78331321 is an odd 8-digits composite number following 78331320
and preceding 78331322 . In scientific notation, it is written as 7.8331321 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 78290212 positive integers (up to 78331321) that are relatively prime to 78331321.
78331321 has 4 divisors, whose sum is 78372432
The reverse of 78331321 is 12313387
Previous prime number is 2003
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
seventy-eight million three hundred thirty-one thousand three hundred twenty-one
Scientific notation
7.8331321 × 10^7
Engineering notation
7.8331321 × 10^6
Prime Factorization
2003 × 39107
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78331321
Product of the distinct prime numbers
The prime factorization of 78331321 is 2003 × 39107.
Since it has a total of 2 prime factors.
7 , 10 , 66 , 87 , 516 , 24 , 9415 , 4244 , 74141 , 42754 , 647441 , 398343 , 4363101 , 9415571 , 18018089 , 69826143 , 178131963 , 473723899 , 4119680134 , 4770576530
n×2
156662642
n×3
234993963
n×4
313325284
n×5
391656605
n÷2
39165660.5
n÷3
26110440.333333
n÷3
19582830.25
n÷5
15666264.2
n2
6135795849605041
n3
4.8062499428588E+23
n4
3.764799070803E+31
n5
2.9490168451558E+39
2 √n
8850.4983475508
3 √n
427.8699800855
4 √n
94.077087261197
5 √n
37.912907399868
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
-78331320
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 78331321 can be divided by 4 positive divisors.
The sum of these divisors (counting 78331321) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101010110011110110111001
3
Ternary
12110101122101001
4
Quaternary
10222303312321
5
Quinary
130023100241
6
Senary
11434525001
8
Octal
452636671
10
Decimal
78331321
12
Duodecimal
22296761
16
Hexadecimal
4ab3db9
20
Vigesimal
149b861
36
Base36
1amwu1
md5
8ee9b438791d3828944951119f868739
sha1
15f10d38759a1d7e6d04c1acd7eb7c8fc07809e4
sha256
eb351327f8244b33a96fab30e35cea17181a8e4b29cff9a58b797bd498cc82b7
sha512
59c2924c97c43f9ec84e6d2edb343b15e7accb2a24a07d5bc3fb59168d1e7eca848c8f3851c0bdb7b19c488dc11e2fa224944762e5082d24f290d25c2c003e79
ripemd-160
6540d650672ac413e33eade494ad471b9975980b
Diameter
156662642
Circumference
492170205.19917
Area
1.9276171165046E+16
Volume
2.0132372682402E+24
Surface area
7.7104684660184E+16
Circumference
492170205.19917
Perimeter
313325284
Area
6135795849605041
Diagonal
110777216.5168
Surface area
36814775097630246
Volume
4.8062499428588E+23
Space diagonal
135673827.79599
Perimeter
234993963
Area
2.6568775390965E+15
Altitude
67836913.897993
Surface area
2.6568775390965E+15
Volume
5.6642198777882E+22
Height
36925738.838933