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

121808 (number)

121808 is an even 6-digits composite number following 121807 and preceding 121809. In scientific notation, it is written as 1.21808 × 10^5. The sum of its digits is 20. It has a total of 6 prime factors and 20 positive divisors. There are 58080 positive integers (up to 121808) that are relatively prime to 121808.

Interesting facts

121808 has 20 divisors, whose sum is 247008
The reverse of 121808 is 808121
Previous prime number is 23

Basic properties

Is Prime? no
Number parity even
Number length 6
Sum of Digits 20
Digital Root 2

Name

Name	one hundred twenty-one thousand eight hundred eight

Notation

Scientific notation	1.21808 × 10^5
Engineering notation	1.21808 × 10^3

Prime Factorization of 121808

Prime Factorization 2 × 2 × 2 × 2 × 23 × 331

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	6	Total number of prime factors
rad	Radical	15226	Product of the distinct prime numbers

The prime factorization of 121808 is 2 × 2 × 2 × 2 × 23 × 331. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 4, 79, 95, 93, 932, 9492, 9264, 37072, 36240, 434789, 221122, 5720532, 8054751, 97493125, 66032942, 812066532, 909222721, 1549100729, 7326704856

Basic calculations (n = 121808)

Multiplication

n×y

n×2	243616
n×3	365424
n×4	487232
n×5	609040

Division

n÷y

n÷2	60904
n÷3	40602.666666667
n÷3	30452
n÷5	24361.6

Exponentiation

n^y

n²	14837188864
n³	1807288301146112
n⁴	2.2014217338601E+20
n⁵	2.6815077855803E+25

Nth Root

^y√n

²√n	349.01002850921
³√n	49.57072500701
⁴√n	18.681810097237
⁵√n	10.402438634109

Divisors of 121808

1, 2, 4, 8, 16, 23, 46, 92, 184, 331, 368, 662, 1324, 2648, 5296, 7613, 15226, 30452, 60904, 121808

20 divisors

τ	Total Divisors	20	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-121807	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.05	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	20	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 121808 can be divided by 20 positive divisors. The sum of these divisors (counting 121808) is 1, the average is 0.05.

Base conversion 121808

Base	System	Value
2	Binary	11101101111010000
3	Ternary	20012002102
4	Quaternary	131233100
5	Quinary	12344213
6	Senary	2335532
8	Octal	355720
10	Decimal	121808
12	Duodecimal	5a5a8
16	Hexadecimal	1dbd0
20	Vigesimal	f4a8
36	Base36	2lzk

Cryptographic Hash Functions

md5	586b6414c2c706422e2d2a03111d0218
sha1	f753dc226cd44f1a024a789eb7c3475f7a521887
sha256	b77bb130344246cc39c1c63da86821ec146fd83206179163c1d52421ba3d358c
sha512	0cdaeaafe52ff87e73d8f5e5356ddcb666088420c232e1d2ff340476f5937de79861240cf5e6df1e166ada084300fb721120f8e8e0bf82756063cc4ad7993acd
ripemd-160	61c9c6532f0dc820f2be37e798bf7d3bc44d45ff

121808 as geometric shapes

Circle

Radius = n

Diameter	243616
Circumference	765342.23589693
Area	46612403535.067

Sphere

Radius = n

Volume	7.5703515330659E+15
Surface area	186449614140.27
Circumference	765342.23589693

Square

Length = n

Perimeter	487232
Area	14837188864
Diagonal	172262.52560554

Cube

Length = n

Surface area	89023133184
Volume	1807288301146112
Space diagonal	210977.64476835

Equilateral Triangle

Length = n

Perimeter	365424
Area	6424691238.4858
Altitude	105488.82238417

Triangular Pyramid

Length = n

Surface area	6424691238.4858
Volume	2.1299096888326E+14
Height	57420.841868514