12920145 is an odd 8-digits composite number following 12920144
and preceding 12920146 . In scientific notation, it is written as 1.2920145 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 5906304 positive integers (up to 12920145) that are relatively prime to 12920145.
12920145 has 8 divisors, whose sum is 16242600
The reverse of 12920145 is 54102921
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twelve million nine hundred twenty thousand one hundred forty-five
Scientific notation
1.2920145 × 10^7
Engineering notation
1.2920145 × 10^6
Prime Factorization
21 × 5 × 123049
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12920145
Product of the distinct prime numbers
The prime factorization of 12920145 is 21 × 5 × 123049.
Since it has a total of 3 prime factors.
5 , 3 , 89 , 89 , 931 , 773 , 539 , 9974 , 85419 , 96677 , 462469 , 321034 , 116175 , 7707353 , 30822987 , 11604391 , 236557568 , 553997463 , 7498870211 , 8800686671
n×2
25840290
n×3
38760435
n×4
51680580
n×5
64600725
n÷2
6460072.5
n÷3
4306715
n÷3
3230036.25
n÷5
2584029
n2
166930146821025
n3
2.1567617017989E+21
n4
2.7865673917689E+28
n5
3.6002854753926E+35
2 √n
3594.4603211052
3 √n
234.65102874264
4 √n
59.953818236249
5 √n
26.439514588522
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
-12920144
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 12920145 can be divided by 8 positive divisors.
The sum of these divisors (counting 12920145) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001010010010101010001
3
Ternary
220022102002220
4
Quaternary
301102111101
5
Quinary
11301421040
6
Senary
1140531253
8
Octal
61222521
10
Decimal
12920145
12
Duodecimal
43b0b29
16
Hexadecimal
c52551
20
Vigesimal
40f075
36
Base36
7ox8x
md5
c1693d957ef72a0da86470298d5b6728
sha1
e632aa20e52c0e004bb5c85bd80afc0c5295bed9
sha256
3e4888817d9b45cb6a7b5ec8094d6d815152bf5a66e87e1f1156464f3a3840af
sha512
5d5de9d59b13b7752bd9e32ad2ea4b9ebd3dd6692d31792f8290e1995a5327ae94036c205d35e87221c20dcaadd8b693adba572f265593c805cffde423c001b1
ripemd-160
71c295531932bcd43692fbf45b66954a44248a8d
Diameter
25840290
Circumference
81179665.23063
Area
5.244265229156E+14
Volume
9.0342222905538E+21
Surface area
2.0977060916624E+15
Circumference
81179665.23063
Perimeter
51680580
Area
166930146821025
Diagonal
18271844.286827
Surface area
1001580880926150
Volume
2.1567617017989E+21
Space diagonal
22378347.581157
Perimeter
38760435
Area
72282873902237
Altitude
11189173.790578
Surface area
72282873902237
Volume
2.5417680412424E+20
Height
6090614.7622756