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

20921365 (number)

20921365 is an odd 8-digits composite number following 20921364 and preceding 20921366. In scientific notation, it is written as 2.0921365 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 16737088 positive integers (up to 20921365) that are relatively prime to 20921365.

Interesting facts

20921365 has 4 divisors, whose sum is 25105644
The reverse of 20921365 is 56312902
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

Name	twenty million nine hundred twenty-one thousand three hundred sixty-five

Notation

Scientific notation	2.0921365 × 10^7
Engineering notation	2.0921365 × 10^6

Prime Factorization of 20921365

Prime Factorization 5 × 4184273

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20921365	Product of the distinct prime numbers

The prime factorization of 20921365 is 5 × 4184273. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 7, 26, 42, 664, 213, 510, 9137, 69219, 77514, 200297, 233248, 1617138, 5028366, 84880130, 4013130, 597157766, 51599478, 8581430157, 3375252545

Basic calculations (n = 20921365)

Multiplication

n×y

n×2	41842730
n×3	62764095
n×4	83685460
n×5	104606825

Division

n÷y

n÷2	10460682.5
n÷3	6973788.3333333
n÷3	5230341.25
n÷5	4184273

Exponentiation

n^y

n²	437703513463225
n³	9.1573549669465E+21
n⁴	1.9158436569805E+29
n⁵	4.0082064430624E+36

Nth Root

^y√n

²√n	4573.9878661842
³√n	275.54762500902
⁴√n	67.631263970032
⁵√n	29.115081039694

Divisors of 20921365

1, 5, 4184273, 20921365

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	-20921364	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 20921365 can be divided by 4 positive divisors. The sum of these divisors (counting 20921365) is 1, the average is 0.25.

Base conversion 20921365

Base	System	Value
2	Binary	1001111110011110000010101
3	Ternary	1110100220201101
4	Quaternary	1033303300111
5	Quinary	20323440430
6	Senary	2024230101
8	Octal	117636025
10	Decimal	20921365
12	Duodecimal	700b331
16	Hexadecimal	13f3c15
20	Vigesimal	6af385
36	Base36	cgf11

Cryptographic Hash Functions

md5	85001e21e1876d94585ff01f46ee9e7b
sha1	8ff7113c52f42461a623670d08c7a602bc79f4f0
sha256	d05229a7936ec31b2533498a2eca84e5c120da88cbe6b9e5dbe82c235adfb138
sha512	54e2d7e8bbf16889cac90903afbe046bf12bd7308f831d9dce87ee4340b039032d65dbe0d929946e77935c0211158bce0b95f37f3e9c57bbaf4afbb19fef8e77
ripemd-160	b6b2f56f9eca39e7cc61fb89605aabb9844c52d0

20921365 as geometric shapes

Circle

Radius = n

Diameter	41842730
Circumference	131452813.17414
Area	1.3750861423465E+15

Sphere

Radius = n

Volume	3.8358238787298E+22
Surface area	5.500344569386E+15
Circumference	131452813.17414

Square

Length = n

Perimeter	83685460
Area	437703513463225
Diagonal	29587278.126358

Cube

Length = n

Surface area	2626221080779350
Volume	9.1573549669465E+21
Space diagonal	36236867.143693

Equilateral Triangle

Length = n

Perimeter	62764095
Area	1.8953118099243E+14
Altitude	18118433.571847

Triangular Pyramid

Length = n

Surface area	1.8953118099243E+14
Volume	1.0792046324767E+21
Height	9862426.0421193