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

21085211 (number)

21085211 is an odd 8-digits composite number following 21085210 and preceding 21085212. In scientific notation, it is written as 2.1085211 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 18044928 positive integers (up to 21085211) that are relatively prime to 21085211.

Interesting facts

21085211 has 8 divisors, whose sum is 24134880
The reverse of 21085211 is 11258012
Previous prime number is 3917

Basic properties

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

Name

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

Notation

Scientific notation	2.1085211 × 10^7
Engineering notation	2.1085211 × 10^6

Prime Factorization of 21085211

Prime Factorization 7 × 3917 × 769

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21085211	Product of the distinct prime numbers

The prime factorization of 21085211 is 7 × 3917 × 769. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 10, 70, 23, 335, 226, 361, 2987, 64708, 49070, 525240, 856529, 4916070, 3778593, 49068624, 24272768, 97606592, 409162428, 2378922251, 3836643982

Basic calculations (n = 21085211)

Multiplication

n×y

n×2	42170422
n×3	63255633
n×4	84340844
n×5	105426055

Division

n÷y

n÷2	10542605.5
n÷3	7028403.6666667
n÷3	5271302.75
n÷5	4217042.2

Exponentiation

n^y

n²	444586122914521
n³	9.3741922093246E+21
n⁴	1.9765682068817E+29
n⁵	4.1676357697991E+36

Nth Root

^y√n

²√n	4591.8635650463
³√n	276.26507387563
⁴√n	67.763290689328
⁵√n	29.160541894206

Divisors of 21085211

1, 7, 769, 3917, 5383, 27419, 3012173, 21085211

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	-21085210	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 21085211 can be divided by 8 positive divisors. The sum of these divisors (counting 21085211) is 1, the average is 0.125.

Base conversion 21085211

Base	System	Value
2	Binary	1010000011011110000011011
3	Ternary	1110200020110202
4	Quaternary	1100123300123
5	Quinary	20344211321
6	Senary	2031532415
8	Octal	120336033
10	Decimal	21085211
12	Duodecimal	708a10b
16	Hexadecimal	141bc1b
20	Vigesimal	6bfd0b
36	Base36	cjxgb

Cryptographic Hash Functions

md5	2ae6d5b684436a71cd22d7e264a6e81a
sha1	12e4b31ca17055ba661a0253ae7aebbf481aa5f1
sha256	69966140074dc9911bead4d5815dacfa523a6e2999e42580b9409665faaec508
sha512	511dc32dd0aed19b9840c6ca042bdcbbecebd2605c21e84e17ada2700543e6195f0e27a21d2efac36457a9c596fb6724bcc80f388c1c6403f638d9babada58b3
ripemd-160	4bdf8c8f946c7a0d1ec99f28b3556fb34942cd65

21085211 as geometric shapes

Circle

Radius = n

Diameter	42170422
Circumference	132482287.95398
Area	1.3967084976362E+15

Sphere

Radius = n

Volume	3.9266524504204E+22
Surface area	5.5868339905449E+15
Circumference	132482287.95398

Square

Length = n

Perimeter	84340844
Area	444586122914521
Diagonal	29818991.361698

Cube

Length = n

Surface area	2667516737487126
Volume	9.3741922093246E+21
Space diagonal	36520656.74031

Equilateral Triangle

Length = n

Perimeter	63255633
Area	1.92511438307E+14
Altitude	18260328.370155

Triangular Pyramid

Length = n

Surface area	1.92511438307E+14
Volume	1.1047591465599E+21
Height	9939663.7872328