81796144 is an even 8-digits composite number following 81796143
and preceding 81796145 . In scientific notation, it is written as 8.1796144 × 10^7.
The sum of its digits is 40. It has a total of 6 prime factors and 20 positive divisors.
There are 40766528 positive integers (up to 81796144) that are relatively prime to 81796144.
81796144 has 20 divisors, whose sum is 158989824
The reverse of 81796144 is 44169718
Previous prime number is 317
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighty-one million seven hundred ninety-six thousand one hundred forty-four
Scientific notation
8.1796144 × 10^7
Engineering notation
8.1796144 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 317 × 16127
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
10224518
Product of the distinct prime numbers
The prime factorization of 81796144 is 2 × 2 × 2 × 2 × 317 × 16127.
Since it has a total of 6 prime factors.
6 , 5 , 55 , 81 , 650 , 44 , 1329 , 812 , 18932 , 53917 , 177167 , 462211 , 346962 , 2040244 , 59590999 , 36697916 , 724894956 , 360482637 , 4204568528 , 5910338917
n×2
163592288
n×3
245388432
n×4
327184576
n×5
408980720
n÷2
40898072
n÷3
27265381.333333
n÷3
20449036
n÷5
16359228.8
n2
6690609173268736
n3
5.4726603138441E+23
n4
4.4764251109428E+31
n5
3.6615431297989E+39
2 √n
9044.1220690568
3 √n
434.08783005858
4 √n
95.100589215087
5 √n
38.242525607348
1 , 2 , 4 , 8 , 16 , 317 , 634 , 1268 , 2536 , 5072 , 16127 , 32254 , 64508 , 129016 , 258032 , 5112259 , 10224518 , 20449036 , 40898072 , 81796144
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81796143
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81796144 can be divided by 20 positive divisors.
The sum of these divisors (counting 81796144) is 1, the average is 0.05.
Base
System
Value
2
Binary
100111000000001110000110000
3
Ternary
12200220200012211
4
Quaternary
10320001300300
5
Quinary
131414434034
6
Senary
12041101504
8
Octal
470016060
10
Decimal
81796144
12
Duodecimal
23487894
16
Hexadecimal
4e01c30
20
Vigesimal
15b4a74
36
Base36
1cp6b4
md5
bbfadf43aacc59f8fef04089845abf26
sha1
93956a24c09dbe0225195396ed53018068cc65bc
sha256
167d0caf93453da6f9ca112328955cdfd62fa908ca03fd76b289d747eb01b063
sha512
f45ed316a86e7f87203647797eab3e01c74805999b2df71fa81ee8b103667bd8c7ee1a5e83f182d543b8c1f171b7b1f9e3c655cf02bf6909f7249bd59f2b1ca5
ripemd-160
017acbe6b0b344d40df32e95a8fa7802ceaba3d7
Diameter
163592288
Circumference
513940330.16475
Area
2.1019168626782E+16
Volume
2.2923825916753E+24
Surface area
8.4076674507126E+16
Circumference
513940330.16475
Perimeter
327184576
Area
6690609173268736
Diagonal
115677216.19462
Surface area
40143655039612416
Volume
5.4726603138441E+23
Space diagonal
141675077.27122
Perimeter
245388432
Area
2.897118755422E+15
Altitude
70837538.63561
Surface area
2.897118755422E+15
Volume
6.4495920317494E+22
Height
38559072.064874