78668731 is an odd 8-digits composite number following 78668730
and preceding 78668732 . In scientific notation, it is written as 7.8668731 × 10^7.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 76131000 positive integers (up to 78668731) that are relatively prime to 78668731.
78668731 has 4 divisors, whose sum is 81206464
The reverse of 78668731 is 13786687
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
seventy-eight million six hundred sixty-eight thousand seven hundred thirty-one
Scientific notation
7.8668731 × 10^7
Engineering notation
7.8668731 × 10^6
Prime Factorization
31 × 2537701
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78668731
Product of the distinct prime numbers
The prime factorization of 78668731 is 31 × 2537701.
Since it has a total of 2 prime factors.
2 , 6 , 90 , 99 , 39 , 745 , 3044 , 9650 , 13255 , 26711 , 818677 , 265523 , 8533024 , 1525312 , 77039378 , 50600482 , 551067999 , 702653527 , 3296985361 , 3705017287
n×2
157337462
n×3
236006193
n×4
314674924
n×5
393343655
n÷2
39334365.5
n÷3
26222910.333333
n÷3
19667182.75
n÷5
15733746.2
n2
6188769237150361
n3
4.8686262233846E+23
n4
3.8300864670699E+31
n5
3.0130804198466E+39
2 √n
8869.5395032662
3 √n
428.48344613488
4 √n
94.178232640384
5 √n
37.945513029153
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78668730
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78668731 can be divided by 4 positive divisors.
The sum of these divisors (counting 78668731) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101100000110001110111011
3
Ternary
12111000210012201
4
Quaternary
10230012032323
5
Quinary
130114344411
6
Senary
11450051031
8
Octal
454061673
10
Decimal
78668731
12
Duodecimal
22419a77
16
Hexadecimal
4b063bb
20
Vigesimal
14bdbgb
36
Base36
1au56j
md5
3ddcb0d562fd9437f0fb5bf53649a7aa
sha1
3dd1c0fd097e4a6a32a54e61bf109a952f1de3a3
sha256
793a1f10fd8de04fc6ef0dda4ec4f67d8ed5944647414346af16ddea8300bc2f
sha512
1165ad9451ae2e8e9b296e09081807c7f32e9f799848ac439d356ac31dd1c17a98ec3dfcade665aeab510cdf4c0f7c00fc40b861fd0263cf511e049e344b2d8c
ripemd-160
deefc13012f81b287170202d7da8770636e72134
Diameter
157337462
Circumference
494290214.75366
Area
1.9442591970194E+16
Volume
2.0393653835279E+24
Surface area
7.7770367880776E+16
Circumference
494290214.75366
Perimeter
314674924
Area
6188769237150361
Diagonal
111254386.31488
Surface area
37132615422902166
Volume
4.8686262233846E+23
Space diagonal
136258239.05897
Perimeter
236006193
Area
2.6798156887659E+15
Altitude
68129119.529484
Surface area
2.6798156887659E+15
Volume
5.7377310293631E+22
Height
37084795.438294