81424162 is an even 8-digits composite number following 81424161
and preceding 81424163 . In scientific notation, it is written as 8.1424162 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 39615840 positive integers (up to 81424162) that are relatively prime to 81424162.
81424162 has 16 divisors, whose sum is 125469792
The reverse of 81424162 is 26142418
Previous prime number is 83
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
eighty-one million four hundred twenty-four thousand one hundred sixty-two
Scientific notation
8.1424162 × 10^7
Engineering notation
8.1424162 × 10^6
Prime Factorization
2 × 67 × 83 × 7321
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81424162
Product of the distinct prime numbers
The prime factorization of 81424162 is 2 × 67 × 83 × 7321.
Since it has a total of 4 prime factors.
10 , 6 , 11 , 37 , 223 , 389 , 4975 , 7585 , 64571 , 21555 , 178614 , 10073 , 9445058 , 4485536 , 5516222 , 43628885 , 983067424 , 64158871 , 970334627 , 6339669311
n×2
162848324
n×3
244272486
n×4
325696648
n×5
407120810
n÷2
40712081
n÷3
27141387.333333
n÷3
20356040.5
n÷5
16284832.4
n2
6629894157402244
n3
5.3983357591517E+23
n4
4.3955496538356E+31
n5
3.5790394709296E+39
2 √n
9023.5337867157
3 √n
433.42880039951
4 √n
94.992282774527
5 √n
38.207679272264
1 , 2 , 67 , 83 , 134 , 166 , 5561 , 7321 , 11122 , 14642 , 490507 , 607643 , 981014 , 1215286 , 40712081 , 81424162
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
-81424161
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 81424162 can be divided by 16 positive divisors.
The sum of these divisors (counting 81424162) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110110100110111100100010
3
Ternary
12200012202221201
4
Quaternary
10312212330202
5
Quinary
131321033122
6
Senary
12025111414
8
Octal
466467442
10
Decimal
81424162
12
Duodecimal
2332856a
16
Hexadecimal
4da6f22
20
Vigesimal
158i082
36
Base36
1ch7aa
md5
adb5bbdbfca777914588baaa28d67e32
sha1
d1412f10d85aabebea195b7c4d1434c901eff594
sha256
99fbe3681cf3c1d3b6660e02ff6f1f2fdb575d083ee73136d4e827264325160d
sha512
04ecefb48da2de73de0929c20a715bd39c0d900d85aed1626b74398122df61d7371bccac2067e15e9dfe4c03007b1ca11b7c1534210e895e0e11edcc1aa7ecaa
ripemd-160
9151c6a1975e2b74fa735c0ba6fd705301616827
Diameter
162848324
Circumference
511603098.32781
Area
2.0828426778973E+16
Volume
2.2612495950083E+24
Surface area
8.3313707115891E+16
Circumference
511603098.32781
Perimeter
325696648
Area
6629894157402244
Diagonal
115151154.20526
Surface area
39779364944413464
Volume
5.3983357591517E+23
Space diagonal
141030785.54772
Perimeter
244272486
Area
2.8708283823562E+15
Altitude
70515392.77386
Surface area
2.8708283823562E+15
Volume
6.36199970403E+22
Height
38383718.068421