78397813 is an odd 8-digits composite number following 78397812
and preceding 78397814 . In scientific notation, it is written as 7.8397813 × 10^7.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 72130800 positive integers (up to 78397813) that are relatively prime to 78397813.
78397813 has 8 divisors, whose sum is 84704256
The reverse of 78397813 is 31879387
Previous prime number is 311
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
seventy-eight million three hundred ninety-seven thousand eight hundred thirteen
Scientific notation
7.8397813 × 10^7
Engineering notation
7.8397813 × 10^6
Prime Factorization
13 × 311 × 19391
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78397813
Product of the distinct prime numbers
The prime factorization of 78397813 is 13 × 311 × 19391.
Since it has a total of 3 prime factors.
8 , 7 , 3 , 40 , 286 , 530 , 5126 , 6127 , 50417 , 18872 , 510302 , 788008 , 9654436 , 6895093 , 40088586 , 36891533 , 728268235 , 709984363 , 5569787763 , 4559125715
n×2
156795626
n×3
235193439
n×4
313591252
n×5
391989065
n÷2
39198906.5
n÷3
26132604.333333
n÷3
19599453.25
n÷5
15679562.6
n2
6146217083182969
n3
4.8184997754478E+23
n4
3.777598443361E+31
n5
2.9615545635171E+39
2 √n
8854.2539493737
3 √n
427.99101249069
4 √n
94.09704538068
5 √n
37.919341734151
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
-78397812
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 78397813 can be divided by 8 positive divisors.
The sum of these divisors (counting 78397813) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101011000100000101110101
3
Ternary
12110112000120201
4
Quaternary
10223010011311
5
Quinary
130032212223
6
Senary
11440200501
8
Octal
453040565
10
Decimal
78397813
12
Duodecimal
22309131
16
Hexadecimal
4ac4175
20
Vigesimal
149jead
36
Base36
1aoc51
md5
a03483ace81841fdab6665b203d7f6d9
sha1
36a425161b2f999dd9dbb0bab192d153685e77fd
sha256
bed885b29ef35f1d4ca2cf30a177f64fcf53c5cadf8df7dc5046fd0822364b31
sha512
9d68d5830cc56d337173c31fe003aa012952fb7ea5b16995b7d26c231f0854d391c8a34c08d83fdf6164214340eef55c43a709c07132c30eddbf554eed183f72
ripemd-160
62ea064ccfb1d92d7daa9df6e8807bb1df37251e
Diameter
156795626
Circumference
492587986.75661
Area
1.9308910435896E+16
Volume
2.0183684661161E+24
Surface area
7.7235641743583E+16
Circumference
492587986.75661
Perimeter
313591252
Area
6146217083182969
Diagonal
110871250.40499
Surface area
36877302499097814
Volume
4.8184997754478E+23
Space diagonal
135788995.31828
Perimeter
235193439
Area
2.6613900656052E+15
Altitude
67894497.659142
Surface area
2.6613900656052E+15
Volume
5.6786564439417E+22
Height
36957083.46833