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

20807989 (number)

20807989 is an odd 8-digits composite number following 20807988 and preceding 20807990. In scientific notation, it is written as 2.0807989 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 20497356 positive integers (up to 20807989) that are relatively prime to 20807989.

Interesting facts

20807989 has 4 divisors, whose sum is 21118624
The reverse of 20807989 is 98970802
Previous prime number is 67

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7

Name

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

Notation

Scientific notation	2.0807989 × 10^7
Engineering notation	2.0807989 × 10^6

Prime Factorization of 20807989

Prime Factorization 67 × 310567

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20807989	Product of the distinct prime numbers

The prime factorization of 20807989 is 67 × 310567. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 9, 22, 94, 848, 229, 613, 8880, 27206, 96274, 893258, 833988, 7500749, 7216633, 77360450, 4983221, 112980686, 297476792, 5341225322, 8644203208

Basic calculations (n = 20807989)

Multiplication

n×y

n×2	41615978
n×3	62423967
n×4	83231956
n×5	104039945

Division

n÷y

n÷2	10403994.5
n÷3	6935996.3333333
n÷3	5201997.25
n÷5	4161597.8

Exponentiation

n^y

n²	432972406224121
n³	9.009285066015E+21
n⁴	1.8746510455151E+29
n⁵	3.9007718333916E+36

Nth Root

^y√n

²√n	4561.5774683765
³√n	275.04897860402
⁴√n	67.539451199847
⁵√n	29.083456620145

Divisors of 20807989

1, 67, 310567, 20807989

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20807988	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20807989 can be divided by 4 positive divisors. The sum of these divisors (counting 20807989) is 1, the average is 0.25.

Base conversion 20807989

Base	System	Value
2	Binary	1001111011000000100110101
3	Ternary	1110011011012021
4	Quaternary	1033120010311
5	Quinary	20311323424
6	Senary	2021553141
8	Octal	117300465
10	Decimal	20807989
12	Duodecimal	6b757b1
16	Hexadecimal	13d8135
20	Vigesimal	6a0jj9
36	Base36	cdzjp

Cryptographic Hash Functions

md5	968dd9b2998b35240261d82dbefba159
sha1	fe29663ca297f97392b885b4e2e7d41503cd4911
sha256	f58c0f0fd6fd274b457a7f9a42879ee6c0ae8e01a2ac38418ebad846fab014a1
sha512	c403e176c1204a0ee8bf1df34ae41d2a7f322a5506488f0a7b6fa3fa87c88b6dd4a11c26480adae207b1d0b9263836735f847b06d4790c31ecc6798fdd5fbc63
ripemd-160	4be37647c7520f7042eade093caa47a480cca658

20807989 as geometric shapes

Circle

Radius = n

Diameter	41615978
Circumference	130740450.75675
Area	1.3602229306008E+15

Sphere

Radius = n

Volume	3.7738005036652E+22
Surface area	5.4408917224032E+15
Circumference	130740450.75675

Square

Length = n

Perimeter	83231956
Area	432972406224121
Diagonal	29426940.24951

Cube

Length = n

Surface area	2597834437344726
Volume	9.009285066015E+21
Space diagonal	36040494.151334

Equilateral Triangle

Length = n

Perimeter	62423967
Area	1.8748255146388E+14
Altitude	18020247.075667

Triangular Pyramid

Length = n

Surface area	1.8748255146388E+14
Volume	1.0617544273037E+21
Height	9808980.0831701