82778215 is an odd 8-digits composite number following 82778214
and preceding 82778216 . In scientific notation, it is written as 8.2778215 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 59155200 positive integers (up to 82778215) that are relatively prime to 82778215.
82778215 has 8 divisors, whose sum is 86765184
The reverse of 82778215 is 51287728
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighty-two million seven hundred seventy-eight thousand two hundred fifteen
Scientific notation
8.2778215 × 10^7
Engineering notation
8.2778215 × 10^6
Prime Factorization
65 × 31 × 41081
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
82778215
Product of the distinct prime numbers
The prime factorization of 82778215 is 65 × 31 × 41081.
Since it has a total of 3 prime factors.
9 , 3 , 47 , 81 , 931 , 123 , 6923 , 6028 , 1123 , 79427 , 301758 , 25428 , 2452824 , 835321 , 3522513 , 5316976 , 487480505 , 434592676 , 7792267742 , 2298193557
n×2
165556430
n×3
248334645
n×4
331112860
n×5
413891075
n÷2
41389107.5
n÷3
27592738.333333
n÷3
20694553.75
n÷5
16555643
n2
6852232878586225
n3
5.6721560645368E+23
n4
4.6953095422378E+31
n5
3.8866934277891E+39
2 √n
9098.2534038133
3 √n
435.81818970431
4 √n
95.384765050889
5 √n
38.333918169506
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
-82778214
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 82778215 can be divided by 8 positive divisors.
The sum of these divisors (counting 82778215) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111011110001100001100111
3
Ternary
12202202120100211
4
Quaternary
10323301201213
5
Quinary
132142400330
6
Senary
12114120251
8
Octal
473614147
10
Decimal
82778215
12
Duodecimal
23880087
16
Hexadecimal
4ef1867
20
Vigesimal
15h75af
36
Base36
1da82v
md5
0aac79409d1e2584a0019050296093bb
sha1
df019122648735afe129445be3f70413d5aa63eb
sha256
f0aaec3dea62a909e636f9aea37efa59bd4c6969b5fdae98aa460ff9c4236577
sha512
650b9d49c5aa962dbafcd3c533982b7652579f78036809a98ad37a480b0c7b15f0d0d667d52b58667f617f3593c4915b24258cd88a4847a04249c14a8120124a
ripemd-160
00109cdc25162ceeceb741d26ef65d4da527c268
Diameter
165556430
Circumference
520110864.24255
Area
2.1526924472053E+16
Volume
2.3759471763151E+24
Surface area
8.6107697888212E+16
Circumference
520110864.24255
Perimeter
331112860
Area
6852232878586225
Diagonal
117066074.32204
Surface area
41113397271517350
Volume
5.6721560645368E+23
Space diagonal
143376074.13986
Perimeter
248334645
Area
2.9671038727513E+15
Altitude
71688037.06993
Surface area
2.9671038727513E+15
Volume
6.6847000286373E+22
Height
39022024.774012