81371036 is an even 8-digits composite number following 81371035
and preceding 81371037 . In scientific notation, it is written as 8.1371036 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 6 positive divisors.
There are 40685516 positive integers (up to 81371036) that are relatively prime to 81371036.
81371036 has 6 divisors, whose sum is 142399320
The reverse of 81371036 is 63017318
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
eighty-one million three hundred seventy-one thousand thirty-six
Scientific notation
8.1371036 × 10^7
Engineering notation
8.1371036 × 10^6
Prime Factorization
2 × 2 × 20342759
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
40685518
Product of the distinct prime numbers
The prime factorization of 81371036 is 2 × 2 × 20342759.
Since it has a total of 3 prime factors.
2 , 1 , 36 , 19 , 512 , 977 , 9428 , 5793 , 26694 , 28554 , 282475 , 59232 , 1915898 , 7055325 , 98525209 , 77109703 , 622050368 , 970641289 , 4373082337 , 3629027431
n×2
162742072
n×3
244113108
n×4
325484144
n×5
406855180
n÷2
40685518
n÷3
27123678.666667
n÷3
20342759
n÷5
16274207.2
n2
6621245499713296
n3
5.3877760592201E+23
n4
4.3840891967474E+31
n5
3.5673787985574E+39
2 √n
9020.5895594468
3 √n
433.33451492117
4 √n
94.97678431831
5 √n
38.202692174878
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81371035
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81371036 can be divided by 6 positive divisors.
The sum of these divisors (counting 81371036) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
100110110011001111110011100
3
Ternary
12200010002002002
4
Quaternary
10312121332130
5
Quinary
131312333121
6
Senary
12024021432
8
Octal
466317634
10
Decimal
81371036
12
Duodecimal
23301878
16
Hexadecimal
4d99f9c
20
Vigesimal
158b7bg
36
Base36
1cg2ak
md5
a010837bb2843a260518c3d2116b5295
sha1
102de28fd5e2e215bedd747d59e29a83dd676203
sha256
9f5cfbc94b5d27a5c9fd80d0efc67d6223cb1653c37cea7c67f0f78dc1288946
sha512
3cd7c50e41acf0410ecac10c11664c087e934bd1956d09390e826caa601a940192abeb95d5eba0b9655517f7b2eac8b486cb472cb407a64ea55a0132f0cb2201
ripemd-160
b34119c83f205d4c75678024823d849a716c9a5d
Diameter
162742072
Circumference
511269297.82518
Area
2.0801256219514E+16
Volume
2.2568263582444E+24
Surface area
8.3205024878055E+16
Circumference
511269297.82518
Perimeter
325484144
Area
6621245499713296
Diagonal
115076022.69555
Surface area
39727472998279776
Volume
5.3877760592201E+23
Space diagonal
140938768.61652
Perimeter
244113108
Area
2.8670834037226E+15
Altitude
70469384.308258
Surface area
2.8670834037226E+15
Volume
6.3495549783151E+22
Height
38358674.23185