81532012 is an even 8-digits composite number following 81532011
and preceding 81532013 . In scientific notation, it is written as 8.1532012 × 10^7.
The sum of its digits is 22. It has a total of 4 prime factors and 12 positive divisors.
There are 40735520 positive integers (up to 81532012) that are relatively prime to 81532012.
81532012 has 12 divisors, whose sum is 142787736
The reverse of 81532012 is 21023518
Previous prime number is 1481
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
eighty-one million five hundred thirty-two thousand twelve
Scientific notation
8.1532012 × 10^7
Engineering notation
8.1532012 × 10^6
Prime Factorization
2 × 2 × 1481 × 13763
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40766006
Product of the distinct prime numbers
The prime factorization of 81532012 is 2 × 2 × 1481 × 13763.
Since it has a total of 4 prime factors.
9 , 2 , 13 , 86 , 811 , 700 , 5746 , 654 , 20659 , 83328 , 92994 , 467843 , 7766971 , 7009792 , 27091957 , 38471734 , 143959288 , 464282396 , 2220978023 , 6595074131
n×2
163064024
n×3
244596036
n×4
326128048
n×5
407660060
n÷2
40766006
n÷3
27177337.333333
n÷3
20383003
n÷5
16306402.4
n2
6647468980768144
n3
5.4198152070962E+23
n4
4.4188843850275E+31
n5
3.6028053470667E+39
2 √n
9029.5078492684
3 √n
433.62008134689
4 √n
95.023722560571
5 √n
38.217795475172
1 , 2 , 4 , 1481 , 2962 , 5924 , 13763 , 27526 , 55052 , 20383003 , 40766006 , 81532012
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81532011
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81532012 can be divided by 12 positive divisors.
The sum of these divisors (counting 81532012) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110111000001010001101100
3
Ternary
12200102020220011
4
Quaternary
10313001101230
5
Quinary
131333011022
6
Senary
12031303004
8
Octal
467012154
10
Decimal
81532012
12
Duodecimal
2337aa64
16
Hexadecimal
4dc146c
20
Vigesimal
159ba0c
36
Base36
1cjii4
md5
8508b69eb4f1267ecec981adb57f0e52
sha1
edf53a5997be1294e8a539afeb678272cf7b75e8
sha256
e9bb6f77fad3dfe1aa837fdb00407490f725783708d3b45adb1ac9411ef1c6f8
sha512
7f7a239c65c980b7da68b34e36abcb7f77e9bfa42896cd0c693ae419c1d0509ca3d07a71ac6bbd9f335dcdd4e47e9420842bebfd00e5a5085d535d308159b214
ripemd-160
fcf5a2c5f8ccc36bea3b32ddffcec0aed3bfc5c2
Diameter
163064024
Circumference
512280739.86319
Area
2.0883639714947E+16
Volume
2.2702468851237E+24
Surface area
8.3534558859789E+16
Circumference
512280739.86319
Perimeter
326128048
Area
6647468980768144
Diagonal
115303677.13797
Surface area
39884813884608864
Volume
5.4198152070962E+23
Space diagonal
141217587.22732
Perimeter
244596036
Area
2.8784385041071E+15
Altitude
70608793.613658
Surface area
2.8784385041071E+15
Volume
6.3873134761928E+22
Height
38434559.045989