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

20649938 (number)

20649938 is an even 8-digits composite number following 20649937 and preceding 20649939. In scientific notation, it is written as 2.0649938 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 10324968 positive integers (up to 20649938) that are relatively prime to 20649938.

Interesting facts

20649938 has 4 divisors, whose sum is 30974910
The reverse of 20649938 is 83994602
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5

Name

Name	twenty million six hundred forty-nine thousand nine hundred thirty-eight

Notation

Scientific notation	2.0649938 × 10^7
Engineering notation	2.0649938 × 10^6

Prime Factorization of 20649938

Prime Factorization 2 × 10324969

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20649938	Product of the distinct prime numbers

The prime factorization of 20649938 is 2 × 10324969. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 9, 41, 65, 944, 54, 792, 7890, 24088, 42772, 807351, 489492, 5059868, 9969071, 82562508, 905528, 46151868, 655770571, 5259438126, 7840817016

Basic calculations (n = 20649938)

Multiplication

n×y

n×2	41299876
n×3	61949814
n×4	82599752
n×5	103249690

Division

n÷y

n÷2	10324969
n÷3	6883312.6666667
n÷3	5162484.5
n÷5	4129987.6

Exponentiation

n^y

n²	426419939403844
n³	8.8055453106531E+21
n⁴	1.8183396472118E+29
n⁵	3.7548600977865E+36

Nth Root

^y√n

²√n	4544.2202851534
³√n	274.35081248238
⁴√n	67.410832105482
⁵√n	29.039139994079

Divisors of 20649938

1, 2, 10324969, 20649938

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	-20649937	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 20649938 can be divided by 4 positive divisors. The sum of these divisors (counting 20649938) is 1, the average is 0.25.

Base conversion 20649938

Base	System	Value
2	Binary	1001110110001011111010010
3	Ternary	1102212010101112
4	Quaternary	1032301133102
5	Quinary	20241244223
6	Senary	2014333322
8	Octal	116613722
10	Decimal	20649938
12	Duodecimal	6aba242
16	Hexadecimal	13b17d2
20	Vigesimal	6914gi
36	Base36	calle

Cryptographic Hash Functions

md5	64826976f18152fdde82239062dc85e6
sha1	a2d8377528ae8c259dda99b212683e1c7e31dd01
sha256	da1a9d1b2ffa0e4185cf698a2821972a44ad96fdefab0941f4915507b729e52a
sha512	52d0512376a749c899773d5e493adb3bcf21cf095f6af1adb92b39596d14fa218318d83eabff79a44d47d0a8f4a0be867f94a8dcdb444cc95f69bab9c5152bac
ripemd-160	2f52be0b12e0071fb3444b5e496a90198a27e6ec

20649938 as geometric shapes

Circle

Radius = n

Diameter	41299876
Circumference	129747387.03577
Area	1.3396377489753E+15

Sphere

Radius = n

Volume	3.6884581945067E+22
Surface area	5.3585509959013E+15
Circumference	129747387.03577

Square

Length = n

Perimeter	82599752
Area	426419939403844
Diagonal	29203422.381764

Cube

Length = n

Surface area	2558519636423064
Volume	8.8055453106531E+21
Space diagonal	35766741.789147

Equilateral Triangle

Length = n

Perimeter	61949814
Area	1.8464525010197E+14
Altitude	17883370.894574

Triangular Pyramid

Length = n

Surface area	1.8464525010197E+14
Volume	1.037743466868E+21
Height	9734474.1272545