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

21291209 (number)

21291209 is an odd 8-digits composite number following 21291208 and preceding 21291210. In scientific notation, it is written as 2.1291209 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 20946816 positive integers (up to 21291209) that are relatively prime to 21291209.

Interesting facts

21291209 has 8 divisors, whose sum is 21638400
The reverse of 21291209 is 90219212
Previous prime number is 199

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8

Name

Name	twenty-one million two hundred ninety-one thousand two hundred nine

Notation

Scientific notation	2.1291209 × 10^7
Engineering notation	2.1291209 × 10^6

Prime Factorization of 21291209

Prime Factorization 97 × 199 × 1103

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21291209	Product of the distinct prime numbers

The prime factorization of 21291209 is 97 × 199 × 1103. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 9, 74, 71, 281, 173, 535, 7592, 50466, 7984, 965276, 526059, 9927009, 3423584, 90044245, 6846581, 879087588, 123949593, 7739713109, 5574844492

Basic calculations (n = 21291209)

Multiplication

n×y

n×2	42582418
n×3	63873627
n×4	85164836
n×5	106456045

Division

n÷y

n÷2	10645604.5
n÷3	7097069.6666667
n÷3	5322802.25
n÷5	4258241.8

Exponentiation

n^y

n²	453315580681681
n³	9.65163677125E+21
n⁴	2.0549501568877E+29
n⁵	4.3752373274879E+36

Nth Root

^y√n

²√n	4614.2398073789
³√n	277.16184332373
⁴√n	67.928195967351
⁵√n	29.217298974682

Divisors of 21291209

1, 97, 199, 1103, 19303, 106991, 219497, 21291209

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	-21291208	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 21291209 can be divided by 8 positive divisors. The sum of these divisors (counting 21291209) is 1, the average is 0.125.

Base conversion 21291209

Base	System	Value
2	Binary	1010001001110000011001001
3	Ternary	1111001201001022
4	Quaternary	1101032003021
5	Quinary	20422304314
6	Senary	2040202225
8	Octal	121160311
10	Decimal	21291209
12	Duodecimal	7169375
16	Hexadecimal	144e0c9
20	Vigesimal	6d1809
36	Base36	coceh

Cryptographic Hash Functions

md5	83cdcaa7a3027145e236a203f84ac3f9
sha1	c963229302fb43f576e821314b5d43446887271a
sha256	abc881ae00509a1b67cb44e8c446ac5050e8a2e3f32e15f2d361d15f334f5f25
sha512	bdc3f0dffcfbbb1fd6d17329846087b8c69fcf1673b7859b1d547e16f568b6e9515b78e3cba3d6789e00a138f352018a3939317a46d8af4ed57a4faf4774d9b1
ripemd-160	94ad293c09745fe6b51fe51acdd8df94f82f94ff

21291209 as geometric shapes

Circle

Radius = n

Diameter	42582418
Circumference	133776611.56089
Area	1.4241328980274E+15

Sphere

Radius = n

Volume	4.0428681567568E+22
Surface area	5.6965315921094E+15
Circumference	133776611.56089

Square

Length = n

Perimeter	85164836
Area	453315580681681
Diagonal	30110316.52712

Cube

Length = n

Surface area	2719893484090086
Volume	9.65163677125E+21
Space diagonal	36877455.742568

Equilateral Triangle

Length = n

Perimeter	63873627
Area	1.9629140440082E+14
Altitude	18438727.871284

Triangular Pyramid

Length = n

Surface area	1.9629140440082E+14
Volume	1.1374563017501E+21
Height	10036772.175707