81340982 is an even 8-digits composite number following 81340981
and preceding 81340983 . In scientific notation, it is written as 8.1340982 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 40401000 positive integers (up to 81340982) that are relatively prime to 81340982.
81340982 has 8 divisors, whose sum is 122819952
The reverse of 81340982 is 28904318
Previous prime number is 151
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-one million three hundred forty thousand nine hundred eighty-two
Scientific notation
8.1340982 × 10^7
Engineering notation
8.1340982 × 10^6
Prime Factorization
2 × 151 × 269341
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81340982
Product of the distinct prime numbers
The prime factorization of 81340982 is 2 × 151 × 269341.
Since it has a total of 3 prime factors.
1 , 3 , 15 , 56 , 810 , 760 , 3388 , 9136 , 70431 , 82074 , 236661 , 154543 , 5545449 , 5542705 , 57969865 , 8648229 , 551716223 , 234462248 , 1847015731 , 9460937466
n×2
162681964
n×3
244022946
n×4
325363928
n×5
406704910
n÷2
40670491
n÷3
27113660.666667
n÷3
20335245.5
n÷5
16268196.4
n2
6616355352724324
n3
5.3818084165155E+23
n4
4.3776158153524E+31
n5
3.5607956923949E+39
2 √n
9018.9235499587
3 √n
433.28115834672
4 √n
94.968013298998
5 √n
38.19986976182
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
-81340981
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 81340982 can be divided by 8 positive divisors.
The sum of these divisors (counting 81340982) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110110010010101000110110
3
Ternary
12200001112211222
4
Quaternary
10312102220312
5
Quinary
131310402412
6
Senary
12023230342
8
Octal
466225066
10
Decimal
81340982
12
Duodecimal
232a83b2
16
Hexadecimal
4d92a36
20
Vigesimal
1587c92
36
Base36
1cff3q
md5
7745f563bb2ce695f54d5b5155af6d7b
sha1
f2b192284f51b30a725de0bbf51a0a73bcb04ef9
sha256
9593c1dc8082735de7f3cab7373ca1d1f9206b4ff8873fa90337ad8aaf9d3f0d
sha512
f08dda7c61ec48214e38dd0846ac0c0b408a8fb6ffe554465d3e41a3a7aa3f798c482ae4569a33678dcf3b33bfb1a08d9603089c59cfe025983dc1a3db4a0f1f
ripemd-160
821a09d7694e86f2b90a28781650a0d717500b98
Diameter
162681964
Circumference
511080462.97396
Area
2.0785893369658E+16
Volume
2.2543266379137E+24
Surface area
8.3143573478633E+16
Circumference
511080462.97396
Perimeter
325363928
Area
6616355352724324
Diagonal
115033519.92115
Surface area
39698132116345944
Volume
5.3818084165155E+23
Space diagonal
140886713.56155
Perimeter
244022946
Area
2.8649659079622E+15
Altitude
70443356.780773
Surface area
2.8649659079622E+15
Volume
6.3425220439416E+22
Height
38344506.640382