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

20921449 (number)

20921449 is an odd 8-digits prime number following 20921448 and preceding 20921450. In scientific notation, it is written as 2.0921449 × 10^7. The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors. There are 20921448 positive integers (up to 20921449) that are relatively prime to 20921449.

Interesting facts

20921449 has 2 divisors, whose sum is 20921450
The reverse of 20921449 is 94412902
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	twenty million nine hundred twenty-one thousand four hundred forty-nine

Notation

Scientific notation	2.0921449 × 10^7
Engineering notation	2.0921449 × 10^6

Prime Factorization of 20921449

Prime Factorization 20921449

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	20921449	Product of the distinct prime numbers

The prime factorization of 20921449 is 20921449. Since it has a total of 1 prime factors.

Most popular turbo-numbers

5, 7, 95, 69, 753, 814, 7047, 1461, 33317, 13696, 547684, 793192, 7036524, 7954382, 14464550, 93511773, 448525400, 617586117, 8869045906, 7518851160

Basic calculations (n = 20921449)

Multiplication

n×y

n×2	41842898
n×3	62764347
n×4	83685796
n×5	104607245

Division

n÷y

n÷2	10460724.5
n÷3	6973816.3333333
n÷3	5230362.25
n÷5	4184289.8

Exponentiation

n^y

n²	437707028259601
n³	9.1574652686748E+21
n⁴	1.9158744258785E+29
n⁵	4.0082869091422E+36

Nth Root

^y√n

²√n	4573.9970485342
³√n	275.54799378626
⁴√n	67.631331855393
⁵√n	29.115104419267

Divisors of 20921449

1, 20921449

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	20921450	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10460725	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4573.9971578478	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999044043	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921449 can be divided by 2 positive divisors. The sum of these divisors (counting 20921449) is 20921450, the average is 10460725.

Base conversion 20921449

Base	System	Value
2	Binary	1001111110011110001101001
3	Ternary	1110100220211111
4	Quaternary	1033303301221
5	Quinary	20323441244
6	Senary	2024230321
8	Octal	117636151
10	Decimal	20921449
12	Duodecimal	700b3a1
16	Hexadecimal	13f3c69
20	Vigesimal	6af3c9
36	Base36	cgf3d

Cryptographic Hash Functions

md5	c3356886cd9a5094301cf45a5ffa61f2
sha1	1dc6668d2acbc5e150868e323aaa6ea161c7e3ee
sha256	c2616a479661e18e1c93cef1fd3bc8d0397a02f521a97028128700139eb48368
sha512	0441681c1784c5307334445770fbe8bebcec29371a766b213b357c5d418a6e89c3598fa676088a10e2d2cee01701260f053c42278c026c389644dd10c685323c
ripemd-160	033860a6dbf6a0e8451f6d961fb516428b320c2a

20921449 as geometric shapes

Circle

Radius = n

Diameter	41842898
Circumference	131453340.96171
Area	1.375097184405E+15

Sphere

Radius = n

Volume	3.8358700818097E+22
Surface area	5.5003887376199E+15
Circumference	131453340.96171

Square

Length = n

Perimeter	83685796
Area	437707028259601
Diagonal	29587396.920297

Cube

Length = n

Surface area	2626242169557606
Volume	9.1574652686748E+21
Space diagonal	36237012.635961

Equilateral Triangle

Length = n

Perimeter	62764347
Area	1.895327029439E+14
Altitude	18118506.317981

Triangular Pyramid

Length = n

Surface area	1.895327029439E+14
Volume	1.07921763166E+21
Height	9862465.640099