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

21909897 (number)

21909897 is an odd 8-digits composite number following 21909896 and preceding 21909898. In scientific notation, it is written as 2.1909897 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 6 positive divisors. There are 14606592 positive integers (up to 21909897) that are relatively prime to 21909897.

Interesting facts

21909897 has 6 divisors, whose sum is 31647642
The reverse of 21909897 is 79890912
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9

Name

Name	twenty-one million nine hundred nine thousand eight hundred ninety-seven

Notation

Scientific notation	2.1909897 × 10^7
Engineering notation	2.1909897 × 10^6

Prime Factorization of 21909897

Prime Factorization 3 × 3 × 2434433

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	7303299	Product of the distinct prime numbers

The prime factorization of 21909897 is 3 × 3 × 2434433. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 9, 63, 83, 406, 958, 5699, 2327, 93203, 26561, 32807, 634941, 7286283, 4735451, 95176708, 7375243, 143112597, 487898265, 2859538131, 535738029

Basic calculations (n = 21909897)

Multiplication

n×y

n×2	43819794
n×3	65729691
n×4	87639588
n×5	109549485

Division

n÷y

n÷2	10954948.5
n÷3	7303299
n÷3	5477474.25
n÷5	4381979.4

Exponentiation

n^y

n²	480043586550609
n³	1.0517705536834E+22
n⁴	2.3044184498837E+29
n⁵	5.0489570881852E+36

Nth Root

^y√n

²√n	4680.8008930097
³√n	279.82087608006
⁴√n	68.416378835844
⁵√n	29.385160502412

Divisors of 21909897

1, 3, 9, 2434433, 7303299, 21909897

6 divisors

τ	Total Divisors	6	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21909896	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.16666666666667	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	6	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21909897 can be divided by 6 positive divisors. The sum of these divisors (counting 21909897) is 1, the average is 0.16666666666667.

Base conversion 21909897

Base	System	Value
2	Binary	1010011100101000110001001
3	Ternary	1112020010201200
4	Quaternary	1103211012021
5	Quinary	21102104042
6	Senary	2101334413
8	Octal	123450611
10	Decimal	21909897
12	Duodecimal	7407409
16	Hexadecimal	14e5189
20	Vigesimal	6gieeh
36	Base36	d1ls9

Cryptographic Hash Functions

md5	f03a46a3da377afce2a8c4762d6813e1
sha1	d384f2c76868eb1fa736bd6a22b2370b5052c764
sha256	743df8af888d43e0f5957e259d5c85add9109c5f9200af70657ebe1822ccd72d
sha512	59634c737c593652e85401ff76221315980cdda29fcd60bf74a342f1dcb99298eb133f0e74384a66c778f16c8d135152ac1d54e06cd71eb787bcbfb272a8dca6
ripemd-160	58dc96cc0c35eea22e8ff394b513089469d90498

21909897 as geometric shapes

Circle

Radius = n

Diameter	43819794
Circumference	137663942.91222
Area	1.5081014049103E+15

Sphere

Radius = n

Volume	4.405646192952E+22
Surface area	6.0324056196412E+15
Circumference	137663942.91222

Square

Length = n

Perimeter	87639588
Area	480043586550609
Diagonal	30985273.487598

Cube

Length = n

Surface area	2880261519303654
Volume	1.0517705536834E+22
Space diagonal	37949054.792601

Equilateral Triangle

Length = n

Perimeter	65729691
Area	2.0786497043831E+14
Altitude	18974527.3963

Triangular Pyramid

Length = n

Surface area	2.0786497043831E+14
Volume	1.2395234846032E+21
Height	10328424.495866