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

21543921 (number)

21543921 is an odd 8-digits composite number following 21543920 and preceding 21543922. In scientific notation, it is written as 2.1543921 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 12310704 positive integers (up to 21543921) that are relatively prime to 21543921.

Interesting facts

21543921 has 8 divisors, whose sum is 29181440
The reverse of 21543921 is 12934512
Previous prime number is 63

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9

Name

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

Notation

Scientific notation	2.1543921 × 10^7
Engineering notation	2.1543921 × 10^6

Prime Factorization of 21543921

Prime Factorization 3 × 63 × 113989

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21543921	Product of the distinct prime numbers

The prime factorization of 21543921 is 3 × 63 × 113989. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 6, 90, 11, 475, 611, 5724, 8629, 3629, 21143, 974940, 60067, 4883695, 4476022, 14851892, 61468939, 232289773, 581869766, 6084368227, 5605179629

Basic calculations (n = 21543921)

Multiplication

n×y

n×2	43087842
n×3	64631763
n×4	86175684
n×5	107719605

Division

n÷y

n÷2	10771960.5
n÷3	7181307
n÷3	5385980.25
n÷5	4308784.2

Exponentiation

n^y

n²	464140532054241
n³	9.9994069554745E+21
n⁴	2.1542643349559E+29
n⁵	4.6411300645408E+36

Nth Root

^y√n

²√n	4641.542954665
³√n	278.25410663725
⁴√n	68.128870199534
⁵√n	29.286329855273

Divisors of 21543921

1, 3, 63, 189, 113989, 341967, 7181307, 21543921

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	-21543920	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 21543921 can be divided by 8 positive divisors. The sum of these divisors (counting 21543921) is 1, the average is 0.125.

Base conversion 21543921

Base	System	Value
2	Binary	1010010001011101111110001
3	Ternary	1111112112201000
4	Quaternary	1102023233301
5	Quinary	21003401141
6	Senary	2045432213
8	Octal	122135761
10	Decimal	21543921
12	Duodecimal	726b669
16	Hexadecimal	148bbf1
20	Vigesimal	6ecjg1
36	Base36	ctre9

Cryptographic Hash Functions

md5	c2db9902978d750c86cf40444de1d2b6
sha1	cdc1fc2b25ab5c773b8c6e6c6124929f3c657d26
sha256	debc68532b8d13f0ceb3ed89f483eb1be4d798a999b0dbb53348a2b9b42b167f
sha512	987ea38e8d7140627ae01f3d067f14848b4e584cd52e7f40dfa0412f89b86e0e794dbc99f87de0f2c007401f0cb5fb283d62066035af00a1cb7740e7265aab6b
ripemd-160	196f45b9f0a5fc602e2d025894ef1eb7aef721fc

21543921 as geometric shapes

Circle

Radius = n

Diameter	43087842
Circumference	135364447.88624
Area	1.4581404857349E+15

Sphere

Radius = n

Volume	4.1885417908765E+22
Surface area	5.8325619429394E+15
Circumference	135364447.88624

Square

Length = n

Perimeter	86175684
Area	464140532054241
Diagonal	30467705.264895

Cube

Length = n

Surface area	2784843192325446
Volume	9.9994069554745E+21
Space diagonal	37315165.76625

Equilateral Triangle

Length = n

Perimeter	64631763
Area	2.009787458425E+14
Altitude	18657582.883125

Triangular Pyramid

Length = n

Surface area	2.009787458425E+14
Volume	1.17844141101E+21
Height	10155901.754965