81427059 is an odd 8-digits composite number following 81427058
and preceding 81427060 . In scientific notation, it is written as 8.1427059 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 43790976 positive integers (up to 81427059) that are relatively prime to 81427059.
81427059 has 16 divisors, whose sum is 100362240
The reverse of 81427059 is 95072418
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighty-one million four hundred twenty-seven thousand fifty-nine
Scientific notation
8.1427059 × 10^7
Engineering notation
8.1427059 × 10^6
Prime Factorization
21 × 9 × 17 × 25343
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81427059
Product of the distinct prime numbers
The prime factorization of 81427059 is 21 × 9 × 17 × 25343.
Since it has a total of 4 prime factors.
4 , 8 , 5 , 35 , 542 , 297 , 7895 , 1944 , 22582 , 46970 , 411156 , 600186 , 610126 , 6392682 , 99065091 , 67959202 , 651081768 , 421302492 , 9572704626 , 1286801619
n×2
162854118
n×3
244281177
n×4
325708236
n×5
407135295
n÷2
40713529.5
n÷3
27142353
n÷3
20356764.75
n÷5
16285411.8
n2
6630365937389481
n3
5.398911983754E+23
n4
4.3961752463695E+31
n5
3.5796762116047E+39
2 √n
9023.6943099819
3 √n
433.43394067692
4 √n
94.993127698702
5 √n
38.207951147513
1 , 9 , 17 , 21 , 153 , 189 , 357 , 3213 , 25343 , 228087 , 430831 , 532203 , 3877479 , 4789827 , 9047451 , 81427059
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
-81427058
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 81427059 can be divided by 16 positive divisors.
The sum of these divisors (counting 81427059) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110110100111101001110011
3
Ternary
12200012220221000
4
Quaternary
10312213221303
5
Quinary
131321131214
6
Senary
12025133043
8
Octal
466475163
10
Decimal
81427059
12
Duodecimal
2332a183
16
Hexadecimal
4da7a73
20
Vigesimal
158i7cj
36
Base36
1ch9ir
md5
13ce8eb9efc883bed0047df9f44e3b77
sha1
1ea8127afedfa58eff7ec505583791518aa94c05
sha256
d4ba07ec850478ab73131d0da640d37328490a4786ce64476b7ff30e5ea996a4
sha512
187ba807652835df06eeebbe6858b8cb795735b1dbe200ad9fb2ea49127ccaffe625d7d63405233b7e3d0c3cde38ac770763713baaa451d81a45dfebb9f4b35d
ripemd-160
133153274322659a0b36282d2d1925efe4f84ec0
Diameter
162854118
Circumference
511621300.71565
Area
2.0829908919515E+16
Volume
2.2614909634053E+24
Surface area
8.3319635678059E+16
Circumference
511621300.71565
Perimeter
325708236
Area
6630365937389481
Diagonal
115155251.18195
Surface area
39782195624336886
Volume
5.398911983754E+23
Space diagonal
141035803.29891
Perimeter
244281177
Area
2.8710326690832E+15
Altitude
70517901.649454
Surface area
2.8710326690832E+15
Volume
6.3626787912363E+22
Height
38385083.727318