828118981 is an odd 9-digits composite number following 828118980
and preceding 828118982 . In scientific notation, it is written as 8.28118981 × 10^8.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 814543200 positive integers (up to 828118981) that are relatively prime to 828118981.
828118981 has 4 divisors, whose sum is 841694764
The reverse of 828118981 is 189811828
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
eight hundred twenty-eight million one hundred eighteen thousand nine hundred eighty-one
Scientific notation
8.28118981 × 10^8
Engineering notation
8.28118981 × 10^6
Prime Factorization
61 × 13575721
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
828118981
Product of the distinct prime numbers
The prime factorization of 828118981 is 61 × 13575721.
Since it has a total of 2 prime factors.
2 , 3 , 21 , 53 , 240 , 148 , 2874 , 3022 , 28505 , 96869 , 921844 , 411830 , 4743283 , 8012661 , 43701989 , 51165281 , 557433109 , 159546740 , 8432582978 , 9849393856
n×2
1656237962
n×3
2484356943
n×4
3312475924
n×5
4140594905
n÷2
414059490.5
n÷3
276039660.33333
n÷3
207029745.25
n÷5
165623796.2
n2
685781046692478361
n3
5.6790830157609E+26
n4
4.7029564400263E+35
n5
3.894607494802E+44
2 √n
28777.056503402
3 √n
939.06916342181
4 √n
169.63801609133
5 √n
60.760109492634
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
-828118980
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 828118981 can be divided by 4 positive divisors.
The sum of these divisors (counting 828118981) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001010111000001011111000101
3
Ternary
2010201020210200101
4
Quaternary
301113001133011
5
Quinary
3143444301411
6
Senary
214101244101
8
Octal
6127013705
10
Decimal
828118981
12
Duodecimal
1b1403631
16
Hexadecimal
315c17c5
20
Vigesimal
cifeh91
36
Base36
dp1gp1
md5
c69f916f7dc2ec1945154465c6ce03df
sha1
126bc0891cd0d078a92be570f69a43a6f0e49f4d
sha256
f5d8bd293fe68ea597ec24216a42d0aa5639bdafdb0d4be386ea34277fdbb44f
sha512
1fa0d01960e7ccc33c4ac6884d8ccfbfb29b1fe8ef287cf9fc6e8c30cc16f2d0b0a0bd94ea35d2ac9bbf4e82e4b491f466916a0a410d2f029f672900eecc1504
ripemd-160
831109e1ebb34006e2087ce1985609ba4d1820d8
Diameter
1656237962
Circumference
5203225014.0157
Area
2.1544446982602E+18
Volume
2.3788487308588E+27
Surface area
8.6177787930408E+18
Circumference
5203225014.0157
Perimeter
3312475924
Area
685781046692478361
Diagonal
1171137094.1888
Surface area
4114686280154870166
Volume
5.6790830157609E+26
Space diagonal
1434344149.8042
Perimeter
2484356943
Area
2.9695190393478E+17
Altitude
717172074.90208
Surface area
2.9695190393478E+17
Volume
6.6928635189431E+25
Height
390379031.39626