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

21131239 (number)

21131239 is an odd 8-digits composite number following 21131238 and preceding 21131240. In scientific notation, it is written as 2.1131239 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 21090160 positive integers (up to 21131239) that are relatively prime to 21131239.

Interesting facts

21131239 has 4 divisors, whose sum is 21172320
The reverse of 21131239 is 93213112
Previous prime number is 521

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4

Name

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

Notation

Scientific notation	2.1131239 × 10^7
Engineering notation	2.1131239 × 10^6

Prime Factorization of 21131239

Prime Factorization 521 × 40559

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21131239	Product of the distinct prime numbers

The prime factorization of 21131239 is 521 × 40559. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 1, 27, 56, 416, 379, 7927, 3884, 32072, 55540, 291280, 290346, 3923419, 4833753, 8113127, 33275673, 111623157, 16580784, 1383058636, 6341471411

Basic calculations (n = 21131239)

Multiplication

n×y

n×2	42262478
n×3	63393717
n×4	84524956
n×5	105656195

Division

n÷y

n÷2	10565619.5
n÷3	7043746.3333333
n÷3	5282809.75
n÷5	4226247.8

Exponentiation

n^y

n²	446529261675121
n³	9.4357165489505E+21
n⁴	1.9938838153213E+29
n⁵	4.2133235439786E+36

Nth Root

^y√n

²√n	4596.8727413319
³√n	276.465952227
⁴√n	67.80024145482
⁵√n	29.173262003771

Divisors of 21131239

1, 521, 40559, 21131239

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	-21131238	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 21131239 can be divided by 4 positive divisors. The sum of these divisors (counting 21131239) is 1, the average is 0.25.

Base conversion 21131239

Base	System	Value
2	Binary	1010000100110111111100111
3	Ternary	1110202120121111
4	Quaternary	1100212333213
5	Quinary	20402144424
6	Senary	2032525451
8	Octal	120467747
10	Decimal	21131239
12	Duodecimal	70b0887
16	Hexadecimal	1426fe7
20	Vigesimal	6c181j
36	Base36	ckwyv

Cryptographic Hash Functions

md5	194e72a862016966065f98602d9f9ada
sha1	8082a004696a9ba975869cfab883ee38fb48a9ff
sha256	9b42b6893a6fab702f42670ebb816e963e5e8d61ed094975dda652b6d7a7c265
sha512	c1cde31c7af086c2633d6b77bb040343b8abd7b02bc988e52ce7545becd08b2019c411270c8606950086cb8a97364bb1a1e239631e71062704bd2ab74ac583c8
ripemd-160	99bfbbeef627be33decb162ce263c3b75c94e4a4

21131239 as geometric shapes

Circle

Radius = n

Diameter	42262478
Circumference	132771490.4073
Area	1.4028130480914E+15

Sphere

Radius = n

Volume	3.9524237055385E+22
Surface area	5.6112521923657E+15
Circumference	132771490.4073

Square

Length = n

Perimeter	84524956
Area	446529261675121
Diagonal	29884084.783547

Cube

Length = n

Surface area	2679175570050726
Volume	9.4357165489505E+21
Space diagonal	36600379.574881

Equilateral Triangle

Length = n

Perimeter	63393717
Area	1.9335284207188E+14
Altitude	18300189.78744

Triangular Pyramid

Length = n

Surface area	1.9335284207188E+14
Volume	1.1120098595195E+21
Height	9961361.5945158