78165740 is an even 8-digits composite number following 78165739
and preceding 78165741 . In scientific notation, it is written as 7.8165740 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 31266288 positive integers (up to 78165740) that are relatively prime to 78165740.
78165740 has 12 divisors, whose sum is 164148096
The reverse of 78165740 is 04756187
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-eight million one hundred sixty-five thousand seven hundred forty
Scientific notation
7.8165740 × 10^7
Engineering notation
7.8165740 × 10^6
Prime Factorization
2 × 2 × 5 × 3908287
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
39082870
Product of the distinct prime numbers
The prime factorization of 78165740 is 2 × 2 × 5 × 3908287.
Since it has a total of 4 prime factors.
2 , 6 , 66 , 69 , 912 , 389 , 4518 , 3312 , 29861 , 39114 , 963782 , 292128 , 3754426 , 4890610 , 19177263 , 22940166 , 335480973 , 489372511 , 8300720155 , 7428549233
n×2
156331480
n×3
234497220
n×4
312662960
n×5
390828700
n÷2
39082870
n÷3
26055246.666667
n÷3
19541435
n÷5
15633148
n2
6109882909747600
n3
4.7758351895377E+23
n4
3.7330669170826E+31
n5
2.9179793804328E+39
2 √n
8841.139066885
3 √n
427.56828247102
4 √n
94.027331488695
5 √n
37.896865357418
1 , 2 , 4 , 5 , 10 , 20 , 3908287 , 7816574 , 15633148 , 19541435 , 39082870 , 78165740
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78165739
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78165740 can be divided by 12 positive divisors.
The sum of these divisors (counting 78165740) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100101010001011011011101100
3
Ternary
12110002020020102
4
Quaternary
10222023123230
5
Quinary
130002300430
6
Senary
11431210232
8
Octal
452133354
10
Decimal
78165740
12
Duodecimal
22216978
16
Hexadecimal
4a8b6ec
20
Vigesimal
148ae70
36
Base36
1ajd2k
md5
b0ad5995a8bcad91a443c5a5aff955c4
sha1
1f3e312328c8041c558d96c94c85baea54512112
sha256
2cc0d2187fa232400e5a504e5a570dad9a76822677b4f26906ac8a4254886833
sha512
486eb9c533f215261be2aaf48942e4cce8dc47ac6d45b70aba8b6d37321c25e5cce91068a67a6888b0979892b247ccbbaf3c1a6be0a769be4bb3a0a0a753765a
ripemd-160
da92a624d92d0c3b517631c52f015152b8e19110
Diameter
156331480
Circumference
491129829.09282
Area
1.9194763263557E+16
Volume
2.000497166161E+24
Surface area
7.6779053054228E+16
Circumference
491129829.09282
Perimeter
312662960
Area
6109882909747600
Diagonal
110543049.62093
Surface area
36659297458485600
Volume
4.7758351895377E+23
Space diagonal
135387033.09122
Perimeter
234497220
Area
2.6456569069949E+15
Altitude
67693516.545609
Surface area
2.6456569069949E+15
Volume
5.6283757472525E+22
Height
36847683.206976