81594042 is an even 8-digits composite number following 81594041
and preceding 81594043 . In scientific notation, it is written as 8.1594042 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 27172832 positive integers (up to 81594042) that are relatively prime to 81594042.
81594042 has 16 divisors, whose sum is 163339200
The reverse of 81594042 is 24049518
Previous prime number is 1193
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
eighty-one million five hundred ninety-four thousand forty-two
Scientific notation
8.1594042 × 10^7
Engineering notation
8.1594042 × 10^6
Prime Factorization
2 × 3 × 1193 × 11399
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81594042
Product of the distinct prime numbers
The prime factorization of 81594042 is 2 × 3 × 1193 × 11399.
Since it has a total of 4 prime factors.
7 , 3 , 13 , 62 , 753 , 238 , 8596 , 5867 , 11381 , 85229 , 524710 , 125924 , 151758 , 2859146 , 28977759 , 3459955 , 789559217 , 432496943 , 5658851666 , 4486266127
n×2
163188084
n×3
244782126
n×4
326376168
n×5
407970210
n÷2
40797021
n÷3
27198014
n÷3
20398510.5
n÷5
16318808.4
n2
6657587689897764
n3
5.432194895882E+23
n4
4.4323473848678E+31
n5
3.616531386795E+39
2 √n
9032.942045646
3 √n
433.73002031288
4 √n
95.041791048181
5 √n
38.22360896777
1 , 2 , 3 , 6 , 1193 , 2386 , 3579 , 7158 , 11399 , 22798 , 34197 , 68394 , 13599007 , 27198014 , 40797021 , 81594042
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81594041
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81594042 can be divided by 16 positive divisors.
The sum of these divisors (counting 81594042) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110111010000011010111010
3
Ternary
12200112101222120
4
Quaternary
10313100122322
5
Quinary
131342002132
6
Senary
12032502110
8
Octal
467203272
10
Decimal
81594042
12
Duodecimal
233aa936
16
Hexadecimal
4dd06ba
20
Vigesimal
159j522
36
Base36
1ckud6
md5
d6bbc9e12eb6c9438b772d1a63b80f66
sha1
7181c6f8e4a278fc5ec1147daa360f53a4b81284
sha256
e59d3b9d0804762a1a8e3f6579d3b853ddeb270485f463c07cf55d8792f33f39
sha512
82d708148137d351438a622c40c5df96d8c0e96ee1d0a5953294045cf7c03be60ac2aa6da5e948d714f412ca4313586fc7c26d857281f76d75a314340c78b162
ripemd-160
15f919fc157e56a4e7c94e008655c63868b49e71
Diameter
163188084
Circumference
512670485.84779
Area
2.0915428577213E+16
Volume
2.2754324770361E+24
Surface area
8.3661714308851E+16
Circumference
512670485.84779
Perimeter
326376168
Area
6657587689897764
Diagonal
115391400.80524
Surface area
39945526139386584
Volume
5.432194895882E+23
Space diagonal
141325026.33891
Perimeter
244782126
Area
2.882820033687E+15
Altitude
70662513.169454
Surface area
2.882820033687E+15
Volume
6.4019030793419E+22
Height
38463800.268413