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

20391489 (number)

20391489 is an odd 8-digits composite number following 20391488 and preceding 20391490. In scientific notation, it is written as 2.0391489 × 10^7. The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors. There are 13594320 positive integers (up to 20391489) that are relatively prime to 20391489.

Interesting facts

20391489 has 4 divisors, whose sum is 22657220
The reverse of 20391489 is 98419302
Previous prime number is 9

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9

Name

Name	twenty million three hundred ninety-one thousand four hundred eighty-nine

Notation

Scientific notation	2.0391489 × 10^7
Engineering notation	2.0391489 × 10^6

Prime Factorization of 20391489

Prime Factorization 9 × 2265721

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20391489	Product of the distinct prime numbers

The prime factorization of 20391489 is 9 × 2265721. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 6, 96, 62, 698, 154, 9836, 4240, 25768, 41058, 917120, 476682, 6508091, 1818560, 75681173, 30041737, 582381857, 1676694, 3416323175, 9065586034

Basic calculations (n = 20391489)

Multiplication

n×y

n×2	40782978
n×3	61174467
n×4	81565956
n×5	101957445

Division

n÷y

n÷2	10195744.5
n÷3	6797163
n÷3	5097872.25
n÷5	4078297.8

Exponentiation

n^y

n²	415812823637121
n³	8.4790426192553E+21
n⁴	1.7290030430108E+29
n⁵	3.525694653252E+36

Nth Root

^y√n

²√n	4515.6936344265
³√n	273.20143728964
⁴√n	67.198910961611
⁵√n	28.966084140467

Divisors of 20391489

1, 9, 2265721, 20391489

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	-20391488	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 20391489 can be divided by 4 positive divisors. The sum of these divisors (counting 20391489) is 1, the average is 0.25.

Base conversion 20391489

Base	System	Value
2	Binary	1001101110010011001000001
3	Ternary	1102100222212100
4	Quaternary	1031302121001
5	Quinary	20210011424
6	Senary	2005021013
8	Octal	115623101
10	Decimal	20391489
12	Duodecimal	69b4769
16	Hexadecimal	1372641
20	Vigesimal	678ie9
36	Base36	c5269

Cryptographic Hash Functions

md5	89586b96a708e3385b9e00ccb9d3f95c
sha1	9b57268322127b414fe6f625af254892eaeed4b7
sha256	c0470a3b91d64c0ebd9688473317a1686a8c48d93a5b8b4eb3fcf84be5188966
sha512	fe256d9561bf88d10fbcb061aea192936f333c8f3a33126070b5cb5394f0053493ec41781a97e62863043997eb979c80591fc03212037adfd84981829eca151a
ripemd-160	0ec7809861e37f208b53a41f92841785f279cb22

20391489 as geometric shapes

Circle

Radius = n

Diameter	40782978
Circumference	128123504.07631
Area	1.3063145120068E+15

Sphere

Radius = n

Volume	3.5516930669503E+22
Surface area	5.2252580480272E+15
Circumference	128123504.07631

Square

Length = n

Perimeter	81565956
Area	415812823637121
Diagonal	28837920.300782

Cube

Length = n

Surface area	2494876941822726
Volume	8.4790426192553E+21
Space diagonal	35319094.989982

Equilateral Triangle

Length = n

Perimeter	61174467
Area	1.8005223424454E+14
Altitude	17659547.494991

Triangular Pyramid

Length = n

Surface area	1.8005223424454E+14
Volume	9.9926475567419E+20
Height	9612640.1002606