78393491 is an odd 8-digits composite number following 78393490
and preceding 78393492 . In scientific notation, it is written as 7.8393491 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 69340320 positive integers (up to 78393491) that are relatively prime to 78393491.
78393491 has 8 divisors, whose sum is 87831984
The reverse of 78393491 is 19439387
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
seventy-eight million three hundred ninety-three thousand four hundred ninety-one
Scientific notation
7.8393491 × 10^7
Engineering notation
7.8393491 × 10^6
Prime Factorization
11 × 37 × 192613
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78393491
Product of the distinct prime numbers
The prime factorization of 78393491 is 11 × 37 × 192613.
Since it has a total of 3 prime factors.
6 , 10 , 60 , 33 , 371 , 727 , 3358 , 3793 , 68102 , 39322 , 65924 , 167864 , 8634738 , 8296205 , 31250686 , 38134260 , 52648705 , 937211049 , 5582261510 , 7100200236
n×2
156786982
n×3
235180473
n×4
313573964
n×5
391967455
n÷2
39196745.5
n÷3
26131163.666667
n÷3
19598372.75
n÷5
15678698.2
n2
6145539431167081
n3
4.8177029008734E+23
n4
3.7767654900029E+31
n5
2.9607383144966E+39
2 √n
8854.0098825334
3 √n
427.98314742797
4 √n
94.095748482774
5 √n
37.918923633179
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78393490
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78393491 can be divided by 8 positive divisors.
The sum of these divisors (counting 78393491) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101011000011000010010011
3
Ternary
12110111210122122
4
Quaternary
10223003002103
5
Quinary
130032042431
6
Senary
11440124455
8
Octal
453030223
10
Decimal
78393491
12
Duodecimal
2230672b
16
Hexadecimal
4ac3093
20
Vigesimal
149j3eb
36
Base36
1ao8sz
md5
5b09ace1560c9b1c57db8121010ca98a
sha1
21fe751a823a552bcd36a7df441bc19198548ea0
sha256
79014d081a24b357972b08b0484746aff521911c28707ec8775fe25854ba785d
sha512
f1b41f0f6959e3f06eb62d64b9fc39a4e92cba28cbcf320f6004bc8e8d8a3960148f5578eb9a660141291c44fa1f78b92e7357fff929571220ca6d6b2be7e1f2
ripemd-160
33259f38d95afbe7a3f0fbf8491281f19bad07e6
Diameter
156786982
Circumference
492560830.82972
Area
1.9306781529301E+16
Volume
2.018034672075E+24
Surface area
7.7227126117204E+16
Circumference
492560830.82972
Perimeter
313573964
Area
6145539431167081
Diagonal
110865138.17397
Surface area
36873236587002486
Volume
4.8177029008734E+23
Space diagonal
135781509.39469
Perimeter
235180473
Area
2.6610966336748E+15
Altitude
67890754.697347
Surface area
2.6610966336748E+15
Volume
5.6777173182495E+22
Height
36955046.057991