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

20390621 (number)

20390621 is an odd 8-digits composite number following 20390620 and preceding 20390622. In scientific notation, it is written as 2.0390621 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 19892608 positive integers (up to 20390621) that are relatively prime to 20390621.

Interesting facts

20390621 has 8 divisors, whose sum is 20891520
The reverse of 20390621 is 12609302
Previous prime number is 467

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5

Name

Name	twenty million three hundred ninety thousand six hundred twenty-one

Notation

Scientific notation	2.0390621 × 10^7
Engineering notation	2.0390621 × 10^6

Prime Factorization of 20390621

Prime Factorization 47 × 467 × 929

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20390621	Product of the distinct prime numbers

The prime factorization of 20390621 is 47 × 467 × 929. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 4, 79, 76, 119, 663, 1257, 6804, 1726, 32397, 713890, 819038, 7645427, 5200513, 60677708, 80735307, 562648202, 567574330, 3714631404, 3688386282

Basic calculations (n = 20390621)

Multiplication

n×y

n×2	40781242
n×3	61171863
n×4	81562484
n×5	101953105

Division

n÷y

n÷2	10195310.5
n÷3	6796873.6666667
n÷3	5097655.25
n÷5	4078124.2

Exponentiation

n^y

n²	415777424765641
n³	8.4779598887522E+21
n⁴	1.7287086694475E+29
n⁵	3.5249443298118E+36

Nth Root

^y√n

²√n	4515.5975241379
³√n	273.19756079959
⁴√n	67.198195839902
⁵√n	28.96583753769

Divisors of 20390621

1, 47, 467, 929, 21949, 43663, 433843, 20390621

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	-20390620	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 20390621 can be divided by 8 positive divisors. The sum of these divisors (counting 20390621) is 1, the average is 0.125.

Base conversion 20390621

Base	System	Value
2	Binary	1001101110010001011011101
3	Ternary	1102100221200012
4	Quaternary	1031302023131
5	Quinary	20204444441
6	Senary	2005013005
8	Octal	115621335
10	Decimal	20390621
12	Duodecimal	69b4165
16	Hexadecimal	13722dd
20	Vigesimal	678gb1
36	Base36	c51i5

Cryptographic Hash Functions

md5	788f264152ca994dcf3e93fdc194d613
sha1	37b57e166ab509927d4e8ffae99bfa9dc279fb5d
sha256	cc5a1fce72e6c89295d9411671a7b2019d102327ff65e8ea8e0c19b12425ab39
sha512	84b243b4034b20d16cd429a00a28ee2ae6814cefc0eafa21833c8b1f1a170d973e0071a35171b029df1474477ea454b99768efadfd9c1d52be9f98fb2fb09a20
ripemd-160	0e5e76babe719426ceb432823da4a11f47f0e8f1

20390621 as geometric shapes

Circle

Radius = n

Diameter	40781242
Circumference	128118050.27147
Area	1.3062033031722E+15

Sphere

Radius = n

Volume	3.5512395338577E+22
Surface area	5.2248132126889E+15
Circumference	128118050.27147

Square

Length = n

Perimeter	81562484
Area	415777424765641
Diagonal	28836692.76341

Cube

Length = n

Surface area	2494664548593846
Volume	8.4779598887522E+21
Space diagonal	35317591.569881

Equilateral Triangle

Length = n

Perimeter	61171863
Area	1.8003690608356E+14
Altitude	17658795.78494

Triangular Pyramid

Length = n

Surface area	1.8003690608356E+14
Volume	9.991371546607E+20
Height	9612230.9211365