12978345 is an odd 8-digits composite number following 12978344
and preceding 12978346 . In scientific notation, it is written as 1.2978345 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 6594560 positive integers (up to 12978345) that are relatively prime to 12978345.
12978345 has 16 divisors, whose sum is 17798400
The reverse of 12978345 is 54387921
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twelve million nine hundred seventy-eight thousand three hundred forty-five
Scientific notation
1.2978345 × 10^7
Engineering notation
1.2978345 × 10^6
Prime Factorization
3 × 205 × 47 × 449
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12978345
Product of the distinct prime numbers
The prime factorization of 12978345 is 3 × 205 × 47 × 449.
Since it has a total of 4 prime factors.
2 , 3 , 87 , 12 , 917 , 196 , 2602 , 4034 , 80000 , 90974 , 152730 , 808233 , 7670982 , 2471111 , 92247552 , 97957972 , 84936577 , 900834511 , 9960985093 , 3273310599
n×2
25956690
n×3
38935035
n×4
51913380
n×5
64891725
n÷2
6489172.5
n÷3
4326115
n÷3
3244586.25
n÷5
2595669
n2
168437438939025
n3
2.1860391934671E+21
n4
2.8371170836338E+28
n5
3.6821084316793E+35
2 √n
3602.5470156543
3 √n
235.00283684519
4 √n
60.021221377562
5 √n
26.463291637284
1 , 3 , 47 , 141 , 205 , 449 , 615 , 1347 , 9635 , 21103 , 28905 , 63309 , 92045 , 276135 , 4326115 , 12978345
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12978344
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12978345 can be divided by 16 positive divisors.
The sum of these divisors (counting 12978345) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001100000100010101001
3
Ternary
220102100221110
4
Quaternary
301200202221
5
Quinary
11310301340
6
Senary
1142100533
8
Octal
61404251
10
Decimal
12978345
12
Duodecimal
441a749
16
Hexadecimal
c608a9
20
Vigesimal
4125h5
36
Base36
7q65l
md5
936cebd91d7cefa2401697c374973f05
sha1
1b794d7c76d7ac296f74cdaba625a030ce0599f5
sha256
a294ad0da10da5b5bb259d82dd7e4498e6c5e5e6742fc29274a5d527f483351c
sha512
e9f440fe88b8870ec507f1ddf895138caa415af9174e21aed520f7a7a8a24468d3d420d01aba8a081dc3d12a5e15b419287c735745943e6c654b2e6c90b28a5d
ripemd-160
fc65e2957e4774214f4f319e60290ea546451258
Diameter
25956690
Circumference
81545346.615508
Area
5.2916182076032E+14
Volume
9.1568595608741E+21
Surface area
2.1166472830413E+15
Circumference
81545346.615508
Perimeter
51913380
Area
168437438939025
Diagonal
18354151.516157
Surface area
1010624633634150
Volume
2.1860391934671E+21
Space diagonal
22479152.938157
Perimeter
38935035
Area
72935550534793
Altitude
11239576.469079
Surface area
72935550534793
Volume
2.5762718960669E+20
Height
6118050.5053857