12978690 is an even 8-digits composite number following 12978689
and preceding 12978691 . In scientific notation, it is written as 1.2978690 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors.
There are 3380160 positive integers (up to 12978690) that are relatively prime to 12978690.
12978690 has 32 divisors, whose sum is 31876416
The reverse of 12978690 is 09687921
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twelve million nine hundred seventy-eight thousand six hundred ninety
Scientific notation
1.2978690 × 10^7
Engineering notation
1.2978690 × 10^6
Prime Factorization
2 × 5 × 3 × 43 × 10061
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
12978690
Product of the distinct prime numbers
The prime factorization of 12978690 is 2 × 5 × 3 × 43 × 10061.
Since it has a total of 5 prime factors.
7 , 1 , 48 , 33 , 236 , 96 , 2120 , 3905 , 58941 , 94186 , 755268 , 988800 , 1240576 , 5841133 , 40272993 , 80804699 , 825867810 , 140908036 , 2155105599 , 1235072046
n×2
25957380
n×3
38936070
n×4
51914760
n×5
64893450
n÷2
6489345
n÷3
4326230
n÷3
3244672.5
n÷5
2595738
n2
168446394116100
n3
2.1862135308507E+21
n4
2.8374187690716E+28
n5
3.6825978603963E+35
2 √n
3602.5948981255
3 √n
235.00491916668
4 √n
60.02162025575
5 √n
26.463432329161
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 43 , 86 , 129 , 215 , 258 , 430 , 645 , 1290 , 10061 , 20122 , 30183 , 50305 , 60366 , 100610 , 150915 , 301830 , 432623 , 865246 , 1297869 , 2163115 , 2595738 , 4326230 , 6489345 , 12978690
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12978689
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12978690 can be divided by 32 positive divisors.
The sum of these divisors (counting 12978690) is 1, the average is 0.03125.
Base
System
Value
2
Binary
110001100000101000000010
3
Ternary
220102101102020
4
Quaternary
301200220002
5
Quinary
11310304230
6
Senary
1142102310
8
Octal
61405002
10
Decimal
12978690
12
Duodecimal
441a996
16
Hexadecimal
c60a02
20
Vigesimal
4126ea
36
Base36
7q6f6
md5
c49b46e9d35ea5a0a48ceb78493e7036
sha1
a149ba58cc7ba01b00f6dcceb3c83d8143ab5315
sha256
0a751c4c7dde0af031642f9a196bdeca5ae477c4658d8fc821bf04503a3bdc6d
sha512
89f28ebece75fd1f82723c82e36444f4e21bc3f98d97a0f6d16548cc89efc828f037562308adaaf1fe521e8d7c6e285ca708ba9acb0ab80ea19042dfe52dcf24
ripemd-160
afce1b7c3412d420a4092ce932b4c983cc4fc85e
Diameter
25957380
Circumference
81547514.314439
Area
5.2918995427883E+14
Volume
9.1575898235988E+21
Surface area
2.1167598171153E+15
Circumference
81547514.314439
Perimeter
51914760
Area
168446394116100
Diagonal
18354639.419836
Surface area
1010678364696600
Volume
2.1862135308507E+21
Space diagonal
22479750.495686
Perimeter
38936070
Area
72939428240214
Altitude
11239875.247843
Surface area
72939428240214
Volume
2.5764773546438E+20
Height
6118213.1399454