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

20808890 (number)

20808890 is an even 8-digits composite number following 20808889 and preceding 20808891. In scientific notation, it is written as 2.0808890 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 8323552 positive integers (up to 20808890) that are relatively prime to 20808890.

Interesting facts

20808890 has 8 divisors, whose sum is 37456020
The reverse of 20808890 is 09880802
Previous prime number is 5

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8

Name

Name	twenty million eight hundred eight thousand eight hundred ninety

Notation

Scientific notation	2.0808890 × 10^7
Engineering notation	2.0808890 × 10^6

Prime Factorization of 20808890

Prime Factorization 2 × 5 × 2080889

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20808890	Product of the distinct prime numbers

The prime factorization of 20808890 is 2 × 5 × 2080889. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 9, 54, 58, 581, 502, 9319, 8675, 6391, 93096, 881080, 294402, 504924, 8459631, 44072074, 39708847, 819169915, 180516340, 1867428871, 5059137715

Basic calculations (n = 20808890)

Multiplication

n×y

n×2	41617780
n×3	62426670
n×4	83235560
n×5	104044450

Division

n÷y

n÷2	10404445
n÷3	6936296.6666667
n÷3	5202222.5
n÷5	4161778

Exponentiation

n^y

n²	433009903032100
n³	9.0104554411056E+21
n⁴	1.8749757612387E+29
n⁵	3.9016164368282E+36

Nth Root

^y√n

²√n	4561.6762270025
³√n	275.05294848233
⁴√n	67.540182313957
⁵√n	29.083708482452

Divisors of 20808890

1, 2, 5, 10, 2080889, 4161778, 10404445, 20808890

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	-20808889	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 20808890 can be divided by 8 positive divisors. The sum of these divisors (counting 20808890) is 1, the average is 0.125.

Base conversion 20808890

Base	System	Value
2	Binary	1001111011000010010111010
3	Ternary	1110011012102122
4	Quaternary	1033120102322
5	Quinary	20311341030
6	Senary	2022001242
8	Octal	117302272
10	Decimal	20808890
12	Duodecimal	6b76222
16	Hexadecimal	13d84ba
20	Vigesimal	6a124a
36	Base36	ce08q

Cryptographic Hash Functions

md5	5afd2cc3ae957c74dcec0379cc6572b3
sha1	e8bf58f67db3fe538eb57feda74ca251bf6712d1
sha256	71956485fb0db55a8043a197c4cbd9a2858b0a0c3862b659195d2d51e4b52070
sha512	75d7a0cef415b4455ae38e0712850f4c9ed0a7a6354c08a2ff7d76e72321fb51b5045ca7840d88fc1b8e0dae20b4b7730365f02ed430c073d261e0f338dca386
ripemd-160	7adcc1f1ced4c3a72e4c6b810437013265637099

20808890 as geometric shapes

Circle

Radius = n

Diameter	41617780
Circumference	130746111.90672
Area	1.3603407302973E+15

Sphere

Radius = n

Volume	3.7742907492368E+22
Surface area	5.4413629211891E+15
Circumference	130746111.90672

Square

Length = n

Perimeter	83235560
Area	433009903032100
Diagonal	29428214.45593

Cube

Length = n

Surface area	2598059418192600
Volume	9.0104554411056E+21
Space diagonal	36042054.729112

Equilateral Triangle

Length = n

Perimeter	62426670
Area	1.8749878805802E+14
Altitude	18021027.364556

Triangular Pyramid

Length = n

Surface area	1.8749878805802E+14
Volume	1.0618923573308E+21
Height	9809404.8186433