121138145 is an odd 9-digits composite number following 121138144
and preceding 121138146 . In scientific notation, it is written as 1.21138145 × 10^8.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 96910512 positive integers (up to 121138145) that are relatively prime to 121138145.
121138145 has 4 divisors, whose sum is 145365780
The reverse of 121138145 is 541831121
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 26
Digital Root 8
Name
one hundred twenty-one million one hundred thirty-eight thousand one hundred forty-five
Scientific notation
1.21138145 × 10^8
Engineering notation
1.21138145 × 10^6
Prime Factorization
5 × 24227629
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
121138145
Product of the distinct prime numbers
The prime factorization of 121138145 is 5 × 24227629.
Since it has a total of 2 prime factors.
1 , 10 , 84 , 96 , 710 , 49 , 9873 , 4522 , 93997 , 8791 , 764897 , 939121 , 5340314 , 3239179 , 16753366 , 5082474 , 879470310 , 281865544 , 3616594308 , 2770702064
n×2
242276290
n×3
363414435
n×4
484552580
n×5
605690725
n÷2
60569072.5
n÷3
40379381.666667
n÷3
30284536.25
n÷5
24227629
n2
14674450174041025
n3
1.7776356729783E+24
n4
2.1533948791041E+32
n5
2.6085826110717E+40
2 √n
11006.277526939
3 √n
494.79690338366
4 √n
104.91080748397
5 √n
41.367205502667
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
-121138144
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 121138145 can be divided by 4 positive divisors.
The sum of these divisors (counting 121138145) is 1, the average is 0.25.
Base
System
Value
2
Binary
111001110000110101111100001
3
Ternary
22102221110021222
4
Quaternary
13032012233201
5
Quinary
222002410040
6
Senary
20004224425
8
Octal
716065741
10
Decimal
121138145
12
Duodecimal
3469b115
16
Hexadecimal
7386be1
20
Vigesimal
1hh2575
36
Base36
204esh
md5
b0f1668922c5df5703730f584f047025
sha1
3c0736d8af912782a04abfb45ef2dc051f2e1427
sha256
967bd3110410929e560a6623cbb04c20a9efc69c8fee818fba0e1bd1463cc60b
sha512
f6883183ec80a4781482027efa6fbf895dd5628e6a75c3b500fc449e1fb1bb95226cf69916a4bc201d36df86c4f8a0b0959f69115b74782d9bee54d51bd44158
ripemd-160
b287b5428d35041f4e18c129e951746e94f6a819
Diameter
242276290
Circumference
761133412.80299
Area
4.6101144862237E+16
Volume
7.4461428946502E+24
Surface area
1.8440457944895E+17
Circumference
761133412.80299
Perimeter
484552580
Area
14674450174041025
Diagonal
171315207.57972
Surface area
88046701044246150
Volume
1.7776356729783E+24
Space diagonal
209817421.87465
Perimeter
363414435
Area
6.3542233186443E+15
Altitude
104908710.93732
Surface area
6.3542233186443E+15
Volume
2.0949637314034E+23
Height
57105069.19324