121565668 is an even 9-digits composite number following 121565667
and preceding 121565669 . In scientific notation, it is written as 1.21565668 × 10^8.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 52099488 positive integers (up to 121565668) that are relatively prime to 121565668.
121565668 has 12 divisors, whose sum is 217081900
The reverse of 121565668 is 866565121
Previous prime number is 49
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred twenty-one million five hundred sixty-five thousand six hundred sixty-eight
Scientific notation
1.21565668 × 10^8
Engineering notation
1.21565668 × 10^6
Prime Factorization
2 × 2 × 49 × 620233
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
60782834
Product of the distinct prime numbers
The prime factorization of 121565668 is 2 × 2 × 49 × 620233.
Since it has a total of 4 prime factors.
5 , 3 , 90 , 97 , 399 , 224 , 3125 , 7045 , 18791 , 11094 , 609063 , 836388 , 7471162 , 5830871 , 77425516 , 96908830 , 877674100 , 457192809 , 1954250016 , 8921596353
n×2
243131336
n×3
364697004
n×4
486262672
n×5
607828340
n÷2
60782834
n÷3
40521889.333333
n÷3
30391417
n÷5
24313133.6
n2
14778211636286224
n3
1.7965231694105E+24
n4
2.1839553916687E+32
n5
2.654939960704E+40
2 √n
11025.682201116
3 √n
495.37830211042
4 √n
105.00324852649
5 √n
41.396363152773
1 , 2 , 4 , 49 , 98 , 196 , 620233 , 1240466 , 2480932 , 30391417 , 60782834 , 121565668
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-121565667
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 121565668 can be divided by 12 positive divisors.
The sum of these divisors (counting 121565668) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111001111101111000111100100
3
Ternary
22110202011202011
4
Quaternary
13033233013210
5
Quinary
222110100133
6
Senary
20021324004
8
Octal
717570744
10
Decimal
121565668
12
Duodecimal
34866604
16
Hexadecimal
73ef1e4
20
Vigesimal
1hjfe38
36
Base36
20dko4
md5
45c0425cceddffd60e7eb86cf324a438
sha1
a19b13939c09ec1b429daee1951e04891b85aff5
sha256
9a4fa3eb57592cac5fcdcf7a9f7f3a35c1178beb771821caa3d09c46b90345b4
sha512
7375ba66fd07af75a6582053e2d8dd2f534839d9882688c5470cdcd5dc7f2b430329993c1e596374a0a12941afaeb7e7299dcc1daa805c62c66ebce4ee8de510
ripemd-160
1efddf6b651c14e6c1be1677ef57e6b48ba89cfa
Diameter
243131336
Circumference
763819619.03507
Area
4.6427121109752E+16
Volume
7.5252586546985E+24
Surface area
1.8570848443901E+17
Circumference
763819619.03507
Perimeter
486262672
Area
14778211636286224
Diagonal
171919816.40454
Surface area
88669269817717344
Volume
1.7965231694105E+24
Space diagonal
210557913.43205
Perimeter
364697004
Area
6.3991533497633E+15
Altitude
105278956.71603
Surface area
6.3991533497633E+15
Volume
2.1172228594149E+23
Height
57306605.468182