12154989 is an odd 8-digits composite number following 12154988
and preceding 12154990 . In scientific notation, it is written as 1.2154989 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 6313440 positive integers (up to 12154989) that are relatively prime to 12154989.
12154989 has 8 divisors, whose sum is 12780600
The reverse of 12154989 is 98945121
Previous prime number is 49
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twelve million one hundred fifty-four thousand nine hundred eighty-nine
Scientific notation
1.2154989 × 10^7
Engineering notation
1.2154989 × 10^6
Prime Factorization
33 × 49 × 7517
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12154989
Product of the distinct prime numbers
The prime factorization of 12154989 is 33 × 49 × 7517.
Since it has a total of 3 prime factors.
7 , 7 , 54 , 56 , 609 , 379 , 7203 , 5676 , 3835 , 36833 , 463730 , 490916 , 5349654 , 7070211 , 52555891 , 85974447 , 998830195 , 526643891 , 2078255502 , 4142273406
n×2
24309978
n×3
36464967
n×4
48619956
n×5
60774945
n÷2
6077494.5
n÷3
4051663
n÷3
3038747.25
n÷5
2430997.8
n2
147743757590121
n3
1.7958237483266E+21
n4
2.1828217906848E+28
n5
2.6532174854735E+35
2 √n
3486.4005793942
3 √n
229.924291402
4 √n
59.045749884256
5 √n
26.118661325344
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
-12154988
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 12154989 can be divided by 8 positive divisors.
The sum of these divisors (counting 12154989) is 1, the average is 0.125.
Base
System
Value
2
Binary
101110010111100001101101
3
Ternary
211212112111210
4
Quaternary
232113201231
5
Quinary
11102424424
6
Senary
1112305033
8
Octal
56274155
10
Decimal
12154989
12
Duodecimal
40a2179
16
Hexadecimal
b9786d
20
Vigesimal
3fj799
36
Base36
78iul
md5
b39185c7b6efea1b10d7700a892d112f
sha1
2c37b6eb9de126f9b00580a485b12f182f5b9420
sha256
9581b6361b3bbf3804603a0d46952140954fa8715ebb982c05d980b87a31dd37
sha512
fd0b92816c421c3b28ba5a345ee87ebd3f06da5e491dccc52b085910265e6ff50f6408ce5d3ffecfb2201915d8c4b45b14a8c502d6109a693cee15b429b39ecf
ripemd-160
d1fa8039bf2f115c5a5290aab32841d9cccbcdfa
Diameter
24309978
Circumference
76372048.293729
Area
4.6415070345888E+14
Volume
7.5223289265132E+21
Surface area
1.8566028138355E+15
Circumference
76372048.293729
Perimeter
48619956
Area
147743757590121
Diagonal
17189750.294296
Surface area
886462545540726
Volume
1.7958237483266E+21
Space diagonal
21053058.513441
Perimeter
36464967
Area
63974923661807
Altitude
10526529.25672
Surface area
63974923661807
Volume
2.1163985837626E+20
Height
5729916.7647653