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

121805 (number)

121805 is an odd 6-digits composite number following 121804 and preceding 121806. In scientific notation, it is written as 1.21805 × 10^5. The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors. There are 91648 positive integers (up to 121805) that are relatively prime to 121805.

Interesting facts

121805 has 8 divisors, whose sum is 154872
The reverse of 121805 is 508121
Previous prime number is 17

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 17
Digital Root 8

Name

Name	one hundred twenty-one thousand eight hundred five

Notation

Scientific notation	1.21805 × 10^5
Engineering notation	1.21805 × 10^3

Prime Factorization of 121805

Prime Factorization 5 × 17 × 1433

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	121805	Product of the distinct prime numbers

The prime factorization of 121805 is 5 × 17 × 1433. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 5, 68, 13, 744, 375, 1197, 7622, 5900, 57556, 744298, 991803, 3931987, 5364822, 59539492, 10841786, 140240907, 130245468, 1141032443, 9667740743

Basic calculations (n = 121805)

Multiplication

n×y

n×2	243610
n×3	365415
n×4	487220
n×5	609025

Division

n÷y

n÷2	60902.5
n÷3	40601.666666667
n÷3	30451.25
n÷5	24361

Exponentiation

n^y

n²	14836458025
n³	1807154769735125
n⁴	2.2012048672759E+20
n⁵	2.6811775885854E+25

Nth Root

^y√n

²√n	349.00573061198
³√n	49.570318045793
⁴√n	18.681695067953
⁵√n	10.40238739343

Divisors of 121805

1, 5, 17, 85, 1433, 7165, 24361, 121805

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	-121804	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 121805 can be divided by 8 positive divisors. The sum of these divisors (counting 121805) is 1, the average is 0.125.

Base conversion 121805

Base	System	Value
2	Binary	11101101111001101
3	Ternary	20012002022
4	Quaternary	131233031
5	Quinary	12344210
6	Senary	2335525
8	Octal	355715
10	Decimal	121805
12	Duodecimal	5a5a5
16	Hexadecimal	1dbcd
20	Vigesimal	f4a5
36	Base36	2lzh

Cryptographic Hash Functions

md5	0a3f971e5f16f8a3cf169fb99b206f9c
sha1	f1fa3b2fd30fa9dba93a7e216df25d5fb31b78a7
sha256	f0d4c984c2e265626546268d9657bce1d7c062935af0f4aec03d7240f11dc830
sha512	0be9bca14580fe0082285bbd8ef22160600bfc2d9eb932b8ede9f26e448c86e3351bb5627532a4a1b9846d07db5276b7791780027cfea790fed588eaf6052e78
ripemd-160	a433919d3e305428f9a2bf76f1c5ae867254ee7d

121805 as geometric shapes

Circle

Radius = n

Diameter	243610
Circumference	765323.38634101
Area	46610107536.633

Sphere

Radius = n

Volume	7.5697921979995E+15
Surface area	186440430146.53
Circumference	765323.38634101

Square

Length = n

Perimeter	487220
Area	14836458025
Diagonal	172258.28296485

Cube

Length = n

Surface area	89018748150
Volume	1807154769735125
Space diagonal	210972.44861593

Equilateral Triangle

Length = n

Perimeter	365415
Area	6424374775.9157
Altitude	105486.22430796

Triangular Pyramid

Length = n

Surface area	6424374775.9157
Volume	2.1297523205555E+14
Height	57419.427654952