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

21031238 (number)

21031238 is an even 8-digits composite number following 21031237 and preceding 21031239. In scientific notation, it is written as 2.1031238 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 10450944 positive integers (up to 21031238) that are relatively prime to 21031238.

Interesting facts

21031238 has 8 divisors, whose sum is 31740888
The reverse of 21031238 is 83213012
Previous prime number is 163

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2

Name

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

Notation

Scientific notation	2.1031238 × 10^7
Engineering notation	2.1031238 × 10^6

Prime Factorization of 21031238

Prime Factorization 2 × 163 × 64513

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21031238	Product of the distinct prime numbers

The prime factorization of 21031238 is 2 × 163 × 64513. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 1, 2, 1, 907, 264, 1965, 8674, 89474, 73030, 218597, 666514, 5644600, 2960634, 67813902, 83119290, 248132150, 458740013, 6479114115, 7939259234

Basic calculations (n = 21031238)

Multiplication

n×y

n×2	42062476
n×3	63093714
n×4	84124952
n×5	105156190

Division

n÷y

n÷2	10515619
n÷3	7010412.6666667
n÷3	5257809.5
n÷5	4206247.6

Exponentiation

n^y

n²	442312971812644
n³	9.302389380679E+21
n⁴	1.9564076503373E+29
n⁵	4.1145674919265E+36

Nth Root

^y√n

²√n	4585.9827736266
³√n	276.0291487103
⁴√n	67.719884625024
⁵√n	29.14559780938

Divisors of 21031238

1, 2, 163, 326, 64513, 129026, 10515619, 21031238

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	-21031237	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 21031238 can be divided by 8 positive divisors. The sum of these divisors (counting 21031238) is 1, the average is 0.125.

Base conversion 21031238

Base	System	Value
2	Binary	1010000001110100101000110
3	Ternary	1110120111102202
4	Quaternary	1100032211012
5	Quinary	20340444423
6	Senary	2030434502
8	Octal	120164506
10	Decimal	21031238
12	Duodecimal	7062a32
16	Hexadecimal	140e946
20	Vigesimal	6b8i1i
36	Base36	cirt2

Cryptographic Hash Functions

md5	6ab04c9d6b0b9a9bfcf3166618243008
sha1	f57891774d29a4320e9e1b08fabcd4725f7ae981
sha256	dc3ed102894932930c096d566e095b08c0e6d59e3e4ef52573e1b920e3c8f426
sha512	399c899654c0c58523cef3389cf6dad2b7bff9d797ec6752a66c4031001f31a23500e0bcf5e72e57b78fa17d74c5f7ee7ac0e0e920548957315830e50018205b
ripemd-160	09b0d761f5892d367ace36466cc51ef5c3b0189f

21031238 as geometric shapes

Circle

Radius = n

Diameter	42062476
Circumference	132143165.5934
Area	1.3895671828341E+15

Sphere

Radius = n

Volume	3.8965757518897E+22
Surface area	5.5582687313363E+15
Circumference	132143165.5934

Square

Length = n

Perimeter	84124952
Area	442312971812644
Diagonal	29742662.013096

Cube

Length = n

Surface area	2653877830875864
Volume	9.302389380679E+21
Space diagonal	36427172.762073

Equilateral Triangle

Length = n

Perimeter	63093714
Area	1.9152713500657E+14
Altitude	18213586.381037

Triangular Pyramid

Length = n

Surface area	1.9152713500657E+14
Volume	1.0962971020526E+21
Height	9914220.6710321