81093944 is an even 8-digits composite number following 81093943
and preceding 81093945 . In scientific notation, it is written as 8.1093944 × 10^7.
The sum of its digits is 38. It has a total of 5 prime factors and 16 positive divisors.
There are 38161792 positive integers (up to 81093944) that are relatively prime to 81093944.
81093944 has 16 divisors, whose sum is 160995600
The reverse of 81093944 is 44939018
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighty-one million ninety-three thousand nine hundred forty-four
Scientific notation
8.1093944 × 10^7
Engineering notation
8.1093944 × 10^6
Prime Factorization
2 × 2 × 2 × 17 × 596279
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20273486
Product of the distinct prime numbers
The prime factorization of 81093944 is 2 × 2 × 2 × 17 × 596279.
Since it has a total of 5 prime factors.
9 , 2 , 21 , 6 , 1 , 684 , 8162 , 1263 , 20840 , 17505 , 300522 , 824185 , 3070790 , 6550171 , 74665461 , 14902312 , 811659124 , 75982343 , 5925744795 , 5286090005
n×2
162187888
n×3
243281832
n×4
324375776
n×5
405469720
n÷2
40546972
n÷3
27031314.666667
n÷3
20273486
n÷5
16218788.8
n2
6576227753475136
n3
5.3329224517156E+23
n4
4.3246771465577E+31
n5
3.5070512634103E+39
2 √n
9005.2175987035
3 √n
432.84207892746
4 √n
94.895824980362
5 √n
38.176638410958
1 , 2 , 4 , 8 , 17 , 34 , 68 , 136 , 596279 , 1192558 , 2385116 , 4770232 , 10136743 , 20273486 , 40546972 , 81093944
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
-81093943
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 81093944 can be divided by 16 positive divisors.
The sum of these divisors (counting 81093944) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101010110010100111000
3
Ternary
12122120222222102
4
Quaternary
10311112110320
5
Quinary
131230001234
6
Senary
12014042532
8
Octal
465262470
10
Decimal
81093944
12
Duodecimal
231a9448
16
Hexadecimal
4d56538
20
Vigesimal
156geh4
36
Base36
1ca4hk
md5
26005ee151e1e21c25fcd325bfb2d00c
sha1
06cb366dfc26494704559f7475fce0cfbda887a6
sha256
63d8ca8e20b8bfa472d94d2a3402f367aa894e4b3ba04dc60bb68660c6fb5aea
sha512
f8d3e8fcc4f04c346ac4a4b3405a4223ad2838a8b8aec317c9d480b0ecbebd0d1c310216a911359e2ac2f257039b6cf08f578c50b16db98a63198fb5409c588f
ripemd-160
56efad5ed8fc5fbf66878d6e2a52973e995005b3
Diameter
162187888
Circumference
509528277.44204
Area
2.0659828798651E+16
Volume
2.2338493328632E+24
Surface area
8.2639315194603E+16
Circumference
509528277.44204
Perimeter
324375776
Area
6576227753475136
Diagonal
114684155.43112
Surface area
39457366520850816
Volume
5.3329224517156E+23
Space diagonal
140458831.19415
Perimeter
243281832
Area
2.8475901477909E+15
Altitude
70229415.597073
Surface area
2.8475901477909E+15
Volume
6.2849093819168E+22
Height
38228051.810375