81496671 is an odd 8-digits composite number following 81496670
and preceding 81496672 . In scientific notation, it is written as 8.1496671 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 53272800 positive integers (up to 81496671) that are relatively prime to 81496671.
81496671 has 16 divisors, whose sum is 110790528
The reverse of 81496671 is 17669418
Previous prime number is 491
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighty-one million four hundred ninety-six thousand six hundred seventy-one
Scientific notation
8.1496671 × 10^7
Engineering notation
8.1496671 × 10^6
Prime Factorization
61 × 3 × 491 × 907
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81496671
Product of the distinct prime numbers
The prime factorization of 81496671 is 61 × 3 × 491 × 907.
Since it has a total of 4 prime factors.
4 , 6 , 40 , 16 , 269 , 192 , 2048 , 1874 , 8850 , 17040 , 906523 , 84037 , 5483275 , 4339364 , 29672655 , 10131600 , 976445335 , 656763037 , 2686839336 , 6147702769
n×2
162993342
n×3
244490013
n×4
325986684
n×5
407483355
n÷2
40748335.5
n÷3
27165557
n÷3
20374167.75
n÷5
16299334.2
n2
6641707384082241
n3
5.4127704155882E+23
n4
4.4112276975773E+31
n5
3.5950037237554E+39
2 √n
9027.5506644937
3 √n
433.55741973436
4 √n
95.013423601582
5 √n
38.214481710872
1 , 3 , 61 , 183 , 491 , 907 , 1473 , 2721 , 29951 , 55327 , 89853 , 165981 , 445337 , 1336011 , 27165557 , 81496671
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81496670
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81496671 can be divided by 16 positive divisors.
The sum of these divisors (counting 81496671) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110110111000101001011111
3
Ternary
12200100110102020
4
Quaternary
10312320221133
5
Quinary
131330343141
6
Senary
12030431223
8
Octal
466705137
10
Decimal
81496671
12
Duodecimal
23362513
16
Hexadecimal
4db8a5f
20
Vigesimal
15971db
36
Base36
1cir8f
md5
dc0a11fb24b589a794b76ee9be75841b
sha1
963a54d0a0bc96e705e662d2b579324c52296ae0
sha256
f56f6e5ea27e1a3a99dfc1655d41a8f52c7812e67d14708990b137403bb886f7
sha512
7359a4d32d56faa3edb19163f5fd18e50bf7eb4556b3202971e21e6926574ed75f8dd18ea4e25b573e45473e9cf6ad8f647f42c62e3daf82caf375c48110c989
ripemd-160
a3b01717f2373608a770f5215a191a81a821d194
Diameter
162993342
Circumference
512058685.81125
Area
2.0865539125126E+16
Volume
2.2672959697573E+24
Surface area
8.3462156500503E+16
Circumference
512058685.81125
Perimeter
325986684
Area
6641707384082241
Diagonal
115253697.41646
Surface area
39850244304493446
Volume
5.4127704155882E+23
Space diagonal
141156374.81973
Perimeter
244490013
Area
2.875943659559E+15
Altitude
70578187.409863
Surface area
2.875943659559E+15
Volume
6.3790111097806E+22
Height
38417899.138819