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

21085265 (number)

21085265 is an odd 8-digits composite number following 21085264 and preceding 21085266. In scientific notation, it is written as 2.1085265 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 16296000 positive integers (up to 21085265) that are relatively prime to 21085265.

Interesting facts

21085265 has 8 divisors, whose sum is 21640608
The reverse of 21085265 is 56258012
Previous prime number is 505

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

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

Notation

Scientific notation	2.1085265 × 10^7
Engineering notation	2.1085265 × 10^6

Prime Factorization of 21085265

Prime Factorization 43 × 505 × 971

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21085265	Product of the distinct prime numbers

The prime factorization of 21085265 is 43 × 505 × 971. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 6, 61, 29, 846, 714, 6495, 5927, 2145, 29617, 509143, 500851, 8270343, 5331898, 51723374, 34237812, 748963674, 61400680, 2620369592, 2106013345

Basic calculations (n = 21085265)

Multiplication

n×y

n×2	42170530
n×3	63255795
n×4	84341060
n×5	105426325

Division

n÷y

n÷2	10542632.5
n÷3	7028421.6666667
n÷3	5271316.25
n÷5	4217053

Exponentiation

n^y

n²	444588400120225
n³	9.374264232461E+21
n⁴	1.9765884552146E+29
n⁵	4.1676891374141E+36

Nth Root

^y√n

²√n	4591.8694450082
³√n	276.2653097171
⁴√n	67.763334075355
⁵√n	29.160556830434

Divisors of 21085265

1, 43, 505, 971, 21715, 41753, 490355, 21085265

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	-21085264	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 21085265 can be divided by 8 positive divisors. The sum of these divisors (counting 21085265) is 1, the average is 0.125.

Base conversion 21085265

Base	System	Value
2	Binary	1010000011011110001010001
3	Ternary	1110200020112202
4	Quaternary	1100123301101
5	Quinary	20344212030
6	Senary	2031532545
8	Octal	120336121
10	Decimal	21085265
12	Duodecimal	708a155
16	Hexadecimal	141bc51
20	Vigesimal	6bfd35
36	Base36	cjxht

Cryptographic Hash Functions

md5	d6056d9293bff1cc4334c20089005fa4
sha1	b75227b4c8979f3a11443aaec767944d710a11b7
sha256	49bb663a50aabedbf32bc5d1490f1ea4ca1bbc7f35f50c9d5fa038529e299ee7
sha512	1c89f5b65534b3096f222a85c061455794a7b8a9b937471ff9169e297033a19ca096d7ce18722274bab4c092d4afc85eaf0da15f0ccacc105506af804021e3da
ripemd-160	36b81e248b96c9a2e2f3f28358e955fe9ef5f83d

21085265 as geometric shapes

Circle

Radius = n

Diameter	42170530
Circumference	132482627.24599
Area	1.3967156516889E+15

Sphere

Radius = n

Volume	3.9266826194012E+22
Surface area	5.5868626067558E+15
Circumference	132482627.24599

Square

Length = n

Perimeter	84341060
Area	444588400120225
Diagonal	29819067.729231

Cube

Length = n

Surface area	2667530400721350
Volume	9.374264232461E+21
Space diagonal	36520750.271054

Equilateral Triangle

Length = n

Perimeter	63255795
Area	1.92512424366E+14
Altitude	18260375.135527

Triangular Pyramid

Length = n

Surface area	1.92512424366E+14
Volume	1.1047676345679E+21
Height	9939689.2430769