121389495 is an odd 9-digits composite number following 121389494
and preceding 121389496 . In scientific notation, it is written as 1.21389495 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 64741056 positive integers (up to 121389495) that are relatively prime to 121389495.
121389495 has 8 divisors, whose sum is 194223216
The reverse of 121389495 is 594983121
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred twenty-one million three hundred eighty-nine thousand four hundred ninety-five
Scientific notation
1.21389495 × 10^8
Engineering notation
1.21389495 × 10^6
Prime Factorization
3 × 5 × 8092633
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
121389495
Product of the distinct prime numbers
The prime factorization of 121389495 is 3 × 5 × 8092633.
Since it has a total of 3 prime factors.
4 , 2 , 59 , 6 , 8 , 98 , 6920 , 5657 , 24352 , 56570 , 67792 , 634322 , 489133 , 1558128 , 2242024 , 42340622 , 221286160 , 749204004 , 3599449732 , 7853615184
n×2
242778990
n×3
364168485
n×4
485557980
n×5
606947475
n÷2
60694747.5
n÷3
40463165
n÷3
30347373.75
n÷5
24277899
n2
14735409496355025
n3
1.7887239173807E+24
n4
2.1713229302527E+32
n5
2.635757939853E+40
2 √n
11017.690093663
3 √n
495.13888562777
4 √n
104.96518515043
5 √n
41.384357867322
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
-121389494
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 121389495 can be divided by 8 positive divisors.
The sum of these divisors (counting 121389495) is 1, the average is 0.125.
Base
System
Value
2
Binary
111001111000100000110110111
3
Ternary
22110102020002020
4
Quaternary
13033010012313
5
Quinary
222033430440
6
Senary
20013444223
8
Octal
717040667
10
Decimal
121389495
12
Duodecimal
347a0673
16
Hexadecimal
73c41b7
20
Vigesimal
1hiddef
36
Base36
209sqf
md5
994e402878e0974ef8393cbddd8348a6
sha1
cd4b76b109ed522686447cd137964989077cbd8d
sha256
99fe85c9f936c2d5f99187796c5437c0c1c43362fdde9d9ac2f9a37a56bf6894
sha512
df32b7cc7630c91c29d48cd749f275c61504f2e70f00efb4022fcf92268a8d26ad3d51a7553d398d7284424dd354b8b2e221e86b78f8ee2303b432628bd90cd4
ripemd-160
35bda2d2f9396d24ccf9640e23ad4f468e79c41a
Diameter
242778990
Circumference
762712691.42995
Area
4.6292654221386E+16
Volume
7.4925892241916E+24
Surface area
1.8517061688554E+17
Circumference
762712691.42995
Perimeter
485557980
Area
14735409496355025
Diagonal
171670670.15862
Surface area
88412456978130150
Volume
1.7887239173807E+24
Space diagonal
210252772.84513
Perimeter
364168485
Area
6.380619479505E+15
Altitude
105126386.42256
Surface area
6.380619479505E+15
Volume
2.1080313527508E+23
Height
57223556.71954