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

21909421 (number)

21909421 is an odd 8-digits composite number following 21909420 and preceding 21909422. In scientific notation, it is written as 2.1909421 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 21786844 positive integers (up to 21909421) that are relatively prime to 21909421.

Interesting facts

21909421 has 4 divisors, whose sum is 22032000
The reverse of 21909421 is 12490912
Previous prime number is 179

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

Name	twenty-one million nine hundred nine thousand four hundred twenty-one

Notation

Scientific notation	2.1909421 × 10^7
Engineering notation	2.1909421 × 10^6

Prime Factorization of 21909421

Prime Factorization 179 × 122399

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21909421	Product of the distinct prime numbers

The prime factorization of 21909421 is 179 × 122399. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 8, 94, 13, 446, 842, 9876, 9894, 27286, 46863, 782275, 459055, 2317638, 3959915, 91068977, 76836041, 654541863, 995397316, 3553087340, 4607026864

Basic calculations (n = 21909421)

Multiplication

n×y

n×2	43818842
n×3	65728263
n×4	87637684
n×5	109547105

Division

n÷y

n÷2	10954710.5
n÷3	7303140.3333333
n÷3	5477355.25
n÷5	4381884.2

Exponentiation

n^y

n²	480022728555241
n³	1.0517020049485E+22
n⁴	2.3042181992962E+29
n⁵	5.0484086604242E+36

Nth Root

^y√n

²√n	4680.750046734
³√n	279.81884966399
⁴√n	68.416007240513
⁵√n	29.385032820772

Divisors of 21909421

1, 179, 122399, 21909421

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	-21909420	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 21909421 can be divided by 4 positive divisors. The sum of these divisors (counting 21909421) is 1, the average is 0.25.

Base conversion 21909421

Base	System	Value
2	Binary	1010011100100111110101101
3	Ternary	1112020010002001
4	Quaternary	1103210332231
5	Quinary	21102100141
6	Senary	2101332301
8	Octal	123447655
10	Decimal	21909421
12	Duodecimal	7407091
16	Hexadecimal	14e4fad
20	Vigesimal	6gidb1
36	Base36	d1lf1

Cryptographic Hash Functions

md5	30c04d8f4f1ecc1c5a01212d57d8add2
sha1	c8497e4d444332cbfabd7ae499c14c1b98b0db9e
sha256	4f84b27ac756a9e3a85e6469e95fe0da4a7bf1f7df0c7154576a6470e71c5f29
sha512	255a6e3ec4694bd6571afd108dfd3cf02ef509f23d6efe02326dda2a708a9db7671949a75910087207cf998db703b33a0ce1ed6e174bdc19ba6148f13ec72f6a
ripemd-160	c4b332d58376720bb4eda617fab2f3045a76f292

21909421 as geometric shapes

Circle

Radius = n

Diameter	43818842
Circumference	137660952.11601
Area	1.5080358775853E+15

Sphere

Radius = n

Volume	4.4053590566827E+22
Surface area	6.0321435103411E+15
Circumference	137660952.11601

Square

Length = n

Perimeter	87637684
Area	480022728555241
Diagonal	30984600.321942

Cube

Length = n

Surface area	2880136371331446
Volume	1.0517020049485E+22
Space diagonal	37948230.336417

Equilateral Triangle

Length = n

Perimeter	65728263
Area	2.0785593866138E+14
Altitude	18974115.168208

Triangular Pyramid

Length = n

Surface area	2.0785593866138E+14
Volume	1.2394426991443E+21
Height	10328200.107314