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

20378991 (number)

20378991 is an odd 8-digits composite number following 20378990 and preceding 20378992. In scientific notation, it is written as 2.0378991 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 13585992 positive integers (up to 20378991) that are relatively prime to 20378991.

Interesting facts

20378991 has 4 divisors, whose sum is 27171992
The reverse of 20378991 is 19987302
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3

Name

Name	twenty million three hundred seventy-eight thousand nine hundred ninety-one

Notation

Scientific notation	2.0378991 × 10^7
Engineering notation	2.0378991 × 10^6

Prime Factorization of 20378991

Prime Factorization 3 × 6792997

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20378991	Product of the distinct prime numbers

The prime factorization of 20378991 is 3 × 6792997. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 10, 97, 74, 112, 425, 6664, 2750, 2507, 44592, 677287, 647899, 1093551, 7683592, 9986348, 88420516, 270514054, 757525770, 6460397419, 4549812345

Basic calculations (n = 20378991)

Multiplication

n×y

n×2	40757982
n×3	61136973
n×4	81515964
n×5	101894955

Division

n÷y

n÷2	10189495.5
n÷3	6792997
n÷3	5094747.75
n÷5	4075798.2

Exponentiation

n^y

n²	415303274178081
n³	8.4634616867456E+21
n⁴	1.7247680954303E+29
n⁵	3.5149033493862E+36

Nth Root

^y√n

²√n	4514.3095817633
³√n	273.14561057715
⁴√n	67.188611994618
⁵√n	28.962532591044

Divisors of 20378991

1, 3, 6792997, 20378991

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	-20378990	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 20378991 can be divided by 4 positive divisors. The sum of these divisors (counting 20378991) is 1, the average is 0.25.

Base conversion 20378991

Base	System	Value
2	Binary	1001101101111010101101111
3	Ternary	1102100100201110
4	Quaternary	1031233111233
5	Quinary	20204111431
6	Senary	2004443103
8	Octal	115572557
10	Decimal	20378991
12	Duodecimal	69a9493
16	Hexadecimal	136f56f
20	Vigesimal	67779b
36	Base36	c4sj3

Cryptographic Hash Functions

md5	d825682f4b2082a1ac62b4779a0d1688
sha1	209eaabdff734f59d911ef68ad36cc90dbc7ff0f
sha256	92f8c140353800df2e93b2e87eab089229a100615f1aaf959b797a7cc72c1c4e
sha512	35977e8c7ba3437191b5ddf167b1bc528087d67287f21dafa67ceb908585ab940d30049a1de8d8c0a2491a31b28e9b881ef83a280aa89f96c901336a6e8beed9
ripemd-160	8b0184f13cabf08966d1138e77e724c26c6bc732

20378991 as geometric shapes

Circle

Radius = n

Diameter	40757982
Circumference	128044976.82635
Area	1.3047137151696E+15

Sphere

Radius = n

Volume	3.5451665412025E+22
Surface area	5.2188548606786E+15
Circumference	128044976.82635

Square

Length = n

Perimeter	81515964
Area	415303274178081
Diagonal	28820245.459679

Cube

Length = n

Surface area	2491819645068486
Volume	8.4634616867456E+21
Space diagonal	35297447.818989

Equilateral Triangle

Length = n

Perimeter	61136973
Area	1.7983159285654E+14
Altitude	17648723.909494

Triangular Pyramid

Length = n

Surface area	1.7983159285654E+14
Volume	9.974285251684E+20
Height	9606748.4865597