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

20397890 (number)

20397890 is an even 8-digits composite number following 20397889 and preceding 20397891. In scientific notation, it is written as 2.0397890 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 8159152 positive integers (up to 20397890) that are relatively prime to 20397890.

Interesting facts

20397890 has 8 divisors, whose sum is 36716220
The reverse of 20397890 is 09879302
Previous prime number is 5

Basic properties

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

Name

Name	twenty million three hundred ninety-seven thousand eight hundred ninety

Notation

Scientific notation	2.0397890 × 10^7
Engineering notation	2.0397890 × 10^6

Prime Factorization of 20397890

Prime Factorization 2 × 5 × 2039789

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20397890	Product of the distinct prime numbers

The prime factorization of 20397890 is 2 × 5 × 2039789. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 8, 64, 87, 471, 454, 3501, 2665, 7673, 65822, 255534, 716299, 529530, 3225764, 3737952, 95448242, 727138830, 474183698, 7790723258, 2985398085

Basic calculations (n = 20397890)

Multiplication

n×y

n×2	40795780
n×3	61193670
n×4	81591560
n×5	101989450

Division

n÷y

n÷2	10198945
n÷3	6799296.6666667
n÷3	5099472.5
n÷5	4079578

Exponentiation

n^y

n²	416073916452100
n³	8.4870299796591E+21
n⁴	1.7311750395179E+29
n⁵	3.5312318026832E+36

Nth Root

^y√n

²√n	4516.4023292882
³√n	273.23002077448
⁴√n	67.204183867437
⁵√n	28.967902434641

Divisors of 20397890

1, 2, 5, 10, 2039789, 4079578, 10198945, 20397890

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	-20397889	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 20397890 can be divided by 8 positive divisors. The sum of these divisors (counting 20397890) is 1, the average is 0.125.

Base conversion 20397890

Base	System	Value
2	Binary	1001101110011111101000010
3	Ternary	1102101022122102
4	Quaternary	1031303331002
5	Quinary	20210213030
6	Senary	2005110402
8	Octal	115637502
10	Decimal	20397890
12	Duodecimal	69b8402
16	Hexadecimal	1373f42
20	Vigesimal	679eea
36	Base36	c5742

Cryptographic Hash Functions

md5	ac12cf9989c560117d071a03e1853777
sha1	3a0fdb8fe07a2a887b956d6c8552d30eb21bf2b1
sha256	e22141becaf1dc4c20549db98fd4756e4d4d5f2eb9799fd81f7e01d9ccd60c63
sha512	63f65ead6094201ff4867b2e4f2abbdd510a06921c8810c4ad2b07b00085ce7d4f65fea1f4c51be541e6004811b06f4872e95f91b8c48a2fd337a8aaad979ffd
ripemd-160	d169338fc6e888503a0045fe1d25becfded79a23

20397890 as geometric shapes

Circle

Radius = n

Diameter	40795780
Circumference	128163722.74547
Area	1.3071347592763E+15

Sphere

Radius = n

Volume	3.5550388046525E+22
Surface area	5.228539037105E+15
Circumference	128163722.74547

Square

Length = n

Perimeter	81591560
Area	416073916452100
Diagonal	28846972.681795

Cube

Length = n

Surface area	2496443498712600
Volume	8.4870299796591E+21
Space diagonal	35330181.847201

Equilateral Triangle

Length = n

Perimeter	61193670
Area	1.801652907498E+14
Altitude	17665090.923601

Triangular Pyramid

Length = n

Surface area	1.801652907498E+14
Volume	1.0002060751251E+21
Height	9615657.5605982