78491131 is an odd 8-digits prime number following 78491130
and preceding 78491132 . In scientific notation, it is written as 7.8491131 × 10^7.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 78491130 positive integers (up to 78491131) that are relatively prime to 78491131.
78491131 has 2 divisors, whose sum is 78491132
The reverse of 78491131 is 13119487
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 34 Digital Root 7
Name
seventy-eight million four hundred ninety-one thousand one hundred thirty-one
Scientific notation
7.8491131 × 10^7
Engineering notation
7.8491131 × 10^6
Prime Factorization
78491131
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
78491131 Product of the distinct prime numbers
The prime factorization of 78491131 is 78491131.
Since it has a total of 1 prime factors.
6 , 9 , 19 , 15 , 58 , 122 , 2827 , 1975 , 40637 , 40288 , 112410 , 872347 , 8504517 , 8772794 , 31472506 , 80172910 , 701674760 , 679153386 , 3119802055 , 597187009
n×2
156982262
n×3
235473393
n×4
313964524
n×5
392455655
n÷2
39245565.5
n÷3
26163710.333333
n÷3
19622782.75
n÷5
15698226.2
n2
6160857645659161
n3
4.8357268453778E+23
n4
3.7956166930077E+31
n5
2.9792224707665E+39
2 √n8859.5220525715
3 √n428.16075969619
4 √n94.1250341438
5 √n37.928364622421
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
78491132 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
39245566 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
8859.5221090079 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999745194 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78491131 can be divided by 2 positive divisors.
The sum of these divisors (counting 78491131) is 78491132, the average is 39245566.
Base
System
Value
2
Binary
100101011011010110111111011
3
Ternary
12110200202120221
4
Quaternary
10223122313323
5
Quinary
130043204011
6
Senary
11442200511
8
Octal
453326773
10
Decimal
78491131
12
Duodecimal
22353137
16
Hexadecimal
4adadfb
20
Vigesimal
14ab7gb
36
Base36
1aqc57
md5
2033d432f137a1eb0d324a80f9544acf
sha1
51788660f66ee5840b88261dafc485f75ecb4dc4
sha256
6f303e00e4af2f57eba36f5a67a5a02de18639a7b3a7ca9e18453b2d4eabb00f
sha512
bec40f3d20317e53c1d7e71c39d6997a3fdf4b03b6f93cd5fa03f1c31d7bc3429516eec6748f88147b79a71494dd8ff9175fd27783a4a5f675513f5a651aa201
ripemd-160
20190697b5da7d2721c1079007d8cf0f67df60b0
Diameter
156982262
Circumference
493174321.04311
Area
1.9354905119415E+16
Volume
2.0255845242941E+24
Surface area
7.7419620477661E+16
Circumference
493174321.04311
Perimeter
313964524
Area
6160857645659161
Diagonal
111003221.9862
Surface area
36965145873954966
Volume
4.8357268453778E+23
Space diagonal
135950626.83554
Perimeter
235473393
Area
2.6677296151202E+15
Altitude
67975313.417772
Surface area
2.6677296151202E+15
Volume
5.6989587405542E+22
Height
37001073.995401