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

21090181 (number)

21090181 is an odd 8-digits composite number following 21090180 and preceding 21090182. In scientific notation, it is written as 2.1090181 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 18077292 positive integers (up to 21090181) that are relatively prime to 21090181.

Interesting facts

21090181 has 4 divisors, whose sum is 24103072
The reverse of 21090181 is 18109012
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4

Name

Name	twenty-one million ninety thousand one hundred eighty-one

Notation

Scientific notation	2.1090181 × 10^7
Engineering notation	2.1090181 × 10^6

Prime Factorization of 21090181

Prime Factorization 7 × 3012883

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21090181	Product of the distinct prime numbers

The prime factorization of 21090181 is 7 × 3012883. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 5, 6, 22, 282, 996, 9445, 6215, 2813, 62866, 344579, 310602, 293783, 6220446, 87552904, 61336916, 523776575, 303294520, 8297421074, 565902211

Basic calculations (n = 21090181)

Multiplication

n×y

n×2	42180362
n×3	63270543
n×4	84360724
n×5	105450905

Division

n÷y

n÷2	10545090.5
n÷3	7030060.3333333
n÷3	5272545.25
n÷5	4218036.2

Exponentiation

n^y

n²	444795734612761
n³	9.3808225510111E+21
n⁴	1.9784324552971E+29
n⁵	4.1725498578489E+36

Nth Root

^y√n

²√n	4592.4047077757
³√n	276.28677833872
⁴√n	67.76728346168
⁵√n	29.161916452239

Divisors of 21090181

1, 7, 3012883, 21090181

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	-21090180	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 21090181 can be divided by 4 positive divisors. The sum of these divisors (counting 21090181) is 1, the average is 0.25.

Base conversion 21090181

Base	System	Value
2	Binary	1010000011100111110000101
3	Ternary	1110200111021211
4	Quaternary	1100130332011
5	Quinary	20344341211
6	Senary	2032011421
8	Octal	120347605
10	Decimal	21090181
12	Duodecimal	7090b71
16	Hexadecimal	141cf85
20	Vigesimal	6bg591
36	Base36	ck1ad

Cryptographic Hash Functions

md5	d4bdf8a6cf67e5f40028fbfc4f0c2b2c
sha1	d60fe312f287225a3b45d656d8f61ce4b4f4e52f
sha256	72b9205783d703c44ebca08a3e3cc5aeb3b667565c96cd4907c615055ea37eab
sha512	98346b40cd469d5bfb6faa77406608d09f76e8a12e3d6b5abe5c9849e78c1f5d740af094d05f2ebfc985031a41cd9aa25c74c614fd41469b06612adce2d324a5
ripemd-160	610a9f52d9efaa5a879777e1b9b83df59b75d1fb

21090181 as geometric shapes

Circle

Radius = n

Diameter	42180362
Circumference	132513515.38496
Area	1.3973670122075E+15

Sphere

Radius = n

Volume	3.9294297614515E+22
Surface area	5.5894680488301E+15
Circumference	132513515.38496

Square

Length = n

Perimeter	84360724
Area	444795734612761
Diagonal	29826020.003103

Cube

Length = n

Surface area	2668774407676566
Volume	9.3808225510111E+21
Space diagonal	36529265.032824

Equilateral Triangle

Length = n

Perimeter	63270543
Area	1.9260220283481E+14
Altitude	18264632.516412

Triangular Pyramid

Length = n

Surface area	1.9260220283481E+14
Volume	1.1055405398213E+21
Height	9942006.6677011