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

20809997 (number)

20809997 is an odd 8-digits composite number following 20809996 and preceding 20809998. In scientific notation, it is written as 2.0809997 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 18055872 positive integers (up to 20809997) that are relatively prime to 20809997.

Interesting facts

20809997 has 8 divisors, whose sum is 21058176
The reverse of 20809997 is 79990802
Previous prime number is 487

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8

Name

Name	twenty million eight hundred nine thousand nine hundred ninety-seven

Notation

Scientific notation	2.0809997 × 10^7
Engineering notation	2.0809997 × 10^6

Prime Factorization of 20809997

Prime Factorization 247 × 487 × 173

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20809997	Product of the distinct prime numbers

The prime factorization of 20809997 is 247 × 487 × 173. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 7, 43, 97, 783, 672, 3097, 3732, 83849, 73191, 902032, 212645, 8514228, 9017630, 54398604, 32068174, 900392933, 811195152, 5599221074, 5873061699

Basic calculations (n = 20809997)

Multiplication

n×y

n×2	41619994
n×3	62429991
n×4	83239988
n×5	104049985

Division

n÷y

n÷2	10404998.5
n÷3	6936665.6666667
n÷3	5202499.25
n÷5	4161999.4

Exponentiation

n^y

n²	433055975140009
n³	9.0118935434957E+21
n⁴	1.8753747760446E+29
n⁵	3.9026543463365E+36

Nth Root

^y√n

²√n	4561.7975623651
³√n	275.0578258563
⁴√n	67.541080553727
⁵√n	29.084017917316

Divisors of 20809997

1, 173, 247, 487, 42731, 84251, 120289, 20809997

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	-20809996	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 20809997 can be divided by 8 positive divisors. The sum of these divisors (counting 20809997) is 1, the average is 0.125.

Base conversion 20809997

Base	System	Value
2	Binary	1001111011000100100001101
3	Ternary	1110011020221122
4	Quaternary	1033120210031
5	Quinary	20311404442
6	Senary	2022010325
8	Octal	117304415
10	Decimal	20809997
12	Duodecimal	6b769a5
16	Hexadecimal	13d890d
20	Vigesimal	6a14jh
36	Base36	ce13h

Cryptographic Hash Functions

md5	1ad964c471597de503f1005628c9fe3b
sha1	a12d2c1c970dde3fbfe628b4616909bf0d707f5e
sha256	679b4f7e5caebe2ec2d9dfe564ff87f617f96222c69d4bc47f59b3bbf12c351c
sha512	0fb9aa32eafbde0fe6c0ddc1c8ae63ae60d88df5df9cf0b7d20f6e34549142790cfca9eb0430d2ebfef5a878736c81e24bbac17b9b870422b83f9e8dd83dcf17
ripemd-160	b26c30393746c514c28627d5c67c5d373be5ea9b

20809997 as geometric shapes

Circle

Radius = n

Diameter	41619994
Circumference	130753067.39285
Area	1.360485470093E+15

Sphere

Radius = n

Volume	3.7748931401572E+22
Surface area	5.4419418803721E+15
Circumference	130753067.39285

Square

Length = n

Perimeter	83239988
Area	433055975140009
Diagonal	29429779.990343

Cube

Length = n

Surface area	2598335850840054
Volume	9.0118935434957E+21
Space diagonal	36043972.109356

Equilateral Triangle

Length = n

Perimeter	62429991
Area	1.8751873786595E+14
Altitude	18021986.054678

Triangular Pyramid

Length = n

Surface area	1.8751873786595E+14
Volume	1.0620618393228E+21
Height	9809926.6634478