81707066 is an even 8-digits composite number following 81707065
and preceding 81707067 . In scientific notation, it is written as 8.1707066 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 32957376 positive integers (up to 81707066) that are relatively prime to 81707066.
81707066 has 16 divisors, whose sum is 148309056
The reverse of 81707066 is 66070718
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-one million seven hundred seven thousand sixty-six
Scientific notation
8.1707066 × 10^7
Engineering notation
8.1707066 × 10^6
Prime Factorization
2 × 7 × 17 × 343307
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81707066
Product of the distinct prime numbers
The prime factorization of 81707066 is 2 × 7 × 17 × 343307.
Since it has a total of 4 prime factors.
2 , 8 , 99 , 14 , 233 , 259 , 232 , 9272 , 69029 , 14164 , 199469 , 54646 , 7263864 , 1330327 , 68133483 , 10173385 , 129340134 , 347045933 , 7125635995 , 2590210816
n×2
163414132
n×3
245121198
n×4
326828264
n×5
408535330
n÷2
40853533
n÷3
27235688.666667
n÷3
20426766.5
n÷5
16341413.2
n2
6676044634328356
n3
5.4548001955601E+23
n4
4.4569571959544E+31
n5
3.6416489576902E+39
2 √n
9039.1960925737
3 √n
433.93019540322
4 √n
95.074686918095
5 √n
38.234192567589
1 , 2 , 7 , 14 , 17 , 34 , 119 , 238 , 343307 , 686614 , 2403149 , 4806298 , 5836219 , 11672438 , 40853533 , 81707066
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
-81707065
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 81707066 can be divided by 16 positive divisors.
The sum of these divisors (counting 81707066) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110111101100000000111010
3
Ternary
12200202011000122
4
Quaternary
10313230000322
5
Quinary
131404111231
6
Senary
12035133242
8
Octal
467540072
10
Decimal
81707066
12
Duodecimal
23444222
16
Hexadecimal
4dec03a
20
Vigesimal
15ad7d6
36
Base36
1cn9kq
md5
5e3728caa2a8ae4d8a9242f0c3919174
sha1
5b9fa35b94bf4c95ed31b3441866d93574c84dd9
sha256
c97d6e4610ac88874d574ca383f094f97cb6b487339ceaf9b091ff012e3385f8
sha512
eb6cdffa0bb945c7f4e63d9bb441eddcd5bf2943c1e06c39fbe1e3cd23e74015dc809bd2690facc3f3ea528402a65d9f18bb1a2e89bc9a2dbc79b185cfd6faac
ripemd-160
055a9709c1d1bb3841e06b562928a703cb6ed955
Diameter
163414132
Circumference
513380636.58395
Area
2.0973412778244E+16
Volume
2.2849013628229E+24
Surface area
8.3893651112974E+16
Circumference
513380636.58395
Perimeter
326828264
Area
6676044634328356
Diagonal
115551240.87891
Surface area
40056267805970136
Volume
5.4548001955601E+23
Space diagonal
141520789.64938
Perimeter
245121198
Area
2.8908121250636E+15
Altitude
70760394.824692
Surface area
2.8908121250636E+15
Volume
6.4285436804971E+22
Height
38517080.292971