81043669 is an odd 8-digits composite number following 81043668
and preceding 81043670 . In scientific notation, it is written as 8.1043669 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 68428800 positive integers (up to 81043669) that are relatively prime to 81043669.
81043669 has 8 divisors, whose sum is 94004288
The reverse of 81043669 is 96634018
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty-one million forty-three thousand six hundred sixty-nine
Scientific notation
8.1043669 × 10^7
Engineering notation
8.1043669 × 10^6
Prime Factorization
7 × 67 × 172801
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81043669
Product of the distinct prime numbers
The prime factorization of 81043669 is 7 × 67 × 172801.
Since it has a total of 3 prime factors.
6 , 3 , 72 , 41 , 39 , 636 , 1815 , 6839 , 74187 , 88980 , 112001 , 916082 , 3872433 , 5068154 , 68043869 , 28458788 , 578306207 , 855518732 , 4595728748 , 4595384076
n×2
162087338
n×3
243131007
n×4
324174676
n×5
405218345
n÷2
40521834.5
n÷3
27014556.333333
n÷3
20260917.25
n÷5
16208733.8
n2
6568076284981561
n3
5.323010004068E+23
n4
4.3139626085337E+31
n5
3.4961935772438E+39
2 √n
9002.4257286578
3 √n
432.7526121806
4 √n
94.88111365629
5 √n
38.171903639058
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
-81043668
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 81043669 can be divided by 8 positive divisors.
The sum of these divisors (counting 81043669) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110101001010000011010101
3
Ternary
12122111110000101
4
Quaternary
10311022003111
5
Quinary
131221344134
6
Senary
12013014101
8
Octal
465120325
10
Decimal
81043669
12
Duodecimal
23184331
16
Hexadecimal
4d4a0d5
20
Vigesimal
156a939
36
Base36
1c91p1
md5
1575f06ea698b8902389f5916608b66a
sha1
bc0a5a951f0ed2e2fba0a384d0fc74503a18928f
sha256
2d5141b0ecdbbced1839dcbf3457a225b72aaa1b17e4899ce5d029adaacf4b41
sha512
42433bd9aaf213f6f6128d0d491cf687c6a7c5dcef936658e149e9b4421ca38b1eecaa5da986feb5659d8ec9c4c1695f12e03b4d24cffe63c9949ad1c33a5f3f
ripemd-160
57890bf1a22e2dd2e9232de4645a2f4474cd0739
Diameter
162087338
Circumference
509212390.30073
Area
2.0634220205115E+16
Volume
2.229697216502E+24
Surface area
8.2536880820462E+16
Circumference
509212390.30073
Perimeter
324174676
Area
6568076284981561
Diagonal
114613055.84428
Surface area
39408457709889366
Volume
5.323010004068E+23
Space diagonal
140371752.33979
Perimeter
243131007
Area
2.8440604583941E+15
Altitude
70185876.169897
Surface area
2.8440604583941E+15
Volume
6.2732274503338E+22
Height
38204351.948092