12145428 is an even 8-digits composite number following 12145427
and preceding 12145429 . In scientific notation, it is written as 1.2145428 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 3917520 positive integers (up to 12145428) that are relatively prime to 12145428.
12145428 has 24 divisors, whose sum is 24380160
The reverse of 12145428 is 82454121
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twelve million one hundred forty-five thousand four hundred twenty-eight
Scientific notation
1.2145428 × 10^7
Engineering notation
1.2145428 × 10^6
Prime Factorization
2 × 2 × 9 × 31 × 10883
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6072714
Product of the distinct prime numbers
The prime factorization of 12145428 is 2 × 2 × 9 × 31 × 10883.
Since it has a total of 5 prime factors.
6 , 8 , 38 , 16 , 636 , 67 , 328 , 614 , 31663 , 28561 , 714950 , 646986 , 4296293 , 3385068 , 41604228 , 96071861 , 488439606 , 541333234 , 2377335442 , 5618226342
n×2
24290856
n×3
36436284
n×4
48581712
n×5
60727140
n÷2
6072714
n÷3
4048476
n÷3
3036357
n÷5
2429085.6
n2
147511421303184
n3
1.7915893466155E+21
n4
2.1759619414885E+28
n5
2.6427989091089E+35
2 √n
3485.029124699
3 √n
229.86399016023
4 √n
59.034135249862
5 √n
26.114551093255
1 , 2 , 4 , 9 , 18 , 31 , 36 , 62 , 124 , 279 , 558 , 1116 , 10883 , 21766 , 43532 , 97947 , 195894 , 337373 , 391788 , 674746 , 1349492 , 3036357 , 6072714 , 12145428
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12145427
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12145428 can be divided by 24 positive divisors.
The sum of these divisors (counting 12145428) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
101110010101001100010100
3
Ternary
211212001101200
4
Quaternary
232111030110
5
Quinary
11102123203
6
Senary
1112152500
8
Octal
56251424
10
Decimal
12145428
12
Duodecimal
4098730
16
Hexadecimal
b95314
20
Vigesimal
3fi3b8
36
Base36
78bh0
md5
85f363517a537d8cde067d8f21fb742b
sha1
a16bff52171e41b838322bfe26731472cd79f2d9
sha256
d1887dff73b653c1b65b33bf1f37b00d6a5a08df2d230b2d4d6c1e5b0de008ff
sha512
d2bddd8e7a521ad281e57ee0ce51e5cd7d715ca60aa8ff86ea436ee77ebd49701fe354cde13ad84e28721251ff394f44e9bf2daab2826ca94fb008fd5d1f47ee
ripemd-160
f037d771eba3278770065b722b43f971866f049f
Diameter
24290856
Circumference
76311974.759008
Area
4.6342079748667E+14
Volume
7.5045919061026E+21
Surface area
1.8536831899467E+15
Circumference
76311974.759008
Perimeter
48581712
Area
147511421303184
Diagonal
17176228.998426
Surface area
885068527819104
Volume
1.7915893466155E+21
Space diagonal
21036498.37567
Perimeter
36436284
Area
63874319098453
Altitude
10518249.187835
Surface area
63874319098453
Volume
2.111408293489E+20
Height
5725409.666142