81504708 is an even 8-digits composite number following 81504707
and preceding 81504709 . In scientific notation, it is written as 8.1504708 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors.
There are 27095040 positive integers (up to 81504708) that are relatively prime to 81504708.
81504708 has 24 divisors, whose sum is 190690080
The reverse of 81504708 is 80740518
Previous prime number is 379
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
eighty-one million five hundred four thousand seven hundred eight
Scientific notation
8.1504708 × 10^7
Engineering notation
8.1504708 × 10^6
Prime Factorization
2 × 2 × 3 × 379 × 17921
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
40752354
Product of the distinct prime numbers
The prime factorization of 81504708 is 2 × 2 × 3 × 379 × 17921.
Since it has a total of 5 prime factors.
4 , 5 , 23 , 10 , 855 , 136 , 8221 , 9399 , 9625 , 12598 , 595598 , 360597 , 4020319 , 9725851 , 13443748 , 18108939 , 698387788 , 167028908 , 1595026519 , 7176301585
n×2
163009416
n×3
244514124
n×4
326018832
n×5
407523540
n÷2
40752354
n÷3
27168236
n÷3
20376177
n÷5
16300941.6
n2
6643017426165264
n3
5.4143719555851E+23
n4
4.4129680524335E+31
n5
3.5967767252692E+39
2 √n
9027.9957908719
3 √n
433.5716713858
4 √n
95.01576601213
5 √n
38.215235404663
1 , 2 , 3 , 4 , 6 , 12 , 379 , 758 , 1137 , 1516 , 2274 , 4548 , 17921 , 35842 , 53763 , 71684 , 107526 , 215052 , 6792059 , 13584118 , 20376177 , 27168236 , 40752354 , 81504708
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81504707
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81504708 can be divided by 24 positive divisors.
The sum of these divisors (counting 81504708) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110110111010100111000100
3
Ternary
12200100212102220
4
Quaternary
10312322213010
5
Quinary
131331122313
6
Senary
12030532340
8
Octal
466724704
10
Decimal
81504708
12
Duodecimal
233670b0
16
Hexadecimal
4dba9c4
20
Vigesimal
15981f8
36
Base36
1cixfo
md5
9ec184e5bbe46892f0e3ec5ee126efd8
sha1
91b1479f2c532cd65f38fea6be97381921a16bc1
sha256
cd721bdcd5e5a8cec4e30418e581118fae0ef0a00ec7ecf6f2d54bb0deb30e58
sha512
e7b6ae77d726c877b21b76e305714511d8335fe862f29d449d53647c0fd0c0c5e9b30d318ea3d1e298e1c451b16ed38881e3a482c1d673c95c716b3984c86e3e
ripemd-160
cc0803f26dac70b59fb7d7b9f3f5568ca6fc11a9
Diameter
163009416
Circumference
512109183.77156
Area
2.086965474371E+16
Volume
2.2679668212625E+24
Surface area
8.3478618974839E+16
Circumference
512109183.77156
Perimeter
326018832
Area
6643017426165264
Diagonal
115265063.45086
Surface area
39858104556991584
Volume
5.4143719555851E+23
Space diagonal
141170295.31207
Perimeter
244514124
Area
2.8765109244209E+15
Altitude
70585147.656033
Surface area
2.8765109244209E+15
Volume
6.3808985427675E+22
Height
38421687.816953