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

20421898 (number)

20421898 is an even 8-digits composite number following 20421897 and preceding 20421899. In scientific notation, it is written as 2.0421898 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 8752236 positive integers (up to 20421898) that are relatively prime to 20421898.

Interesting facts

20421898 has 8 divisors, whose sum is 35008992
The reverse of 20421898 is 89812402
Previous prime number is 7

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7

Name

Name	twenty million four hundred twenty-one thousand eight hundred ninety-eight

Notation

Scientific notation	2.0421898 × 10^7
Engineering notation	2.0421898 × 10^6

Prime Factorization of 20421898

Prime Factorization 2 × 7 × 1458707

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20421898	Product of the distinct prime numbers

The prime factorization of 20421898 is 2 × 7 × 1458707. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 6, 84, 79, 793, 153, 8728, 8115, 90209, 64776, 115225, 840902, 3982210, 8489528, 24714329, 50592458, 826245509, 584024032, 7939116890, 7432480018

Basic calculations (n = 20421898)

Multiplication

n×y

n×2	40843796
n×3	61265694
n×4	81687592
n×5	102109490

Division

n÷y

n÷2	10210949
n÷3	6807299.3333333
n÷3	5105474.5
n÷5	4084379.6

Exponentiation

n^y

n²	417053917922404
n³	8.5170325723117E+21
n⁴	1.7393397045443E+29
n⁵	3.5520618033553E+36

Nth Root

^y√n

²√n	4519.0594154094
³√n	273.33717457752
⁴√n	67.223949715926
⁵√n	28.974718180915

Divisors of 20421898

1, 2, 7, 14, 1458707, 2917414, 10210949, 20421898

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	-20421897	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 20421898 can be divided by 8 positive divisors. The sum of these divisors (counting 20421898) is 1, the average is 0.125.

Base conversion 20421898

Base	System	Value
2	Binary	1001101111001110100001010
3	Ternary	1102102112120121
4	Quaternary	1031321310022
5	Quinary	20212000043
6	Senary	2005413454
8	Octal	115716412
10	Decimal	20421898
12	Duodecimal	6a0a28a
16	Hexadecimal	1379d0a
20	Vigesimal	67ceei
36	Base36	c5pmy

Cryptographic Hash Functions

md5	5a460da7db74ffc412763e4376706c4c
sha1	65c2493a3246b5c9c2f5916952fa6a69a56211f1
sha256	26c4abb4051608ccdbd51354c274076bf3dd1ea4571cc59f6181d8f35e50a52d
sha512	d0edbb1dc910fbe14dc21c239e121c07b9125669290549562635b106cb8181cf9f9ed5817d87c5ac651171c00e6cbd0626577d4c33ce9f66c0582f1dbb6fc28d
ripemd-160	3e5f9048418d5750e8cec3a228df4206896cdbd8

20421898 as geometric shapes

Circle

Radius = n

Diameter	40843796
Circumference	128314569.45832
Area	1.3102135246959E+15

Sphere

Radius = n

Volume	3.5676062612746E+22
Surface area	5.2408540987835E+15
Circumference	128314569.45832

Square

Length = n

Perimeter	81687592
Area	417053917922404
Diagonal	28880925.121

Cube

Length = n

Surface area	2502323507534424
Volume	8.5170325723117E+21
Space diagonal	35371764.922989

Equilateral Triangle

Length = n

Perimeter	61265694
Area	1.8058964383432E+14
Altitude	17685882.461495

Triangular Pyramid

Length = n

Surface area	1.8058964383432E+14
Volume	1.0037419145781E+21
Height	9626975.0403333