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

21131839 (number)

21131839 is an odd 8-digits composite number following 21131838 and preceding 21131840. In scientific notation, it is written as 2.1131839 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 20977456 positive integers (up to 21131839) that are relatively prime to 21131839.

Interesting facts

21131839 has 4 divisors, whose sum is 21286224
The reverse of 21131839 is 93813112
Previous prime number is 137

Basic properties

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

Name

Name	twenty-one million one hundred thirty-one thousand eight hundred thirty-nine

Notation

Scientific notation	2.1131839 × 10^7
Engineering notation	2.1131839 × 10^6

Prime Factorization of 21131839

Prime Factorization 137 × 154247

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21131839	Product of the distinct prime numbers

The prime factorization of 21131839 is 137 × 154247. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 10, 90, 67, 235, 105, 1138, 8823, 17239, 37098, 907370, 357740, 5079785, 7394304, 99201026, 95985147, 203880, 162244629, 3163450217, 9332889042

Basic calculations (n = 21131839)

Multiplication

n×y

n×2	42263678
n×3	63395517
n×4	84527356
n×5	105659195

Division

n÷y

n÷2	10565919.5
n÷3	7043946.3333333
n÷3	5282959.75
n÷5	4226367.8

Exponentiation

n^y

n²	446554619521921
n³	9.4365203244435E+21
n⁴	1.9941102821637E+29
n⁵	4.2139217430927E+36

Nth Root

^y√n

²√n	4596.9380026274
³√n	276.46856885858
⁴√n	67.800722729388
⁵√n	29.173427670899

Divisors of 21131839

1, 137, 154247, 21131839

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	-21131838	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 21131839 can be divided by 4 positive divisors. The sum of these divisors (counting 21131839) is 1, the average is 0.25.

Base conversion 21131839

Base	System	Value
2	Binary	1010000100111001000111111
3	Ternary	1110202121102201
4	Quaternary	1100213020333
5	Quinary	20402204324
6	Senary	2032532331
8	Octal	120471077
10	Decimal	21131839
12	Duodecimal	70b10a7
16	Hexadecimal	142723f
20	Vigesimal	6c19bj
36	Base36	ckxfj

Cryptographic Hash Functions

md5	f2aae901f9c2f6fcfa308ba3a181e6c5
sha1	70b141f4716c6e1a7ecb1af5ce3d6aa2f99382b9
sha256	f541facbc0e37978e08c183a92fcf2bcabaeb0a716a524879dfe901a0cc3cc0c
sha512	9cd4f9b6f48e349a080ed54b1ccf367eaa7710f45e2ed6383d00a217f640021fce3cdc92ef5706674ca66f1a6eb6b7ba224ab59f98fc26cc3c74a541268d089c
ripemd-160	830b417f9cf7554b47c800a72430158a9d9c9f7b

21131839 as geometric shapes

Circle

Radius = n

Diameter	42263678
Circumference	132775260.31848
Area	1.4028927121167E+15

Sphere

Radius = n

Volume	3.9527603902297E+22
Surface area	5.6115708484666E+15
Circumference	132775260.31848

Square

Length = n

Perimeter	84527356
Area	446554619521921
Diagonal	29884933.311685

Cube

Length = n

Surface area	2679327717131526
Volume	9.4365203244435E+21
Space diagonal	36601418.805365

Equilateral Triangle

Length = n

Perimeter	63395517
Area	1.9336382234164E+14
Altitude	18300709.402683

Triangular Pyramid

Length = n

Surface area	1.9336382234164E+14
Volume	1.1121045853698E+21
Height	9961644.4372282