81707084 is an even 8-digits composite number following 81707083
and preceding 81707085 . In scientific notation, it is written as 8.1707084 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors.
There are 40278000 positive integers (up to 81707084) that are relatively prime to 81707084.
81707084 has 12 divisors, whose sum is 145001808
The reverse of 81707084 is 48070718
Previous prime number is 71
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-one million seven hundred seven thousand eighty-four
Scientific notation
8.1707084 × 10^7
Engineering notation
8.1707084 × 10^6
Prime Factorization
2 × 2 × 71 × 287701
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40853542
Product of the distinct prime numbers
The prime factorization of 81707084 is 2 × 2 × 71 × 287701.
Since it has a total of 4 prime factors.
6 , 1 , 36 , 49 , 894 , 369 , 9712 , 6066 , 84719 , 74972 , 189533 , 196990 , 4685434 , 3209152 , 52323348 , 16008558 , 21684011 , 353509515 , 1615592697 , 3423831412
n×2
163414168
n×3
245121252
n×4
326828336
n×5
408535420
n÷2
40853542
n÷3
27235694.666667
n÷3
20426771
n÷5
16341416.8
n2
6676047575783056
n3
5.454803800625E+23
n4
4.4569611234119E+31
n5
3.6416529689535E+39
2 √n
9039.1970882374
3 √n
433.93022726804
4 √n
95.074692154313
5 √n
38.234194252181
1 , 2 , 4 , 71 , 142 , 284 , 287701 , 575402 , 1150804 , 20426771 , 40853542 , 81707084
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81707083
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81707084 can be divided by 12 positive divisors.
The sum of these divisors (counting 81707084) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110111101100000001001100
3
Ternary
12200202011001022
4
Quaternary
10313230001030
5
Quinary
131404111314
6
Senary
12035133312
8
Octal
467540114
10
Decimal
81707084
12
Duodecimal
23444238
16
Hexadecimal
4dec04c
20
Vigesimal
15ad7e4
36
Base36
1cn9l8
md5
5ae8078076ec4d840b6e9994627f2ae0
sha1
de6096d48572fe64a82171cb4c7c3e7d81877bf7
sha256
3784080e8dc24ef1e8832da8a5ea802d17b2b6bef619876b27fc8211f8c8366b
sha512
b18664da85458a30abdc21b0509c5e4748e1eb720696bc12cb8d72ea6db838dfa7bc32d5c2da5c7e97dcb2be048f61af8394cf0937fb0682153bcde10746d1f6
ripemd-160
118daf5bf6260a48d2d33e05dd6e9f5a7d0e597b
Diameter
163414168
Circumference
513380749.68129
Area
2.0973422019096E+16
Volume
2.284902872909E+24
Surface area
8.3893688076384E+16
Circumference
513380749.68129
Perimeter
326828336
Area
6676047575783056
Diagonal
115551266.33476
Surface area
40056285454698336
Volume
5.454803800625E+23
Space diagonal
141520820.8263
Perimeter
245121252
Area
2.8908133987508E+15
Altitude
70760410.413149
Surface area
2.8908133987508E+15
Volume
6.4285479291068E+22
Height
38517088.778253