81014742 is an even 8-digits composite number following 81014741
and preceding 81014743 . In scientific notation, it is written as 8.1014742 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors.
There are 26687232 positive integers (up to 81014742) that are relatively prime to 81014742.
81014742 has 32 divisors, whose sum is 141674400
The reverse of 81014742 is 24741018
Previous prime number is 89
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
eighty-one million fourteen thousand seven hundred forty-two
Scientific notation
8.1014742 × 10^7
Engineering notation
8.1014742 × 10^6
Prime Factorization
2 × 9 × 27 × 89 × 1873
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
81014742
Product of the distinct prime numbers
The prime factorization of 81014742 is 2 × 9 × 27 × 89 × 1873.
Since it has a total of 5 prime factors.
5 , 7 , 24 , 14 , 321 , 985 , 8257 , 8382 , 30462 , 47491 , 112679 , 799201 , 9218432 , 2066794 , 34204445 , 7706682 , 911134454 , 897082062 , 6372682835 , 8055486932
n×2
162029484
n×3
243044226
n×4
324058968
n×5
405073710
n÷2
40507371
n÷3
27004914
n÷3
20253685.5
n÷5
16202948.4
n2
6563388421326564
n3
5.3173121959956E+23
n4
4.3078067569204E+31
n5
3.4899585299776E+39
2 √n
9000.8189627389
3 √n
432.70111844213
4 √n
94.872646019487
5 √n
38.169178302574
1 , 2 , 9 , 18 , 27 , 54 , 89 , 178 , 243 , 486 , 801 , 1602 , 1873 , 2403 , 3746 , 4806 , 16857 , 21627 , 33714 , 43254 , 50571 , 101142 , 166697 , 333394 , 455139 , 910278 , 1500273 , 3000546 , 4500819 , 9001638 , 40507371 , 81014742
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81014741
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81014742 can be divided by 32 positive divisors.
The sum of these divisors (counting 81014742) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110101000010111111010110
3
Ternary
12122102222100000
4
Quaternary
10311002333112
5
Quinary
131214432432
6
Senary
12012232130
8
Octal
465027726
10
Decimal
81014742
12
Duodecimal
2316b646
16
Hexadecimal
4d42fd6
20
Vigesimal
1566gh2
36
Base36
1c8fdi
md5
bd98b20a7d5365d362ae6f40468e169d
sha1
2cd51cb967166dcb6ada34492900be6823dd27a9
sha256
d85f477cd61464fd8163717c5da883868f1f95c1803320095d640a8ec417b12c
sha512
e35e846122a82be0dd83a73e46fa8a1f0673d459f6a6b9e67eca380d807b55b274b5bedde7cd5f89380fc270e0d051ea7bdfadaaf1af63c2cae6cda1b5693f8e
ripemd-160
d9f52957744bf1b4bc2d8bfb42b8e6fb59efa1b7
Diameter
162029484
Circumference
509030636.59934
Area
2.0619492847096E+16
Volume
2.2273105242378E+24
Surface area
8.2477971388383E+16
Circumference
509030636.59934
Perimeter
324058968
Area
6563388421326564
Diagonal
114572146.88856
Surface area
39380330527959384
Volume
5.3173121959956E+23
Space diagonal
140321649.30608
Perimeter
243044226
Area
2.8420305538867E+15
Altitude
70160824.653042
Surface area
2.8420305538867E+15
Volume
6.266512519124E+22
Height
38190715.629519