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

20149985 (number)

20149985 is an odd 8-digits composite number following 20149984 and preceding 20149986. In scientific notation, it is written as 2.0149985 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 16103920 positive integers (up to 20149985) that are relatively prime to 20149985.

Interesting facts

20149985 has 8 divisors, whose sum is 24204096
The reverse of 20149985 is 58994102
Previous prime number is 1931

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

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

Notation

Scientific notation	2.0149985 × 10^7
Engineering notation	2.0149985 × 10^6

Prime Factorization of 20149985

Prime Factorization 5 × 1931 × 2087

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20149985	Product of the distinct prime numbers

The prime factorization of 20149985 is 5 × 1931 × 2087. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 2, 41, 99, 335, 225, 6227, 9008, 23979, 1620, 673700, 641395, 2318364, 7581942, 36566822, 33204988, 525035361, 47650337, 4361543647, 3066539468

Basic calculations (n = 20149985)

Multiplication

n×y

n×2	40299970
n×3	60449955
n×4	80599940
n×5	100749925

Division

n÷y

n÷2	10074992.5
n÷3	6716661.6666667
n÷3	5037496.25
n÷5	4029997

Exponentiation

n^y

n²	406021895500225
n³	8.1813351040011E+21
n⁴	1.648537796256E+29
n⁵	3.3218011866491E+36

Nth Root

^y√n

²√n	4488.8734666952
³√n	272.11860906301
⁴√n	66.999055714952
⁵√n	28.897145551267

Divisors of 20149985

1, 5, 1931, 2087, 9655, 10435, 4029997, 20149985

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	-20149984	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 20149985 can be divided by 8 positive divisors. The sum of these divisors (counting 20149985) is 1, the average is 0.125.

Base conversion 20149985

Base	System	Value
2	Binary	1001100110111011011100001
3	Ternary	1101220201120202
4	Quaternary	1030313123201
5	Quinary	20124244420
6	Senary	1555514545
8	Octal	114673341
10	Decimal	20149985
12	Duodecimal	68b8a55
16	Hexadecimal	13376e1
20	Vigesimal	65iej5
36	Base36	bzvtt

Cryptographic Hash Functions

md5	ba182be509f2246a5a18bfaf115b6f1d
sha1	e422ee9594475d2b326caf0a963e2487509f22f1
sha256	c744160171f024e903aad881b432dbb66e245170566957cace15f3f33ba1fa18
sha512	12ec21fb72d1cda3a722db186daa67c258a7768826b5f26b448dbb871bb43d11773e872a3f1b1d97379ae5d01f8f946ce5c63e675b889dc0811e36b85060494c
ripemd-160	7921ba5550a9b37e92c4c71ed4dfb8165d5ce3c3

20149985 as geometric shapes

Circle

Radius = n

Diameter	40299970
Circumference	126606089.69189
Area	1.2755554041001E+15

Sphere

Radius = n

Volume	3.4269896345715E+22
Surface area	5.1022216164004E+15
Circumference	126606089.69189

Square

Length = n

Perimeter	80599940
Area	406021895500225
Diagonal	28496382.068614

Cube

Length = n

Surface area	2436131373001350
Volume	8.1813351040011E+21
Space diagonal	34900797.791751

Equilateral Triangle

Length = n

Perimeter	60449955
Area	1.7581263799795E+14
Altitude	17450398.895875

Triangular Pyramid

Length = n

Surface area	1.7581263799795E+14
Volume	9.6417958853312E+20
Height	9498794.0228715