81424558 is an even 8-digits composite number following 81424557
and preceding 81424559 . In scientific notation, it is written as 8.1424558 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 40712278 positive integers (up to 81424558) that are relatively prime to 81424558.
81424558 has 4 divisors, whose sum is 122136840
The reverse of 81424558 is 85542418
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty-one million four hundred twenty-four thousand five hundred fifty-eight
Scientific notation
8.1424558 × 10^7
Engineering notation
8.1424558 × 10^6
Prime Factorization
2 × 40712279
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81424558
Product of the distinct prime numbers
The prime factorization of 81424558 is 2 × 40712279.
Since it has a total of 2 prime factors.
6 , 6 , 81 , 8 , 258 , 959 , 9266 , 4827 , 8195 , 41127 , 129882 , 558399 , 2566838 , 4950095 , 26007136 , 81257251 , 452997847 , 865777231 , 9039135598 , 9603713922
n×2
162849116
n×3
244273674
n×4
325698232
n×5
407122790
n÷2
40712279
n÷3
27141519.333333
n÷3
20356139.5
n÷5
16284911.6
n2
6629958645495364
n3
5.3984145226774E+23
n4
4.3956351640979E+31
n5
3.5791265036593E+39
2 √n
9023.555729312
3 √n
433.42950304731
4 √n
94.992398271188
5 √n
38.207716436199
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81424557
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81424558 can be divided by 4 positive divisors.
The sum of these divisors (counting 81424558) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110110100111000010101110
3
Ternary
12200012210111101
4
Quaternary
10312213002232
5
Quinary
131321041213
6
Senary
12025113314
8
Octal
466470256
10
Decimal
81424558
12
Duodecimal
2332883a
16
Hexadecimal
4da70ae
20
Vigesimal
158i17i
36
Base36
1ch7la
md5
8494e9a0b91a46bd018011c9cc41ad15
sha1
0a017b4d325d01867d6ab97412b97143ea7545f8
sha256
9ddb5e99c609f78b633082d044aa269a2ab81cbcfe98acad1078b2cd157e772c
sha512
e5064b15eff2bcb5c28fe392d2fffdb61152eb7041bcf9c360a4105ae35d76c0cf45f983b99a88a6f85bd74918ede1d3c33620ad991181c609f4b5da7211318d
ripemd-160
bb41e1dfa7001a9e639ec2ee4459230c948f2065
Diameter
162849116
Circumference
511605586.46919
Area
2.0828629374292E+16
Volume
2.2612825873968E+24
Surface area
8.3314517497169E+16
Circumference
511605586.46919
Perimeter
325698232
Area
6629958645495364
Diagonal
115151714.23383
Surface area
39779751872972184
Volume
5.3984145226774E+23
Space diagonal
141031471.43984
Perimeter
244273674
Area
2.8708563065196E+15
Altitude
70515735.719919
Surface area
2.8708563065196E+15
Volume
6.3620925277352E+22
Height
38383904.744612