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

21085105 (number)

21085105 is an odd 8-digits composite number following 21085104 and preceding 21085106. In scientific notation, it is written as 2.1085105 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 16738800 positive integers (up to 21085105) that are relatively prime to 21085105.

Interesting facts

21085105 has 8 divisors, whose sum is 25496064
The reverse of 21085105 is 50158012
Previous prime number is 131

Basic properties

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

Name

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

Notation

Scientific notation	2.1085105 × 10^7
Engineering notation	2.1085105 × 10^6

Prime Factorization of 21085105

Prime Factorization 5 × 131 × 32191

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21085105	Product of the distinct prime numbers

The prime factorization of 21085105 is 5 × 131 × 32191. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 10, 89, 15, 71, 134, 34, 9251, 54565, 9690, 204389, 318776, 8484243, 3632279, 56103875, 33432733, 7013123, 138346289, 5096634871, 6370919978

Basic calculations (n = 21085105)

Multiplication

n×y

n×2	42170210
n×3	63255315
n×4	84340420
n×5	105425525

Division

n÷y

n÷2	10542552.5
n÷3	7028368.3333333
n÷3	5271276.25
n÷5	4217021

Exponentiation

n^y

n²	444581652861025
n³	9.3740508316483E+21
n⁴	1.9765284606064E+29
n⁵	4.1675310127375E+36

Nth Root

^y√n

²√n	4591.852022877
³√n	276.2646109264
⁴√n	67.76320552392
⁵√n	29.160512574854

Divisors of 21085105

1, 5, 131, 655, 32191, 160955, 4217021, 21085105

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	-21085104	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 21085105 can be divided by 8 positive divisors. The sum of these divisors (counting 21085105) is 1, the average is 0.125.

Base conversion 21085105

Base	System	Value
2	Binary	1010000011011101110110001
3	Ternary	1110200020022211
4	Quaternary	1100123232301
5	Quinary	20344210410
6	Senary	2031532121
8	Octal	120335661
10	Decimal	21085105
12	Duodecimal	708a041
16	Hexadecimal	141bbb1
20	Vigesimal	6bfcf5
36	Base36	cjxdd

Cryptographic Hash Functions

md5	2e950b9dd0907dde083b4851299ac364
sha1	77b124c76fd426d2cdb22ab48557c4b955fef819
sha256	65ec6f0a8e928a626433d1309bd481adf6b977ba75eaab7bb8a333084dec5902
sha512	11b1fcfa5846329b72bb3cdb008cdec48f593f7aca333ad03b2091f79e53a5bee8adfb9c068875b6647edbaa16d9dfecd8800e946c7aa5ec4080a0082a847dd7
ripemd-160	0d140f228fd175ad1018b3cdc060d1d46ea7e564

21085105 as geometric shapes

Circle

Radius = n

Diameter	42170210
Circumference	132481621.93634
Area	1.396694454549E+15

Sphere

Radius = n

Volume	3.9265932302778E+22
Surface area	5.586777818196E+15
Circumference	132481621.93634

Square

Length = n

Perimeter	84340420
Area	444581652861025
Diagonal	29818841.455061

Cube

Length = n

Surface area	2667489917166150
Volume	9.3740508316483E+21
Space diagonal	36520473.142925

Equilateral Triangle

Length = n

Perimeter	63255315
Area	1.9250950271706E+14
Altitude	18260236.571462

Triangular Pyramid

Length = n

Surface area	1.9250950271706E+14
Volume	1.104742485041E+21
Height	9939613.8183536