78128247 is an odd 8-digits composite number following 78128246
and preceding 78128248 . In scientific notation, it is written as 7.8128247 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 47520000 positive integers (up to 78128247) that are relatively prime to 78128247.
78128247 has 16 divisors, whose sum is 110011520
The reverse of 78128247 is 74282187
Previous prime number is 4141
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-eight million one hundred twenty-eight thousand two hundred forty-seven
Scientific notation
7.8128247 × 10^7
Engineering notation
7.8128247 × 10^6
Prime Factorization
3 × 19 × 4141 × 331
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78128247
Product of the distinct prime numbers
The prime factorization of 78128247 is 3 × 19 × 4141 × 331.
Since it has a total of 4 prime factors.
4 , 2 , 93 , 59 , 289 , 989 , 7393 , 2079 , 90818 , 90441 , 708860 , 743513 , 3339301 , 3648490 , 68423888 , 85392951 , 304358333 , 991292705 , 4135727294 , 1040975182
n×2
156256494
n×3
234384741
n×4
312512988
n×5
390641235
n÷2
39064123.5
n÷3
26042749
n÷3
19532061.75
n÷5
15625649.4
n2
6104022979293009
n3
4.7689661501988E+23
n4
3.7259096531737E+31
n5
2.9109878968284E+39
2 √n
8839.0184409809
3 √n
427.49990903182
4 √n
94.016054166195
5 √n
37.893229135552
1 , 3 , 19 , 57 , 331 , 993 , 4141 , 6289 , 12423 , 18867 , 78679 , 236037 , 1370671 , 4112013 , 26042749 , 78128247
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
-78128246
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 78128247 can be divided by 16 positive divisors.
The sum of these divisors (counting 78128247) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101010000010010001110111
3
Ternary
12110000022210210
4
Quaternary
10222002101313
5
Quinary
130000100442
6
Senary
11430320503
8
Octal
452022167
10
Decimal
78128247
12
Duodecimal
221b9133
16
Hexadecimal
4a82477
20
Vigesimal
14860c7
36
Base36
1aik53
md5
6989b0d8c3877b97cf21c8e11e891874
sha1
3c1b29db4ec374e8201835721eeab86b94ebb3b4
sha256
e27d61e8ec3a83cbc9ecd155b3f40ccf3bc267cf5dcd9fe43ed0178d0eeee38f
sha512
65ded5dccf0ace3327661cad8f51f501cc1ad089413711293789c9c3f159e87942e49e27cb38487b5980f9b48772c9bb0eca414b9023c0d0a7751df53d48b454
ripemd-160
23430bbdaa67d701fe96ad105e941886fd61c1b1
Diameter
156256494
Circumference
490894253.6261
Area
1.917635374909E+16
Volume
1.9976198696911E+24
Surface area
7.6705414996361E+16
Circumference
490894253.6261
Perimeter
312512988
Area
6104022979293009
Diagonal
110490026.51184
Surface area
36624137875758054
Volume
4.7689661501988E+23
Space diagonal
135322093.31029
Perimeter
234384741
Area
2.6431194826759E+15
Altitude
67661046.655145
Surface area
2.6431194826759E+15
Volume
5.6202805067578E+22
Height
36830008.837278