78312492 is an even 8-digits composite number following 78312491
and preceding 78312493 . In scientific notation, it is written as 7.8312492 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 25788672 positive integers (up to 78312492) that are relatively prime to 78312492.
78312492 has 24 divisors, whose sum is 154114800
The reverse of 78312492 is 29421387
Previous prime number is 83
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
seventy-eight million three hundred twelve thousand four hundred ninety-two
Scientific notation
7.8312492 × 10^7
Engineering notation
7.8312492 × 10^6
Prime Factorization
2 × 2 × 9 × 83 × 26209
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
39156246
Product of the distinct prime numbers
The prime factorization of 78312492 is 2 × 2 × 9 × 83 × 26209.
Since it has a total of 5 prime factors.
7 , 1 , 83 , 84 , 909 , 348 , 1077 , 8343 , 35161 , 85361 , 793027 , 980764 , 6353481 , 9906563 , 33379696 , 2310854 , 533954714 , 153972159 , 6301623260 , 3529361770
n×2
156624984
n×3
234937476
n×4
313249968
n×5
391562460
n÷2
39156246
n÷3
26104164
n÷3
19578123
n÷5
15662498.4
n2
6132846403250064
n3
4.8027848489175E+23
n4
3.7611805005857E+31
n5
2.9454741786268E+39
2 √n
8849.4345582077
3 √n
427.83569405808
4 √n
94.07143327391
5 √n
37.911084551045
1 , 2 , 4 , 9 , 18 , 36 , 83 , 166 , 332 , 747 , 1494 , 2988 , 26209 , 52418 , 104836 , 235881 , 471762 , 943524 , 2175347 , 4350694 , 8701388 , 19578123 , 39156246 , 78312492
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78312491
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78312492 can be divided by 24 positive divisors.
The sum of these divisors (counting 78312492) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100101010101111010000101100
3
Ternary
12110100200112200
4
Quaternary
10222233100230
5
Quinary
130021444432
6
Senary
11434301500
8
Octal
452572054
10
Decimal
78312492
12
Duodecimal
22287890
16
Hexadecimal
4aaf42c
20
Vigesimal
149914c
36
Base36
1amib0
md5
52b0d63241e1bb3ccc03c2186250f982
sha1
dc0806889cf215d80979d507780902b0f6138ddf
sha256
55e9a70ddb38596082c0d9bf4d77bb84226152bd01e26ecfe80d21077c700d07
sha512
7eeee513b01cfc9b9cec55556cc0ea991aa84e7cd7e5e7af20c992fe63827e0a3749049b5bd3ed9496315757b05e52e013e181d4d023fcebb308943bf7a9bc06
ripemd-160
fbf990d40b818ff3eaff8df59bfa34deea288eb1
Diameter
156624984
Circumference
492051899.10302
Area
1.9266905206045E+16
Volume
2.0117858130842E+24
Surface area
7.706762082418E+16
Circumference
492051899.10302
Perimeter
313249968
Area
6132846403250064
Diagonal
110750588.28963
Surface area
36797078419500384
Volume
4.8027848489175E+23
Space diagonal
135641215.01133
Perimeter
234937476
Area
2.6556003913613E+15
Altitude
67820607.505666
Surface area
2.6556003913613E+15
Volume
5.6601362254159E+22
Height
36916862.763212