81640116 is an even 8-digits composite number following 81640115
and preceding 81640117 . In scientific notation, it is written as 8.1640116 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 27150336 positive integers (up to 81640116) that are relatively prime to 81640116.
81640116 has 24 divisors, whose sum is 148505280
The reverse of 81640116 is 61104618
Previous prime number is 769
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
eighty-one million six hundred forty thousand one hundred sixteen
Scientific notation
8.1640116 × 10^7
Engineering notation
8.1640116 × 10^6
Prime Factorization
2 × 2 × 27 × 769 × 983
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
40820058
Product of the distinct prime numbers
The prime factorization of 81640116 is 2 × 2 × 27 × 769 × 983.
Since it has a total of 5 prime factors.
5 , 6 , 10 , 47 , 483 , 78 , 1096 , 8508 , 71500 , 24801 , 479581 , 824300 , 8553432 , 3304827 , 4043092 , 79771805 , 250706594 , 842073116 , 5791484130 , 1726705582
n×2
163280232
n×3
244920348
n×4
326560464
n×5
408200580
n÷2
40820058
n÷3
27213372
n÷3
20410029
n÷5
16328023.2
n2
6665108540493456
n3
5.4414023439848E+23
n4
4.4423671856559E+31
n5
3.6267537235154E+39
2 √n
9035.4920175937
3 √n
433.81164357943
4 √n
95.055205105211
5 √n
38.227924765515
1 , 2 , 4 , 27 , 54 , 108 , 769 , 983 , 1538 , 1966 , 3076 , 3932 , 20763 , 26541 , 41526 , 53082 , 83052 , 106164 , 755927 , 1511854 , 3023708 , 20410029 , 40820058 , 81640116
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
-81640115
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 81640116 can be divided by 24 positive divisors.
The sum of these divisors (counting 81640116) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110111011011101010110100
3
Ternary
12200121202012000
4
Quaternary
10313123222310
5
Quinary
131344440431
6
Senary
12033455300
8
Octal
467335264
10
Decimal
81640116
12
Duodecimal
23411530
16
Hexadecimal
4ddbab4
20
Vigesimal
15a505g
36
Base36
1cltx0
md5
497f63978e58c8e112e7c13afcb7a6a8
sha1
2e032f0024ad08cf285e8f8c36b8ec65c96ad9f2
sha256
9296c90295f020d63eabdb15614c4a0d8949d918f521305dc1e85ad7b0a46af9
sha512
d764597e48deccac6e112e732141d6b47bc3bfd2dc736caa1d28c5ba5cbf184af18b91aec9b31b82b90e199b5cd2dd382d72cff1735cf10b92c89174ce479271
ripemd-160
b7329cd4ad942f63becc638c9df4fd4ec2b16361
Diameter
163280232
Circumference
512959977.32764
Area
2.0939056026193E+16
Volume
2.2792892838785E+24
Surface area
8.3756224104771E+16
Circumference
512959977.32764
Perimeter
326560464
Area
6665108540493456
Diagonal
115456559.28091
Surface area
39990651242960736
Volume
5.4414023439848E+23
Space diagonal
141404828.84782
Perimeter
244920348
Area
2.886076657524E+15
Altitude
70702414.423908
Surface area
2.886076657524E+15
Volume
6.4127541609933E+22
Height
38485519.760304