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

21085965 (number)

21085965 is an odd 8-digits composite number following 21085964 and preceding 21085966. In scientific notation, it is written as 2.1085965 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 11245824 positive integers (up to 21085965) that are relatively prime to 21085965.

Interesting facts

21085965 has 8 divisors, whose sum is 29988992
The reverse of 21085965 is 56958012
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9

Name

Name	twenty-one million eighty-five thousand nine hundred sixty-five

Notation

Scientific notation	2.1085965 × 10^7
Engineering notation	2.1085965 × 10^6

Prime Factorization of 21085965

Prime Factorization 15 × 3 × 468577

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21085965	Product of the distinct prime numbers

The prime factorization of 21085965 is 15 × 3 × 468577. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 4, 34, 56, 373, 249, 4200, 1313, 2069, 97006, 716210, 232776, 3377100, 5355740, 28998, 20140874, 343620400, 109767455, 9628732395, 2699306341

Basic calculations (n = 21085965)

Multiplication

n×y

n×2	42171930
n×3	63257895
n×4	84343860
n×5	105429825

Division

n÷y

n÷2	10542982.5
n÷3	7028655
n÷3	5271491.25
n÷5	4217193

Exponentiation

n^y

n²	444617919981225
n³	9.3751978990969E+21
n⁴	1.9768509476843E+29
n⁵	4.1683809893088E+36

Nth Root

^y√n

²√n	4591.9456660549
³√n	276.26836688485
⁴√n	67.763896479282
⁵√n	29.160750445442

Divisors of 21085965

1, 3, 15, 45, 468577, 1405731, 7028655, 21085965

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	-21085964	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 21085965 can be divided by 8 positive divisors. The sum of these divisors (counting 21085965) is 1, the average is 0.125.

Base conversion 21085965

Base	System	Value
2	Binary	1010000011011111100001101
3	Ternary	1110200021111200
4	Quaternary	1100123330031
5	Quinary	20344222330
6	Senary	2031540113
8	Octal	120337415
10	Decimal	21085965
12	Duodecimal	708a639
16	Hexadecimal	141bf0d
20	Vigesimal	6bfei5
36	Base36	cjy19

Cryptographic Hash Functions

md5	03279579e200c77d878bed495e61b10b
sha1	4e25b52288545e6ce3635be1f3ad18c0fae37319
sha256	688828189798b573f3698cefc04086ccb51c7cdd8ab370f6d2ad8db2e63199be
sha512	3ffa47e89be68ab238a603843285d7d6e93da06728921343789ca4a9ea086adc142e805b6cb4d1448afa534e42015b45d577bc967be6dd903be3992ada13a28c
ripemd-160	d6522c700e9ff33830d23c2b6a68bb7fa6c97726

21085965 as geometric shapes

Circle

Radius = n

Diameter	42171930
Circumference	132487025.4757
Area	1.3968083910674E+15

Sphere

Radius = n

Volume	3.9270737127671E+22
Surface area	5.5872335642696E+15
Circumference	132487025.4757

Square

Length = n

Perimeter	84343860
Area	444617919981225
Diagonal	29820057.678724

Cube

Length = n

Surface area	2667707519887350
Volume	9.3751978990969E+21
Space diagonal	36521962.706619

Equilateral Triangle

Length = n

Perimeter	63257895
Area	1.9252520684077E+14
Altitude	18260981.35331

Triangular Pyramid

Length = n

Surface area	1.9252520684077E+14
Volume	1.1048776682362E+21
Height	9940019.2262415