81309077 is an odd 8-digits composite number following 81309076
and preceding 81309078 . In scientific notation, it is written as 8.1309077 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 81290976 positive integers (up to 81309077) that are relatively prime to 81309077.
81309077 has 4 divisors, whose sum is 81327180
The reverse of 81309077 is 77090318
Previous prime number is 8269
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-one million three hundred nine thousand seventy-seven
Scientific notation
8.1309077 × 10^7
Engineering notation
8.1309077 × 10^6
Prime Factorization
8269 × 9833
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81309077
Product of the distinct prime numbers
The prime factorization of 81309077 is 8269 × 9833.
Since it has a total of 2 prime factors.
4 , 3 , 29 , 7 , 313 , 686 , 3064 , 693 , 41397 , 40488 , 714057 , 284584 , 5537807 , 4815343 , 3902795 , 25725211 , 174107770 , 899043357 , 2952822888 , 1792424487
n×2
162618154
n×3
243927231
n×4
325236308
n×5
406545385
n÷2
40654538.5
n÷3
27103025.666667
n÷3
20327269.25
n÷5
16261815.4
n2
6611166002591929
n3
5.3754780556453E+23
n4
4.3707515913827E+31
n5
3.5538177769161E+39
2 √n
9017.1545955473
3 √n
433.22450120284
4 √n
94.95869942005
5 √n
38.196872605704
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
-81309076
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 81309077 can be divided by 4 positive divisors.
The sum of these divisors (counting 81309077) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110110001010110110010101
3
Ternary
12122222221002022
4
Quaternary
10312022312111
5
Quinary
131303342302
6
Senary
12022422525
8
Octal
466126625
10
Decimal
81309077
12
Duodecimal
23291a45
16
Hexadecimal
4d8ad95
20
Vigesimal
1583cdh
36
Base36
1ceqhh
md5
2df1bdf1d80257a2b54284624303ec38
sha1
c9918f37c3c814765fc5c892e0febb4b63b17b1f
sha256
6e74d83ac08d2366f72ff4bcc517e83d5188d973f053a085b905367c99d7bb3d
sha512
3f9e02c47a55e898aec17ce3c80d0b62af17d0d64611f602652f96ceb00dc8f1847268f3d94ebc897547b95dbcf028258b94212b7c9bb6b989dd0cccdfa96903
ripemd-160
e429bbb6339a89caac45ca8fb912792bcdd658b0
Diameter
162618154
Circumference
510879997.94673
Area
2.0769590545405E+16
Volume
2.2516749825531E+24
Surface area
8.3078362181622E+16
Circumference
510879997.94673
Perimeter
325236308
Area
6611166002591929
Diagonal
114988399.43744
Surface area
39666996015551574
Volume
5.3754780556453E+23
Space diagonal
140831452.48053
Perimeter
243927231
Area
2.8627188534403E+15
Altitude
70415726.240265
Surface area
2.8627188534403E+15
Volume
6.3350616421104E+22
Height
38329466.479146