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

21122561 (number)

21122561 is an odd 8-digits prime number following 21122560 and preceding 21122562. In scientific notation, it is written as 2.1122561 × 10^7. The sum of its digits is 20. It has a total of 1 prime factors and 2 positive divisors. There are 21122560 positive integers (up to 21122561) that are relatively prime to 21122561.

Interesting facts

21122561 has 2 divisors, whose sum is 21122562
The reverse of 21122561 is 16522112
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2

Name

Name	twenty-one million one hundred twenty-two thousand five hundred sixty-one

Notation

Scientific notation	2.1122561 × 10^7
Engineering notation	2.1122561 × 10^6

Prime Factorization of 21122561

Prime Factorization 21122561

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21122561	Product of the distinct prime numbers

The prime factorization of 21122561 is 21122561. Since it has a total of 1 prime factors.

Most popular turbo-numbers

8, 6, 53, 7, 661, 375, 4441, 6011, 41807, 85332, 730799, 979165, 6060205, 7893158, 72504807, 60541234, 689900133, 821732206, 8704623977, 2228259025

Basic calculations (n = 21122561)

Multiplication

n×y

n×2	42245122
n×3	63367683
n×4	84490244
n×5	105612805

Division

n÷y

n÷2	10561280.5
n÷3	7040853.6666667
n÷3	5280640.25
n÷5	4224512.2

Exponentiation

n^y

n²	446162583198721
n³	9.4240963795326E+21
n⁴	1.9906105064656E+29
n⁵	4.204679185006E+36

Nth Root

^y√n

²√n	4595.9287418323
³√n	276.42810147229
⁴√n	67.793279473944
⁵√n	29.170865483954

Divisors of 21122561

1, 21122561

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21122562	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10561281	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4595.9288506242	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999053145	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21122561 can be divided by 2 positive divisors. The sum of these divisors (counting 21122561) is 21122562, the average is 10561281.

Base conversion 21122561

Base	System	Value
2	Binary	1010000100100111000000001
3	Ternary	1110202010201002
4	Quaternary	1100210320001
5	Quinary	20401410221
6	Senary	2032421345
8	Octal	120447001
10	Decimal	21122561
12	Duodecimal	70a7855
16	Hexadecimal	1424e01
20	Vigesimal	6c0681
36	Base36	ckq9t

Cryptographic Hash Functions

md5	21482b232d9b64e2b337c749612977c2
sha1	c2b2481ff3056ad9462b17f15f4a2301a5ebe286
sha256	477a7a8afbcb7413de47b6fd0419f2974e6e78a2e15a72f7222603ba32381d54
sha512	737173744b91cd4d77fccfacb94c471abeeb743eb52a5522d0de79da42075b8f65d6078ca7f440d701a2440ba51c3d1e36ddb46354be72c7fcc60a76e8fd64ac
ripemd-160	0c15cc960f1078b59f9a87f2b082b673c7c60909

21122561 as geometric shapes

Circle

Radius = n

Diameter	42245122
Circumference	132716964.9252
Area	1.4016610936837E+15

Sphere

Radius = n

Volume	3.9475562603549E+22
Surface area	5.606644374735E+15
Circumference	132716964.9252

Square

Length = n

Perimeter	84490244
Area	446162583198721
Diagonal	29871812.238253

Cube

Length = n

Surface area	2676975499192326
Volume	9.4240963795326E+21
Space diagonal	36585348.837973

Equilateral Triangle

Length = n

Perimeter	63367683
Area	1.9319406563409E+14
Altitude	18292674.418986

Triangular Pyramid

Length = n

Surface area	1.9319406563409E+14
Volume	1.1106404094205E+21
Height	9957270.7460843