81742016 is an even 8-digits composite number following 81742015
and preceding 81742017 . In scientific notation, it is written as 8.1742016 × 10^7.
The sum of its digits is 29. It has a total of 8 prime factors and 28 positive divisors.
There are 40293120 positive integers (up to 81742016) that are relatively prime to 81742016.
81742016 has 28 divisors, whose sum is 164500560
The reverse of 81742016 is 61024718
Previous prime number is 71
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
eighty-one million seven hundred forty-two thousand sixteen
Scientific notation
8.1742016 × 10^7
Engineering notation
8.1742016 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 71 × 17989
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
2554438
Product of the distinct prime numbers
The prime factorization of 81742016 is 2 × 2 × 2 × 2 × 2 × 2 × 71 × 17989.
Since it has a total of 8 prime factors.
3 , 5 , 54 , 87 , 539 , 301 , 8673 , 1279 , 48865 , 5415 , 103070 , 114649 , 6892803 , 1817961 , 70047212 , 18864931 , 927158120 , 369883914 , 7073910555 , 2908093186
n×2
163484032
n×3
245226048
n×4
326968064
n×5
408710080
n÷2
40871008
n÷3
27247338.666667
n÷3
20435504
n÷5
16348403.2
n2
6681757179744256
n3
5.4618030229477E+23
n4
4.4645879009064E+31
n5
3.649444156293E+39
2 √n
9041.1291330232
3 √n
433.99205744771
4 √n
95.084852279546
5 √n
38.237462924774
1 , 2 , 4 , 8 , 16 , 32 , 64 , 71 , 142 , 284 , 568 , 1136 , 2272 , 4544 , 17989 , 35978 , 71956 , 143912 , 287824 , 575648 , 1151296 , 1277219 , 2554438 , 5108876 , 10217752 , 20435504 , 40871008 , 81742016
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81742015
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81742016 can be divided by 28 positive divisors.
The sum of these divisors (counting 81742016) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
100110111110100100011000000
3
Ternary
12200210220222002
4
Quaternary
10313310203000
5
Quinary
131411221031
6
Senary
12040003132
8
Octal
467644300
10
Decimal
81742016
12
Duodecimal
234604a8
16
Hexadecimal
4df48c0
20
Vigesimal
15ahf0g
36
Base36
1co0jk
md5
8c7cfbae6e5df8eb5203f6a4f7633d79
sha1
1eff56cc6db2d863748bf9d0ccdfe454a3cbea60
sha256
06053bba58c626644d85f9fc54a33d2b0573b9cc115ac56e39e0d806b6ee39f4
sha512
7eb7e1482133331e764fffafb54c46114575a47a42536498046e27ff25ebe0585ab0712153f138d9839144d7cf0747482ce187693aa25b93ca344f7c06330615
ripemd-160
6605dc95f104e071a6993d9788671dc50794bc21
Diameter
163484032
Circumference
513600233.91044
Area
2.0991359268955E+16
Volume
2.2878347002996E+24
Surface area
8.3965437075822E+16
Circumference
513600233.91044
Perimeter
326968064
Area
6681757179744256
Diagonal
115600667.64292
Surface area
40090543078465536
Volume
5.4618030229477E+23
Space diagonal
141581324.82511
Perimeter
245226048
Area
2.8932857297888E+15
Altitude
70790662.412554
Surface area
2.8932857297888E+15
Volume
6.4367965917192E+22
Height
38533555.880973