121808081 is an odd 9-digits prime number following 121808080
and preceding 121808082 . In scientific notation, it is written as 1.21808081 × 10^8.
The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors.
There are 121808080 positive integers (up to 121808081) that are relatively prime to 121808081.
121808081 has 2 divisors, whose sum is 121808082
The reverse of 121808081 is 180808121
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2
Name
one hundred twenty-one million eight hundred eight thousand eighty-one
Scientific notation
1.21808081 × 10^8
Engineering notation
1.21808081 × 10^6
Prime Factorization
121808081
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
121808081
Product of the distinct prime numbers
The prime factorization of 121808081 is 121808081.
Since it has a total of 1 prime factors.
10 , 9 , 43 , 21 , 32 , 571 , 4732 , 5669 , 66746 , 81369 , 422217 , 699378 , 7184708 , 2157200 , 73979957 , 50725479 , 230930953 , 608897972 , 9873728037 , 673119298
n×2
243616162
n×3
365424243
n×4
487232324
n×5
609040405
n÷2
60904040.5
n÷3
40602693.666667
n÷3
30452020.25
n÷5
24361616.2
n2
14837208596902561
n3
1.8072919065854E+24
n4
2.20142758948E+32
n5
2.6815167013501E+40
2 √n
11036.66983288
3 √n
495.7073599487
4 √n
105.05555593532
5 √n
41.412859622566
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
121808082
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
60904041
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
11036.669878183
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999835807
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 121808081 can be divided by 2 positive divisors.
The sum of these divisors (counting 121808081) is 121808082, the average is 60904041.
Base
System
Value
2
Binary
111010000101010010011010001
3
Ternary
22111012111021102
4
Quaternary
13100222103101
5
Quinary
222140324311
6
Senary
20030434145
8
Octal
720522321
10
Decimal
121808081
12
Duodecimal
34962955
16
Hexadecimal
742a4d1
20
Vigesimal
1i16041
36
Base36
20irpt
md5
b31d1bc06f7661e09dd394f96bda6788
sha1
d770822273e2173e2d9b9cc437961f697ca5bdc0
sha256
44c028c96679adc892c1c84f320021a21fc04dc8a23370de012758cb15994bc1
sha512
62439aefae66bdd4fba5db523e49b0977b140f76715f04de85f201a40f888ecdc29a10ca90ec935bd1cbd5c8a37d9407abd2400589f4a0006df61ad76176cec3
ripemd-160
c96517885f7a7b3d5aa65a640164bb2482baf79c
Diameter
243616162
Circumference
765342744.83494
Area
4.6612465527808E+16
Volume
7.5703666354947E+24
Surface area
1.8644986211123E+17
Circumference
765342744.83494
Perimeter
487232324
Area
14837208596902561
Diagonal
172262640.15684
Surface area
89023251581415366
Volume
1.8072919065854E+24
Space diagonal
210977785.06447
Perimeter
365424243
Area
6.4246997830832E+15
Altitude
105488892.53223
Surface area
6.4246997830832E+15
Volume
2.1299139378835E+23
Height
57420880.05228