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

21131965 (number)

21131965 is an odd 8-digits composite number following 21131964 and preceding 21131966. In scientific notation, it is written as 2.1131965 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 16747152 positive integers (up to 21131965) that are relatively prime to 21131965.

Interesting facts

21131965 has 8 divisors, whose sum is 25596000
The reverse of 21131965 is 56913112
Previous prime number is 107

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 nine hundred sixty-five

Notation

Scientific notation	2.1131965 × 10^7
Engineering notation	2.1131965 × 10^6

Prime Factorization of 21131965

Prime Factorization 5 × 107 × 39499

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21131965	Product of the distinct prime numbers

The prime factorization of 21131965 is 5 × 107 × 39499. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 9, 43, 65, 419, 145, 9592, 2004, 49528, 79352, 204414, 301067, 8864197, 9181109, 18023516, 94682379, 482450436, 641941963, 7624806339, 2680582218

Basic calculations (n = 21131965)

Multiplication

n×y

n×2	42263930
n×3	63395895
n×4	84527860
n×5	105659825

Division

n÷y

n÷2	10565982.5
n÷3	7043988.3333333
n÷3	5282991.25
n÷5	4226393

Exponentiation

n^y

n²	446559944761225
n³	9.4366891230961E+21
n⁴	1.9941578426515E+29
n⁵	4.2140473735387E+36

Nth Root

^y√n

²√n	4596.9517073818
³√n	276.46911834491
⁴√n	67.800823795746
⁵√n	29.173462460518

Divisors of 21131965

1, 5, 107, 535, 39499, 197495, 4226393, 21131965

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	-21131964	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 21131965 can be divided by 8 positive divisors. The sum of these divisors (counting 21131965) is 1, the average is 0.125.

Base conversion 21131965

Base	System	Value
2	Binary	1010000100111001010111101
3	Ternary	1110202121121101
4	Quaternary	1100213022331
5	Quinary	20402210330
6	Senary	2032533101
8	Octal	120471275
10	Decimal	21131965
12	Duodecimal	70b1191
16	Hexadecimal	14272bd
20	Vigesimal	6c19i5
36	Base36	ckxj1

Cryptographic Hash Functions

md5	52da26dae6ff0779fb202b88d7c1e292
sha1	700caae0525486bf2e8d5b6d01713c61ad2a0112
sha256	8afb41533f92620944ebd626929dc4d2f1929040563fd1c3da0c685dfe041502
sha512	500572f04b0979735329862dcbc51909485d6a0dd7eb68c06e50dbddd9a8786f57984cb24bec6fadc6937ce05c3fd56770f4ee4433935198c6524b734fc1e82f
ripemd-160	19513171b162329c2a8d13697c30f6fe77438c97

21131965 as geometric shapes

Circle

Radius = n

Diameter	42263930
Circumference	132776051.99983
Area	1.4029094418493E+15

Sphere

Radius = n

Volume	3.9528310964439E+22
Surface area	5.6116377673973E+15
Circumference	132776051.99983

Square

Length = n

Perimeter	84527860
Area	446559944761225
Diagonal	29885111.502594

Cube

Length = n

Surface area	2679359668567350
Volume	9.4366891230961E+21
Space diagonal	36601637.043767

Equilateral Triangle

Length = n

Perimeter	63395895
Area	1.933661282379E+14
Altitude	18300818.521884

Triangular Pyramid

Length = n

Surface area	1.933661282379E+14
Volume	1.1121244784818E+21
Height	9961703.8341979