828391385 is an odd 9-digits composite number following 828391384
and preceding 828391386 . In scientific notation, it is written as 8.28391385 × 10^8.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 623729920 positive integers (up to 828391385) that are relatively prime to 828391385.
828391385 has 8 divisors, whose sum is 1052544456
The reverse of 828391385 is 583193828
Previous prime number is 5
Is Prime? no Number parity odd Number length 9 Sum of Digits 47 Digital Root 2
Name
eight hundred twenty-eight million three hundred ninety-one thousand three hundred eighty-five
Scientific notation
8.28391385 × 10^8
Engineering notation
8.28391385 × 10^6
Prime Factorization
17 × 5 × 9745781
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
828391385 Product of the distinct prime numbers
The prime factorization of 828391385 is 17 × 5 × 9745781.
Since it has a total of 3 prime factors.
6 , 5 , 51 , 23 , 628 , 411 , 3770 , 1191 , 66098 , 7949 , 931090 , 385257 , 8695805 , 9989079 , 14618936 , 13125920 , 655999806 , 171438076 , 9125787875 , 1359084659
n×2
1656782770
n×3
2485174155
n×4
3313565540
n×5
4141956925
n÷2
414195692.5
n÷3
276130461.66667
n÷3
207097846.25
n÷5
165678277
n2
686232286742218225
n3
5.684689144461E+26
n4
4.7091475136745E+35
n5
3.9010172310222E+44
2 √n28781.789120901
3 √n939.17211889835
4 √n169.65196468329
5 √n60.764106290172
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
-828391384 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 828391385 can be divided by 8 positive divisors.
The sum of these divisors (counting 828391385) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001011000000011111111011001
3
Ternary
2010201202122100102
4
Quaternary
301120003333121
5
Quinary
3144032011020
6
Senary
214111145145
8
Octal
6130037731
10
Decimal
828391385
12
Duodecimal
1b15151b5
16
Hexadecimal
31603fd9
20
Vigesimal
cih8i95
36
Base36
dp7avt
md5
c69b55be43524a693cf721a6ff3c9df8
sha1
22143f8c75abfde1d13435dfe583998a5e5a3a86
sha256
316b854809be7ae9f06e23ed8ef33aeaecd845045c895e5edaab8fc599ae284b
sha512
cdd2bff534ec21cd72f497dc10fa14e45379f07db480b380ec399cf3eca8ebfcbebe8284db8154227910231ea9503b780d86a461d129c94f5b32fb104bacc678
ripemd-160
5c55d50912db76daff84772e74447215a67b687a
Diameter
1656782770
Circumference
5204936578.8261
Area
2.1558623106855E+18
Volume
2.3811970205574E+27
Surface area
8.6234492427419E+18
Circumference
5204936578.8261
Perimeter
3313565540
Area
686232286742218225
Diagonal
1171522331.62
Surface area
4117393720453309350
Volume
5.684689144461E+26
Space diagonal
1434815967.3724
Perimeter
2485174155
Area
2.9714729660792E+17
Altitude
717407983.68618
Surface area
2.9714729660792E+17
Volume
6.6994704049766E+25
Height
390507443.87334