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

20789991 (number)

20789991 is an odd 8-digits composite number following 20789990 and preceding 20789992. In scientific notation, it is written as 2.0789991 × 10^7. The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors. There are 13859988 positive integers (up to 20789991) that are relatively prime to 20789991.

Interesting facts

20789991 has 4 divisors, whose sum is 23100000
The reverse of 20789991 is 19998702
Previous prime number is 9

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9

Name

Name	twenty million seven hundred eighty-nine thousand nine hundred ninety-one

Notation

Scientific notation	2.0789991 × 10^7
Engineering notation	2.0789991 × 10^6

Prime Factorization of 20789991

Prime Factorization 9 × 2309999

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20789991	Product of the distinct prime numbers

The prime factorization of 20789991 is 9 × 2309999. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 7, 5, 81, 631, 271, 1996, 5180, 39664, 95098, 320986, 483983, 5165483, 7069624, 747883, 60173227, 357465706, 623862973, 9717781146, 8662398205

Basic calculations (n = 20789991)

Multiplication

n×y

n×2	41579982
n×3	62369973
n×4	83159964
n×5	103949955

Division

n÷y

n÷2	10394995.5
n÷3	6929997
n÷3	5197497.75
n÷5	4157998.2

Exponentiation

n^y

n²	432223725780081
n³	8.9859273689544E+21
n⁴	1.8681734912721E+29
n⁵	3.8839310069987E+36

Nth Root

^y√n

²√n	4559.6042591435
³√n	274.96965395173
⁴√n	67.524841792807
⁵√n	29.078423695063

Divisors of 20789991

1, 9, 2309999, 20789991

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	-20789990	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 20789991 can be divided by 4 positive divisors. The sum of these divisors (counting 20789991) is 1, the average is 0.25.

Base conversion 20789991

Base	System	Value
2	Binary	1001111010011101011100111
3	Ternary	1110010020111200
4	Quaternary	1033103223213
5	Quinary	20310234431
6	Senary	2021333543
8	Octal	117235347
10	Decimal	20789991
12	Duodecimal	6b672b3
16	Hexadecimal	13d3ae7
20	Vigesimal	69iejb
36	Base36	cdlnr

Cryptographic Hash Functions

md5	8be18d8d5823eeac3abaccae34670aba
sha1	97e172c9fc46b0e4d2847b73e6f80f349ae93876
sha256	c899d5d35d604e8e349a2bb7a55a75798ab954c7410cd69b5902aee81253501e
sha512	9f36abf3a82d65dcdc72a1bf91abd2893e38671a2e57dfba279a63d6988ce18eec0e56d23f694f61f5a38d6f0e33b3524355a20122d18b1640bc438b7d26b506
ripemd-160	2c5bac3f8b455a140696dc161f611d539154bfc5

20789991 as geometric shapes

Circle

Radius = n

Diameter	41579982
Circumference	130627365.9876
Area	1.3578708816179E+15

Sphere

Radius = n

Volume	3.7640164543998E+22
Surface area	5.4314835264716E+15
Circumference	130627365.9876

Square

Length = n

Perimeter	83159964
Area	432223725780081
Diagonal	29401487.233815

Cube

Length = n

Surface area	2593342354680486
Volume	8.9859273689544E+21
Space diagonal	36009320.7009

Equilateral Triangle

Length = n

Perimeter	62369973
Area	1.8715836332195E+14
Altitude	18004660.35045

Triangular Pyramid

Length = n

Surface area	1.8715836332195E+14
Volume	1.0590016963062E+21
Height	9800495.7446049