81109743 is an odd 8-digits composite number following 81109742
and preceding 81109744 . In scientific notation, it is written as 8.1109743 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 45375840 positive integers (up to 81109743) that are relatively prime to 81109743.
81109743 has 8 divisors, whose sum is 108903168
The reverse of 81109743 is 34790118
Previous prime number is 143
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
eighty-one million one hundred nine thousand seven hundred forty-three
Scientific notation
8.1109743 × 10^7
Engineering notation
8.1109743 × 10^6
Prime Factorization
3 × 143 × 189067
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81109743
Product of the distinct prime numbers
The prime factorization of 81109743 is 3 × 143 × 189067.
Since it has a total of 3 prime factors.
9 , 7 , 56 , 58 , 542 , 792 , 5901 , 7895 , 30694 , 74767 , 683291 , 624457 , 5408048 , 1620493 , 74217048 , 88344123 , 131085196 , 87640859 , 6383260304 , 4578288363
n×2
162219486
n×3
243329229
n×4
324438972
n×5
405548715
n÷2
40554871.5
n÷3
27036581
n÷3
20277435.75
n÷5
16221948.6
n2
6578790409526049
n3
5.3360399936752E+23
n4
4.3280483252472E+31
n5
3.5104688735238E+39
2 √n
9006.0947696546
3 √n
432.87018636113
4 √n
94.900446625159
5 √n
38.178125835746
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
-81109742
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 81109743 can be divided by 8 positive divisors.
The sum of these divisors (counting 81109743) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110101011010001011101111
3
Ternary
12122121210122120
4
Quaternary
10311122023233
5
Quinary
131231002433
6
Senary
12014244023
8
Octal
465321357
10
Decimal
81109743
12
Duodecimal
231b6613
16
Hexadecimal
4d5a2ef
20
Vigesimal
156ie73
36
Base36
1cagof
md5
db94edc0aa332772ed7a8dc14834b4f1
sha1
4eb52439ce5de18bc3011378abb2b7442d370b84
sha256
3489bf4adf5f1c9f4824e94fee19afe3cef4132a73b1b1744a2ca9bc57664e86
sha512
08a2ece67bfc1ce92a4abe634c45fc848d8d3459aa4ddbc1804861123714d013df27d75b97b8062873ce36e74e30b93b867c911ef1ca851f67fb55fa258f9e23
ripemd-160
19e703446ada1c781d35460e16646b8ea43e0a41
Diameter
162219486
Circumference
509627545.48671
Area
2.0667879620074E+16
Volume
2.2351552057855E+24
Surface area
8.2671518480296E+16
Circumference
509627545.48671
Perimeter
324438972
Area
6578790409526049
Diagonal
114706498.5912
Surface area
39472742457156294
Volume
5.3360399936752E+23
Space diagonal
140486195.86485
Perimeter
243329229
Area
2.8486998104115E+15
Altitude
70243097.932427
Surface area
2.8486998104115E+15
Volume
6.2885834403506E+22
Height
38235499.530399