81490167 is an odd 8-digits composite number following 81490166
and preceding 81490168 . In scientific notation, it is written as 8.1490167 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 49248000 positive integers (up to 81490167) that are relatively prime to 81490167.
81490167 has 24 divisors, whose sum is 128773008
The reverse of 81490167 is 76109418
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighty-one million four hundred ninety thousand one hundred sixty-seven
Scientific notation
8.1490167 × 10^7
Engineering notation
8.1490167 × 10^6
Prime Factorization
433 × 3 × 3 × 11 × 1901
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
27163389
Product of the distinct prime numbers
The prime factorization of 81490167 is 433 × 3 × 3 × 11 × 1901.
Since it has a total of 5 prime factors.
7 , 7 , 28 , 16 , 921 , 515 , 1104 , 9512 , 18587 , 53649 , 192663 , 171937 , 7884857 , 3600213 , 96561291 , 26131222 , 238519728 , 204258044 , 4798618611 , 6125832123
n×2
162980334
n×3
244470501
n×4
325960668
n×5
407450835
n÷2
40745083.5
n÷3
27163389
n÷3
20372541.75
n÷5
16298033.4
n2
6640647317687889
n3
5.4114745890649E+23
n4
4.4098196797915E+31
n5
3.593569421461E+39
2 √n
9027.1904267053
3 √n
433.54588579708
4 √n
95.011527862177
5 √n
38.213871735223
1 , 3 , 9 , 11 , 33 , 99 , 433 , 1299 , 1901 , 3897 , 4763 , 5703 , 14289 , 17109 , 20911 , 42867 , 62733 , 188199 , 823133 , 2469399 , 7408197 , 9054463 , 27163389 , 81490167
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
-81490166
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 81490167 can be divided by 24 positive divisors.
The sum of these divisors (counting 81490167) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110110110111000011110111
3
Ternary
12200100010111100
4
Quaternary
10312313003313
5
Quinary
131330141132
6
Senary
12030341143
8
Octal
466670367
10
Decimal
81490167
12
Duodecimal
2335a7b3
16
Hexadecimal
4db70f7
20
Vigesimal
1596587
36
Base36
1cim7r
md5
9ce70287bdc80a65465199cd0a70fddf
sha1
22742de07191ad4b050ab824148562d578944037
sha256
74e01346b2fbf3a77c4bb72708b5b0d109737277e9587d77a1e1208502e739d8
sha512
23dffff30e9ae1d45bb89fb1647fbc561eabd4b52d33dc6e57e230f00b1b033ef56be4f17e97c377e81413d77a9346aa9d7a5c828ccaec1b4108cc8ca4da902f
ripemd-160
1217272f425c7d68c87514813b8485de32511f28
Diameter
162980334
Circumference
512017819.97401
Area
2.0862208828329E+16
Volume
2.2667531752125E+24
Surface area
8.3448835313316E+16
Circumference
512017819.97401
Perimeter
325960668
Area
6640647317687889
Diagonal
115244499.37145
Surface area
39843883906127334
Volume
5.4114745890649E+23
Space diagonal
141145109.56127
Perimeter
244470501
Area
2.8754846373454E+15
Altitude
70572554.780636
Surface area
2.8754846373454E+15
Volume
6.3774839635774E+22
Height
38414833.123816