81666734 is an even 8-digits composite number following 81666733
and preceding 81666735 . In scientific notation, it is written as 8.1666734 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 40701760 positive integers (up to 81666734) that are relatively prime to 81666734.
81666734 has 8 divisors, whose sum is 122894928
The reverse of 81666734 is 43766618
Previous prime number is 311
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighty-one million six hundred sixty-six thousand seven hundred thirty-four
Scientific notation
8.1666734 × 10^7
Engineering notation
8.1666734 × 10^6
Prime Factorization
2 × 311 × 131297
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81666734
Product of the distinct prime numbers
The prime factorization of 81666734 is 2 × 311 × 131297.
Since it has a total of 3 prime factors.
8 , 3 , 37 , 63 , 918 , 54 , 949 , 6150 , 76165 , 43029 , 359594 , 727615 , 8617534 , 1806128 , 36249866 , 47392955 , 868291640 , 265636268 , 3225257462 , 1307819087
n×2
163333468
n×3
245000202
n×4
326666936
n×5
408333670
n÷2
40833367
n÷3
27222244.666667
n÷3
20416683.5
n÷5
16333346.8
n2
6669455442226756
n3
5.4467264352518E+23
n4
4.4481635895848E+31
n5
3.6326699265911E+39
2 √n
9036.964866591
3 √n
433.85878520608
4 √n
95.062952124321
5 √n
38.230417212297
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81666733
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81666734 can be divided by 8 positive divisors.
The sum of these divisors (counting 81666734) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110111100010001010101110
3
Ternary
12200200002200212
4
Quaternary
10313202022232
5
Quinary
131401313414
6
Senary
12034222422
8
Octal
467421256
10
Decimal
81666734
12
Duodecimal
23424a12
16
Hexadecimal
4de22ae
20
Vigesimal
15a86ge
36
Base36
1cmege
md5
a349bf19a3ec125fb59256259bdffae3
sha1
86e69c4ff05e26d6a706522adfbaf7673c06465a
sha256
57eb942597b5455d1ef972b1b85cb7cf41edcd8cf4658caf3598a0af32756141
sha512
30aee95130dc4972446becf239f8745db4277b01c6116796399f2fea5c5c1a4a8dcc1a79cf5236e33e595c01176c797a508f5403c3594c6bb37803158e58adbe
ripemd-160
ff248b339c5f267a754086802f1bd671a2e74473
Diameter
163333468
Circumference
513127223.15414
Area
2.0952712220744E+16
Volume
2.2815194340134E+24
Surface area
8.3810848882976E+16
Circumference
513127223.15414
Perimeter
326666936
Area
6669455442226756
Diagonal
115494202.81752
Surface area
40016732653360536
Volume
5.4467264352518E+23
Space diagonal
141450932.57621
Perimeter
245000202
Area
2.8879589211884E+15
Altitude
70725466.288106
Surface area
2.8879589211884E+15
Volume
6.4190286627244E+22
Height
38498067.605839