81796129 is an odd 8-digits composite number following 81796128
and preceding 81796130 . In scientific notation, it is written as 8.1796129 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 76984576 positive integers (up to 81796129) that are relatively prime to 81796129.
81796129 has 4 divisors, whose sum is 86607684
The reverse of 81796129 is 92169718
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
eighty-one million seven hundred ninety-six thousand one hundred twenty-nine
Scientific notation
8.1796129 × 10^7
Engineering notation
8.1796129 × 10^6
Prime Factorization
17 × 4811537
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81796129
Product of the distinct prime numbers
The prime factorization of 81796129 is 17 × 4811537.
Since it has a total of 2 prime factors.
5 , 10 , 23 , 28 , 136 , 869 , 1674 , 9540 , 10322 , 29732 , 336210 , 161858 , 9943254 , 2157395 , 38446472 , 88060042 , 282740224 , 43041174 , 6007196448 , 5729256383
n×2
163592258
n×3
245388387
n×4
327184516
n×5
408980645
n÷2
40898064.5
n÷3
27265376.333333
n÷3
20449032.25
n÷5
16359225.8
n2
6690606719384641
n3
5.4726573030705E+23
n4
4.4764218273475E+31
n5
3.6615397724813E+39
2 √n
9044.1212397889
3 √n
434.08780352384
4 √n
95.100584855136
5 √n
38.242524204745
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81796128
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81796129 can be divided by 4 positive divisors.
The sum of these divisors (counting 81796129) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111000000001110000100001
3
Ternary
12200220200012021
4
Quaternary
10320001300201
5
Quinary
131414434004
6
Senary
12041101441
8
Octal
470016041
10
Decimal
81796129
12
Duodecimal
23487881
16
Hexadecimal
4e01c21
20
Vigesimal
15b4a69
36
Base36
1cp6ap
md5
ba8e3d9fe1502e743d506b3dd2bf05a0
sha1
71a5509c06410091d92c6bcc7164a3d827ffd20a
sha256
b9a1cc29b51695e5cef2ea7dc9089dc7150df7f4e716096adcbc037ecf9ad7cd
sha512
7b01fa87c589c92fbd4b46d68cb5e80bed5e7352bf1a4e42773fa866c9847baa3f6e62f9d08f13ece048c6f5b4cf2d9f4f94fb6c6b8302e7717d1c70f2ee76a9
ripemd-160
642465f1cf1a269b2253fa17160aa2cda5083d9b
Diameter
163592258
Circumference
513940235.91697
Area
2.1019160917677E+16
Volume
2.2923813305255E+24
Surface area
8.4076643670709E+16
Circumference
513940235.91697
Perimeter
327184516
Area
6690606719384641
Diagonal
115677194.98142
Surface area
40143640316307846
Volume
5.4726573030705E+23
Space diagonal
141675051.29046
Perimeter
245388387
Area
2.897117692859E+15
Altitude
70837525.645229
Surface area
2.897117692859E+15
Volume
6.4495884835188E+22
Height
38559064.993806