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

21056561 (number)

21056561 is an odd 8-digits prime number following 21056560 and preceding 21056562. In scientific notation, it is written as 2.1056561 × 10^7. The sum of its digits is 26. It has a total of 1 prime factors and 2 positive divisors. There are 21056560 positive integers (up to 21056561) that are relatively prime to 21056561.

Interesting facts

21056561 has 2 divisors, whose sum is 21056562
The reverse of 21056561 is 16565012
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8

Name

Name	twenty-one million fifty-six thousand five hundred sixty-one

Notation

Scientific notation	2.1056561 × 10^7
Engineering notation	2.1056561 × 10^6

Prime Factorization of 21056561

Prime Factorization 21056561

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21056561	Product of the distinct prime numbers

The prime factorization of 21056561 is 21056561. Since it has a total of 1 prime factors.

Most popular turbo-numbers

5, 5, 35, 18, 944, 797, 8964, 5562, 98369, 45955, 208741, 175328, 3702144, 6299599, 95871968, 25993499, 970657564, 469224667, 4167093563, 2092945092

Basic calculations (n = 21056561)

Multiplication

n×y

n×2	42113122
n×3	63169683
n×4	84226244
n×5	105282805

Division

n÷y

n÷2	10528280.5
n÷3	7018853.6666667
n÷3	5264140.25
n÷5	4211312.2

Exponentiation

n^y

n²	443378761146721
n³	9.3360319301904E+21
n⁴	1.96584725836E+29
n⁵	4.139398271234E+36

Nth Root

^y√n

²√n	4588.7428561644
³√n	276.13989005261
⁴√n	67.740260231006
⁵√n	29.152613076514

Divisors of 21056561

1, 21056561

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21056562	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10528281	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4588.7429651267	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999050177	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21056561 can be divided by 2 positive divisors. The sum of these divisors (counting 21056561) is 21056562, the average is 10528281.

Base conversion 21056561

Base	System	Value
2	Binary	1010000010100110000110001
3	Ternary	1110121210011122
4	Quaternary	1100110300301
5	Quinary	20342302221
6	Senary	2031152025
8	Octal	120246061
10	Decimal	21056561
12	Duodecimal	7075615
16	Hexadecimal	1414c31
20	Vigesimal	6bc181
36	Base36	cjbch

Cryptographic Hash Functions

md5	b565e704d17a2e92e3eb688f790475d3
sha1	fbd2ab7d48d4072ff9007f43da2a9916955d0179
sha256	5476885dde7b85b581013b1f23b9e41d1534c6e5d880a996b563a57bf8e73d82
sha512	d39b66f6f87aa99aafa3000d67904eafb69f74fc6ac04ac756ac54520ee2f1d0251bfbbcfba950066e6f5186fe45eeb2dccb001d60ad47c2d8ca8b455912e1bb
ripemd-160	c8bed59720fb1d08d38e59bea2db1701f91b88df

21056561 as geometric shapes

Circle

Radius = n

Diameter	42113122
Circumference	132302274.69493
Area	1.3929154587763E+15

Sphere

Radius = n

Volume	3.9106679100754E+22
Surface area	5.5716618351051E+15
Circumference	132302274.69493

Square

Length = n

Perimeter	84226244
Area	443378761146721
Diagonal	29778474.143136

Cube

Length = n

Surface area	2660272566880326
Volume	9.3360319301904E+21
Space diagonal	36471033.484673

Equilateral Triangle

Length = n

Perimeter	63169683
Area	1.9198863532577E+14
Altitude	18235516.742337

Triangular Pyramid

Length = n

Surface area	1.9198863532577E+14
Volume	1.1002619145353E+21
Height	9926158.0477121