78312231 is an odd 8-digits composite number following 78312230
and preceding 78312232 . In scientific notation, it is written as 7.8312231 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 50523480 positive integers (up to 78312231) that are relatively prime to 78312231.
78312231 has 16 divisors, whose sum is 119761920
The reverse of 78312231 is 13221387
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
seventy-eight million three hundred twelve thousand two hundred thirty-one
Scientific notation
7.8312231 × 10^7
Engineering notation
7.8312231 × 10^6
Prime Factorization
9 × 3 × 31 × 93563
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78312231
Product of the distinct prime numbers
The prime factorization of 78312231 is 9 × 3 × 31 × 93563.
Since it has a total of 4 prime factors.
1 , 5 , 29 , 10 , 647 , 155 , 533 , 2762 , 44274 , 19393 , 133228 , 910411 , 4310456 , 3765668 , 10257217 , 2277099 , 314121188 , 150946855 , 6103362966 , 8908794988
n×2
156624462
n×3
234936693
n×4
313248924
n×5
391561155
n÷2
39156115.5
n÷3
26104077
n÷3
19578057.75
n÷5
15662446.2
n2
6132805524197361
n3
4.8027368288902E+23
n4
3.7611303597626E+31
n5
2.9454250955484E+39
2 √n
8849.4198114905
3 √n
427.83521876038
4 √n
94.071354893456
5 √n
37.911059280986
1 , 3 , 9 , 27 , 31 , 93 , 279 , 837 , 93563 , 280689 , 842067 , 2526201 , 2900453 , 8701359 , 26104077 , 78312231
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
-78312230
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 78312231 can be divided by 16 positive divisors.
The sum of these divisors (counting 78312231) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101010101111001100100111
3
Ternary
12110100200012000
4
Quaternary
10222233030213
5
Quinary
130021442411
6
Senary
11434300343
8
Octal
452571447
10
Decimal
78312231
12
Duodecimal
222876b3
16
Hexadecimal
4aaf327
20
Vigesimal
14990bb
36
Base36
1ami3r
md5
0328eab0568ec75f08530433db38e1ca
sha1
1586fd2554f54cccc889fd72b92e26e39a3d4342
sha256
8e0bd4cbde6d2e6729063a4cc5591229568d32d07822ea4f71e80d4a462e8e5a
sha512
568e1c5a1b198206bfcd0434f4defff1504e1845bacede3374949ef29452e76499ec2b2674b110a695c5b6b4767a1ad918f88d14a8d3a3590933725e138274e6
ripemd-160
dc93e74d5f04456f850da205792cb45b973b23cf
Diameter
156624462
Circumference
492050259.19165
Area
1.9266776780713E+16
Volume
2.0117656985022E+24
Surface area
7.7067107122853E+16
Circumference
492050259.19165
Perimeter
313248924
Area
6132805524197361
Diagonal
110750219.17989
Surface area
36796833145184166
Volume
4.8027368288902E+23
Space diagonal
135640762.94607
Perimeter
234936693
Area
2.6555826902122E+15
Altitude
67820381.473035
Surface area
2.6555826902122E+15
Volume
5.6600796332711E+22
Height
36916739.726632