019723659465E+21
Height	9621314.4148477