81704769 is an odd 8-digits composite number following 81704768
and preceding 81704770 . In scientific notation, it is written as 8.1704769 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 50183712 positive integers (up to 81704769) that are relatively prime to 81704769.
81704769 has 16 divisors, whose sum is 114892800
The reverse of 81704769 is 96740718
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighty-one million seven hundred four thousand seven hundred sixty-nine
Scientific notation
8.1704769 × 10^7
Engineering notation
8.1704769 × 10^6
Prime Factorization
3 × 703 × 19 × 2039
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81704769
Product of the distinct prime numbers
The prime factorization of 81704769 is 3 × 703 × 19 × 2039.
Since it has a total of 4 prime factors.
2 , 2 , 98 , 45 , 699 , 689 , 1520 , 8994 , 65392 , 21305 , 611385 , 813781 , 8134253 , 6419249 , 9473980 , 38044174 , 52623599 , 216242485 , 480689272 , 4781353227
n×2
163409538
n×3
245114307
n×4
326819076
n×5
408523845
n÷2
40852384.5
n÷3
27234923
n÷3
20426192.25
n÷5
16340953.8
n2
6675669277343361
n3
5.4543401622574E+23
n4
4.4564560300466E+31
n5
3.6411371049361E+39
2 √n
9039.0690339216
3 √n
433.92612905969
4 √n
95.074018711326
5 √n
38.233977592478
1 , 3 , 19 , 57 , 703 , 2039 , 2109 , 6117 , 13357 , 38741 , 40071 , 116223 , 1433417 , 4300251 , 27234923 , 81704769
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
-81704768
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 81704769 can be divided by 16 positive divisors.
The sum of these divisors (counting 81704769) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110111101011011101000001
3
Ternary
12200202000212120
4
Quaternary
10313223131001
5
Quinary
131404023034
6
Senary
12035114453
8
Octal
467533501
10
Decimal
81704769
12
Duodecimal
23442a29
16
Hexadecimal
4deb741
20
Vigesimal
15ad1i9
36
Base36
1cn7sx
md5
0bdc7d3d78aaae58c8091a1e750746d7
sha1
afba26cc062fa74b2802d137bdc2c886e58826f0
sha256
c9b4757c1384f874f282abcee570d21f036149838614f3daa27a1282bf7b1cc8
sha512
687b7b55309af8ddfc9c9e6caf4da850d229f8361567f659e7d65fd7e497ac8757561c9a7b34cbe9a15e4e0d9e2d24070b725cdadbf0e4862966c9c6f0f97407
ripemd-160
06e6fd9413cb2fe269fbe2a43eb619f595ddfa7a
Diameter
163409538
Circumference
513366204.1073
Area
2.0972233559497E+16
Volume
2.2847086645237E+24
Surface area
8.3888934237988E+16
Circumference
513366204.1073
Perimeter
326819076
Area
6675669277343361
Diagonal
115547992.43036
Surface area
40054015664060166
Volume
5.4543401622574E+23
Space diagonal
141516811.12868
Perimeter
245114307
Area
2.8906495907213E+15
Altitude
70758405.564339
Surface area
2.8906495907213E+15
Volume
6.4280015260505E+22
Height
38515997.476787