78161331 is an odd 8-digits composite number following 78161330
and preceding 78161332 . In scientific notation, it is written as 7.8161331 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 52107552 positive integers (up to 78161331) that are relatively prime to 78161331.
78161331 has 4 divisors, whose sum is 104215112
The reverse of 78161331 is 13316187
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
seventy-eight million one hundred sixty-one thousand three hundred thirty-one
Scientific notation
7.8161331 × 10^7
Engineering notation
7.8161331 × 10^6
Prime Factorization
3 × 26053777
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78161331
Product of the distinct prime numbers
The prime factorization of 78161331 is 3 × 26053777.
Since it has a total of 2 prime factors.
10 , 3 , 82 , 24 , 576 , 898 , 4175 , 733 , 43251 , 91176 , 858808 , 862437 , 9927464 , 5248421 , 90818030 , 6341417 , 738713744 , 694278195 , 5680827752 , 8832831260
n×2
156322662
n×3
234483993
n×4
312645324
n×5
390806655
n÷2
39080665.5
n÷3
26053777
n÷3
19540332.75
n÷5
15632266.2
n2
6109193663691561
n3
4.775027080909E+23
n4
3.7322247220489E+31
n5
2.9171565186645E+39
2 √n
8840.8897176698
3 √n
427.56024321152
4 √n
94.026005539265
5 √n
37.896437827276
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78161330
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78161331 can be divided by 4 positive divisors.
The sum of these divisors (counting 78161331) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101010001010010110110011
3
Ternary
12110002000012010
4
Quaternary
10222022112303
5
Quinary
130002130311
6
Senary
11431134003
8
Octal
452122663
10
Decimal
78161331
12
Duodecimal
22214303
16
Hexadecimal
4a8a5b3
20
Vigesimal
148a36b
36
Base36
1aj9o3
md5
2d08906bfad25f127536329aef86c196
sha1
e76ef7a352c2b12431900f847b776f67ba76c268
sha256
88eae6ab69cbf779d652ce9e90bb2b7a99951a54d34ecdca3b6faf88e8069fc8
sha512
4338769afe828ea764eb5704e0747d500f9b75c43614b91b8ad9b3fd2143cb58a9d98a9e0771ed4617f11f32913dab634635be7785e9156ec2910033084ae3ec
ripemd-160
398a5d5ce71c61520ec1ac3a81dba350f0c77d2d
Diameter
156322662
Circumference
491102126.5288
Area
1.9192597933211E+16
Volume
2.0001586664101E+24
Surface area
7.6770391732843E+16
Circumference
491102126.5288
Perimeter
312645324
Area
6109193663691561
Diagonal
110536814.35333
Surface area
36655161982149366
Volume
4.775027080909E+23
Space diagonal
135379396.47921
Perimeter
234483993
Area
2.6453584546979E+15
Altitude
67689698.239604
Surface area
2.6453584546979E+15
Volume
5.6274233821003E+22
Height
36845604.784444