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

20123985 (number)

20123985 is an odd 8-digits composite number following 20123984 and preceding 20123986. In scientific notation, it is written as 2.0123985 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 9199488 positive integers (up to 20123985) that are relatively prime to 20123985.

Interesting facts

20123985 has 8 divisors, whose sum is 24532224
The reverse of 20123985 is 58932102
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

Name	twenty million one hundred twenty-three thousand nine hundred eighty-five

Notation

Scientific notation	2.0123985 × 10^7
Engineering notation	2.0123985 × 10^6

Prime Factorization of 20123985

Prime Factorization 15 × 7 × 191657

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20123985	Product of the distinct prime numbers

The prime factorization of 20123985 is 15 × 7 × 191657. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 6, 53, 72, 765, 925, 4955, 8316, 81847, 99315, 661828, 534770, 1241517, 3666944, 6030804, 85708183, 797288804, 752277544, 2412962049, 855190012

Basic calculations (n = 20123985)

Multiplication

n×y

n×2	40247970
n×3	60371955
n×4	80495940
n×5	100619925

Division

n÷y

n÷2	10061992.5
n÷3	6707995
n÷3	5030996.25
n÷5	4024797

Exponentiation

n^y

n²	404974772280225
n³	8.1497062427457E+21
n⁴	1.6400456618342E+29
n⁵	3.3004254298067E+36

Nth Root

^y√n

²√n	4485.976482328
³√n	272.00151833783
⁴√n	66.977432634642
⁵√n	28.8896843659

Divisors of 20123985

1, 7, 15, 105, 191657, 1341599, 2874855, 20123985

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	-20123984	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 20123985 can be divided by 8 positive divisors. The sum of these divisors (counting 20123985) is 1, the average is 0.125.

Base conversion 20123985

Base	System	Value
2	Binary	1001100110001000101010001
3	Ternary	1101212101220210
4	Quaternary	1030301011101
5	Quinary	20122431420
6	Senary	1555154333
8	Octal	114610521
10	Decimal	20123985
12	Duodecimal	68a59a9
16	Hexadecimal	1331151
20	Vigesimal	65f9j5
36	Base36	bzbrl

Cryptographic Hash Functions

md5	2eaeb427a634bbfac48ba43012fc1b97
sha1	e86e3d689cdb994f63792e55ef54e881b2e5c600
sha256	1d42fc4fe09e3d53622ca6477b1bb648882e4c97cdb64b7b344eab088e6ac733
sha512	92d6137095358c1d69d8f5d8b446a860a1b88e21ae393bb794de8c22e01e70626a0d986068e3291a93a25ab28009653cf1b6c50aa8fc3f35036e5da7677c64f4
ripemd-160	613b39eb8e66cea2af30ae7dbd738fdba1674c0b

20123985 as geometric shapes

Circle

Radius = n

Diameter	40247970
Circumference	126442726.8739
Area	1.2722657694848E+15

Sphere

Radius = n

Volume	3.41374096815E+22
Surface area	5.089063077939E+15
Circumference	126442726.8739

Square

Length = n

Perimeter	80495940
Area	404974772280225
Diagonal	28459612.515993

Cube

Length = n

Surface area	2429848633681350
Volume	8.1497062427457E+21
Space diagonal	34855764.470754

Equilateral Triangle

Length = n

Perimeter	60371955
Area	1.7535922034325E+14
Altitude	17427882.235377

Triangular Pyramid

Length = n

Surface area	1.7535922034325E+14
Volume	9.604520914873E+20
Height	9486537.5053309