121145 is an odd 6-digits composite number following 121144
and preceding 121146 . In scientific notation, it is written as 1.21145 × 10^5.
The sum of its digits is 14. It has a total of 2 prime factors and 4 positive divisors.
There are 96912 positive integers (up to 121145) that are relatively prime to 121145.
121145 has 4 divisors, whose sum is 145380
The reverse of 121145 is 541121
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 14
Digital Root 5
Name
one hundred twenty-one thousand one hundred forty-five
Scientific notation
1.21145 × 10^5
Engineering notation
1.21145 × 10^3
Prime Factorization
5 × 24229
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
121145
Product of the distinct prime numbers
The prime factorization of 121145 is 5 × 24229.
Since it has a total of 2 prime factors.
1 , 3 , 15 , 52 , 475 , 71 , 1606 , 6207 , 17237 , 65842 , 677111 , 777860 , 2674332 , 4588789 , 68866400 , 55202380 , 240248773 , 289927876 , 9610218654 , 7271502839
n×2
242290
n×3
363435
n×4
484580
n×5
605725
n÷2
60572.5
n÷3
40381.666666667
n÷3
30286.25
n÷5
24229
n2
14676111025
n3
1777937470123625
n4
2.1538823481813E+20
n5
2.6093207707042E+25
2 √n
348.05890306096
3 √n
49.480623644385
4 √n
18.656336807127
5 √n
10.391089819961
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
-121144
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 121145 can be divided by 4 positive divisors.
The sum of these divisors (counting 121145) is 1, the average is 0.25.
Base
System
Value
2
Binary
11101100100111001
3
Ternary
20011011212
4
Quaternary
131210321
5
Quinary
12334040
6
Senary
2332505
8
Octal
354471
10
Decimal
121145
12
Duodecimal
5a135
16
Hexadecimal
1d939
20
Vigesimal
f2h5
36
Base36
2lh5
md5
afe9d019402affbd0ca905709c840ef7
sha1
ec158c495adfaaf022993498b8461b6168583b8b
sha256
d05449ea4ea6ce8401751ea050a27afbac601a5eb6bc5300933090a495ee1da3
sha512
03bfd245d42d86c98bb0eaf145daeb2da0148776d2dc22826a45ba8cbf555bfbaac39ef1ce7a595d06e8af297b57df60ee68134b2a2de3dae16115b6567d2ebc
ripemd-160
4cdb7a4f838363631975f9f4c5e1762b56ed8210
Diameter
242290
Circumference
761176.48403827
Area
46106362579.408
Volume
7.4474070595765E+15
Surface area
184425450317.63
Circumference
761176.48403827
Perimeter
484580
Area
14676111025
Diagonal
171324.90201369
Surface area
88056666150
Volume
1777937470123625
Space diagonal
209829.29508293
Perimeter
363435
Area
6354942488.2054
Altitude
104914.64754147
Surface area
6354942488.2054
Volume
2.0953194027501E+14
Height
57108.30067123