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

20389621 (number)

20389621 is an odd 8-digits composite number following 20389620 and preceding 20389622. In scientific notation, it is written as 2.0389621 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 17476812 positive integers (up to 20389621) that are relatively prime to 20389621.

Interesting facts

20389621 has 4 divisors, whose sum is 23302432
The reverse of 20389621 is 12698302
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	twenty million three hundred eighty-nine thousand six hundred twenty-one

Notation

Scientific notation	2.0389621 × 10^7
Engineering notation	2.0389621 × 10^6

Prime Factorization of 20389621

Prime Factorization 7 × 2912803

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20389621	Product of the distinct prime numbers

The prime factorization of 20389621 is 7 × 2912803. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 3, 94, 27, 236, 566, 1736, 5737, 46341, 26220, 924041, 214189, 2828127, 4407663, 43459451, 61324537, 674354957, 403803745, 7610926853, 4514448831

Basic calculations (n = 20389621)

Multiplication

n×y

n×2	40779242
n×3	61168863
n×4	81558484
n×5	101948105

Division

n÷y

n÷2	10194810.5
n÷3	6796540.3333333
n÷3	5097405.25
n÷5	4077924.2

Exponentiation

n^y

n²	415736644523641
n³	8.4767126176488E+21
n⁴	1.7283695759978E+29
n⁵	3.5240800602525E+36

Nth Root

^y√n

²√n	4515.4867954629
³√n	273.19309466085
⁴√n	67.197371938662
⁵√n	28.965553422696

Divisors of 20389621

1, 7, 2912803, 20389621

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	-20389620	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 20389621 can be divided by 4 positive divisors. The sum of these divisors (counting 20389621) is 1, the average is 0.25.

Base conversion 20389621

Base	System	Value
2	Binary	1001101110001111011110101
3	Ternary	1102100220022011
4	Quaternary	1031301323311
5	Quinary	20204431441
6	Senary	2005004221
8	Octal	115617365
10	Decimal	20389621
12	Duodecimal	69b3671
16	Hexadecimal	1371ef5
20	Vigesimal	678e11
36	Base36	c50qd

Cryptographic Hash Functions

md5	9ca8f695026ee47c76a910513993bcd3
sha1	26656b31039ceeefaad9cd73e162f608fcfef0bf
sha256	1b44923de838b1291089a2407c0cdb4c19c8a7b5d1505c83ede2aff8e3935b6a
sha512	5e1cbe8063edcb1260cdea3e99dff425bcee4564739f9e268ed4668227bb95cae0c27f2e6bdb2f0f7c2fdd9f2224fc346602f46b6d97e5d8a41864802b42902f
ripemd-160	a97088e2c5a9846a3e60343dc52a3899076d292b

20389621 as geometric shapes

Circle

Radius = n

Diameter	40779242
Circumference	128111767.08616
Area	1.3060751882635E+15

Sphere

Radius = n

Volume	3.5507170781596E+22
Surface area	5.2243007530542E+15
Circumference	128111767.08616

Square

Length = n

Perimeter	81558484
Area	415736644523641
Diagonal	28835278.549847

Cube

Length = n

Surface area	2494419867141846
Volume	8.4767126176488E+21
Space diagonal	35315859.519073

Equilateral Triangle

Length = n

Perimeter	61168863
Area	1.8001924772079E+14
Altitude	17657929.759537

Triangular Pyramid

Length = n

Surface area	1.8001924772079E+14
Volume	9.989901623515E+20
Height	9611759.5166158