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

21018839 (number)

21018839 is an odd 8-digits prime number following 21018838 and preceding 21018840. In scientific notation, it is written as 2.1018839 × 10^7. The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors. There are 21018838 positive integers (up to 21018839) that are relatively prime to 21018839.

Interesting facts

21018839 has 2 divisors, whose sum is 21018840
The reverse of 21018839 is 93881012
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

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

Notation

Scientific notation	2.1018839 × 10^7
Engineering notation	2.1018839 × 10^6

Prime Factorization of 21018839

Prime Factorization 21018839

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21018839	Product of the distinct prime numbers

The prime factorization of 21018839 is 21018839. Since it has a total of 1 prime factors.

Most popular turbo-numbers

6, 8, 11, 64, 92, 207, 2326, 6810, 50691, 89090, 622198, 57532, 9479411, 2036134, 16398526, 25998016, 228926278, 891249898, 2308113405, 1681964617

Basic calculations (n = 21018839)

Multiplication

n×y

n×2	42037678
n×3	63056517
n×4	84075356
n×5	105094195

Division

n÷y

n÷2	10509419.5
n÷3	7006279.6666667
n÷3	5254709.75
n÷5	4203767.8

Exponentiation

n^y

n²	441791592907921
n³	9.2859463628851E+21
n⁴	1.9517981156412E+29
n⁵	4.1024530353165E+36

Nth Root

^y√n

²√n	4584.630737584
³√n	275.97489357147
⁴√n	67.709901326054
⁵√n	29.142160431919

Divisors of 21018839

1, 21018839

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21018840	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10509420	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4584.630846644	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999048473	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21018839 can be divided by 2 positive divisors. The sum of these divisors (counting 21018839) is 21018840, the average is 10509420.

Base conversion 21018839

Base	System	Value
2	Binary	1010000001011100011010111
3	Ternary	1110112212102112
4	Quaternary	1100023203113
5	Quinary	20340100324
6	Senary	2030301235
8	Octal	120134327
10	Decimal	21018839
12	Duodecimal	705781b
16	Hexadecimal	140b8d7
20	Vigesimal	6b771j
36	Base36	cii8n

Cryptographic Hash Functions

md5	f73706f9b865e9e091d84471f1fbb90f
sha1	485f8fd8afcc161d8b43c67a686e0aa7e677cd05
sha256	09b1a48ea534932205632f6c37e91f3f21f60e5840045403fe06e8c513e6d973
sha512	d40b0ccc9ce30b588a0d87134703364a5a0744e7df24bddeea5aaf00aeb46c36cf0df55bc14ef12c3745d6458787122a3cb3862b27513cd8fb22d592258604f9
ripemd-160	68c1dba4aff54fc1ad490ddb550419e10112e454

21018839 as geometric shapes

Circle

Radius = n

Diameter	42037678
Circumference	132065260.37877
Area	1.3879292226973E+15

Sphere

Radius = n

Volume	3.8896881167025E+22
Surface area	5.551716890789E+15
Circumference	132065260.37877

Square

Length = n

Perimeter	84075356
Area	441791592907921
Diagonal	29725127.179137

Cube

Length = n

Surface area	2650749557447526
Volume	9.2859463628851E+21
Space diagonal	36405697.06411

Equilateral Triangle

Length = n

Perimeter	63056517
Area	1.9130137131833E+14
Altitude	18202848.532055

Triangular Pyramid

Length = n

Surface area	1.9130137131833E+14
Volume	1.0943592738218E+21
Height	9908375.7263788