121445866 is an even 9-digits composite number following 121445865
and preceding 121445867 . In scientific notation, it is written as 1.21445866 × 10^8.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 59891040 positive integers (up to 121445866) that are relatively prime to 121445866.
121445866 has 8 divisors, whose sum is 184664484
The reverse of 121445866 is 668544121
Previous prime number is 73
Is Prime? no
Number parity even
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred twenty-one million four hundred forty-five thousand eight hundred sixty-six
Scientific notation
1.21445866 × 10^8
Engineering notation
1.21445866 × 10^6
Prime Factorization
2 × 73 × 831821
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
121445866
Product of the distinct prime numbers
The prime factorization of 121445866 is 2 × 73 × 831821.
Since it has a total of 3 prime factors.
10 , 1 , 18 , 2 , 460 , 560 , 4439 , 3571 , 97780 , 95444 , 212046 , 320248 , 1924842 , 1238034 , 6315313 , 36508079 , 46574811 , 607971382 , 8900746319 , 4621342215
n×2
242891732
n×3
364337598
n×4
485783464
n×5
607229330
n÷2
60722933
n÷3
40481955.333333
n÷3
30361466.5
n÷5
24289173.2
n2
14749098368489956
n3
1.7912170240804E+24
n4
2.1753590268339E+32
n5
2.6418836087476E+40
2 √n
11020.248000839
3 √n
495.21551816426
4 √n
104.9773689937
5 √n
41.388200777156
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
-121445865
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 121445866 can be divided by 8 positive divisors.
The sum of these divisors (counting 121445866) is 1, the average is 0.125.
Base
System
Value
2
Binary
111001111010001110111101010
3
Ternary
22110112002102001
4
Quaternary
13033101313222
5
Quinary
222042231431
6
Senary
20015001214
8
Octal
717216752
10
Decimal
121445866
12
Duodecimal
3480920a
16
Hexadecimal
73d1dea
20
Vigesimal
1hj0ed6
36
Base36
20b08a
md5
62192c1d4e3fd01b3ef4e61b24dca799
sha1
a7771d1072d00d13ddb42d684471361bd9825da5
sha256
2efb6da0d936a29e66f632f6749b3d1161d1cd89df1ccaf5096d912d2ec8efa7
sha512
88023490e77b5ddb475d9a2500e8d46e6e4941a065860c699769cb8cf55647c0e0a454ca9b9d0af62e59af5e6273a40ea1179930e63b0805e6c29177b4972341
ripemd-160
f24455dc451ecd0a50a578b9f44bf37e3ee4a3f5
Diameter
242891732
Circumference
763066880.8689
Area
4.6335659081521E+16
Volume
7.5030323251148E+24
Surface area
1.8534263632608E+17
Circumference
763066880.8689
Perimeter
485783464
Area
14749098368489956
Diagonal
171750390.79135
Surface area
88494590210939736
Volume
1.7912170240804E+24
Space diagonal
210350410.2812
Perimeter
364337598
Area
6.386546935014E+15
Altitude
105175205.1406
Surface area
6.386546935014E+15
Volume
2.1109695071735E+23
Height
57250130.263782