121555439 is an odd 9-digits composite number following 121555438
and preceding 121555440 . In scientific notation, it is written as 1.21555439 × 10^8.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 119890224 positive integers (up to 121555439) that are relatively prime to 121555439.
121555439 has 4 divisors, whose sum is 123220656
The reverse of 121555439 is 934555121
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred twenty-one million five hundred fifty-five thousand four hundred thirty-nine
Scientific notation
1.21555439 × 10^8
Engineering notation
1.21555439 × 10^6
Prime Factorization
73 × 1665143
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
121555439
Product of the distinct prime numbers
The prime factorization of 121555439 is 73 × 1665143.
Since it has a total of 2 prime factors.
8 , 10 , 92 , 77 , 597 , 32 , 7031 , 6703 , 29048 , 27188 , 518215 , 960953 , 6742753 , 3101533 , 77825249 , 93571721 , 450118340 , 379374404 , 1201364283 , 6246706728
n×2
243110878
n×3
364666317
n×4
486221756
n×5
607777195
n÷2
60777719.5
n÷3
40518479.666667
n÷3
30388859.75
n÷5
24311087.8
n2
14775724750482721
n3
1.7960697085881E+24
n4
2.1832204190203E+32
n5
2.6538231646777E+40
2 √n
11025.218319834
3 √n
495.36440737937
4 √n
105.00103961311
5 √n
41.395666479677
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-121555438
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 121555439 can be divided by 4 positive divisors.
The sum of these divisors (counting 121555439) is 1, the average is 0.25.
Base
System
Value
2
Binary
111001111101100100111101111
3
Ternary
22110201122201022
4
Quaternary
13033230213233
5
Quinary
222104233224
6
Senary
20021204355
8
Octal
717544757
10
Decimal
121555439
12
Duodecimal
348606bb
16
Hexadecimal
73ec9ef
20
Vigesimal
1hje8bj
36
Base36
20dcrz
md5
e4380309d6abcca0d3a8b2c99ffc9a37
sha1
4afef5eb806668eff4a32794d143dafcd60f6d99
sha256
c340b3a12e93d15c1e2ccbdb9ccebec678096ea5aa38f3ec9e57bfffc696f742
sha512
cadb0c2b124fe631ef0f75f1c0aea0dfc3a504717b9ddcae8773bb1cdfb0a4a5c71154d05c962f2a65edf8539e1122ef7ef9d25f330d48cc5f4273dd19c3a2db
ripemd-160
973182cfc6795fae1782b1049f5c2c383829c970
Diameter
243110878
Circumference
763755348.33256
Area
4.6419308327581E+16
Volume
7.5233592024473E+24
Surface area
1.8567723331033E+17
Circumference
763755348.33256
Perimeter
486221756
Area
14775724750482721
Diagonal
171905350.41402
Surface area
88654348502896326
Volume
1.7960697085881E+24
Space diagonal
210540196.28434
Perimeter
364666317
Area
6.3980764966223E+15
Altitude
105270098.14217
Surface area
6.3980764966223E+15
Volume
2.1166884507106E+23
Height
57301783.471338