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

20090905 (number)

20090905 is an odd 8-digits composite number following 20090904 and preceding 20090906. In scientific notation, it is written as 2.0090905 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 16072720 positive integers (up to 20090905) that are relatively prime to 20090905.

Interesting facts

20090905 has 4 divisors, whose sum is 24109092
The reverse of 20090905 is 50909002
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	twenty million ninety thousand nine hundred five

Notation

Scientific notation	2.0090905 × 10^7
Engineering notation	2.0090905 × 10^6

Prime Factorization of 20090905

Prime Factorization 5 × 4018181

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20090905	Product of the distinct prime numbers

The prime factorization of 20090905 is 5 × 4018181. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 10, 27, 91, 684, 70, 8597, 2539, 81308, 24836, 268331, 737158, 1959690, 2258086, 45559126, 23485766, 204354048, 787243008, 4384707719, 895523557

Basic calculations (n = 20090905)

Multiplication

n×y

n×2	40181810
n×3	60272715
n×4	80363620
n×5	100454525

Division

n÷y

n÷2	10045452.5
n÷3	6696968.3333333
n÷3	5022726.25
n÷5	4018181

Exponentiation

n^y

n²	403644463719025
n³	8.1095825743549E+21
n⁴	1.6292885309102E+29
n⁵	3.2733881092106E+36

Nth Root

^y√n

²√n	4482.2879202479
³√n	271.85239702873
⁴√n	66.949891114533
⁵√n	28.880180286508

Divisors of 20090905

1, 5, 4018181, 20090905

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	-20090904	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 20090905 can be divided by 4 positive divisors. The sum of these divisors (counting 20090905) is 1, the average is 0.25.

Base conversion 20090905

Base	System	Value
2	Binary	1001100101001000000011001
3	Ternary	1101210201112121
4	Quaternary	1030221000121
5	Quinary	20120402110
6	Senary	1554341241
8	Octal	114510031
10	Decimal	20090905
12	Duodecimal	688a821
16	Hexadecimal	1329019
20	Vigesimal	65b755
36	Base36	bym8p

Cryptographic Hash Functions

md5	39231fd90df81c9c452afd0db8b77a76
sha1	5cd67369b27f7d01df8bfe71a58e8f28cce9783e
sha256	a009e613ca1b969d3f3e2bde87e36d912db1da1c4b53ff1803a4d75ed612eabf
sha512	a85e358f0d5792b4766798ab73613f587596683a29565eea79e332037af7ea97a47aa85ba903583017872aa04b4fe0f2f124833c02636500245801da62b8e6a8
ripemd-160	56ef1b7a3160faabf561c1b8361e3d2048ef7b34

20090905 as geometric shapes

Circle

Radius = n

Diameter	40181810
Circumference	126234879.10394
Area	1.2680864818819E+15

Sphere

Radius = n

Volume	3.3969340052364E+22
Surface area	5.0723459275275E+15
Circumference	126234879.10394

Square

Length = n

Perimeter	80363620
Area	403644463719025
Diagonal	28412830.331349

Cube

Length = n

Surface area	2421866782314150
Volume	8.1095825743549E+21
Space diagonal	34798468.23004

Equilateral Triangle

Length = n

Perimeter	60272715
Area	1.7478317983881E+14
Altitude	17399234.11502

Triangular Pyramid

Length = n

Surface area	1.7478317983881E+14
Volume	9.5572347181977E+20
Height	9470943.4437831