81032012 is an even 8-digits composite number following 81032011
and preceding 81032013 . In scientific notation, it is written as 8.1032012 × 10^7.
The sum of its digits is 17. It has a total of 4 prime factors and 12 positive divisors.
There are 40406640 positive integers (up to 81032012) that are relatively prime to 81032012.
81032012 has 12 divisors, whose sum is 142188816
The reverse of 81032012 is 21023018
Previous prime number is 373
Is Prime? no
Number parity even
Number length 8
Sum of Digits 17
Digital Root 8
Name
eighty-one million thirty-two thousand twelve
Scientific notation
8.1032012 × 10^7
Engineering notation
8.1032012 × 10^6
Prime Factorization
2 × 2 × 373 × 54311
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40516006
Product of the distinct prime numbers
The prime factorization of 81032012 is 2 × 2 × 373 × 54311.
Since it has a total of 4 prime factors.
4 , 3 , 65 , 42 , 800 , 165 , 6242 , 4706 , 80185 , 33854 , 453683 , 684948 , 3457040 , 3321973 , 99626880 , 32648016 , 292709634 , 819318092 , 887701638 , 2230389121
n×2
162064024
n×3
243096036
n×4
324128048
n×5
405160060
n÷2
40516006
n÷3
27010670.666667
n÷3
20258003
n÷5
16206402.4
n2
6566186968768144
n3
5.3207134124746E+23
n4
4.3114811308821E+31
n5
3.4936799073541E+39
2 √n
9001.7782687645
3 √n
432.73186271246
4 √n
94.877701641452
5 √n
38.170805476821
1 , 2 , 4 , 373 , 746 , 1492 , 54311 , 108622 , 217244 , 20258003 , 40516006 , 81032012
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
-81032011
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 81032012 can be divided by 12 positive divisors.
The sum of these divisors (counting 81032012) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110101000111001101001100
3
Ternary
12122110212000122
4
Quaternary
10311013031030
5
Quinary
131221011022
6
Senary
12012444112
8
Octal
465071514
10
Decimal
81032012
12
Duodecimal
23179638
16
Hexadecimal
4d4734c
20
Vigesimal
156900c
36
Base36
1c8sp8
md5
5fc1ade42a56fc1541cb90b297bc58f7
sha1
e878b1a2d41f9bda4742a46c5989e00c82df915c
sha256
6519ac741bffc6e01246ff041886448c842cb91e392236d452cd81b90f324a3b
sha512
1a1382359756e35a3e539a87211791523dc815c92be81a40f367fb64a4e741a3f3395c36320c58b128b2fc595b1e540793abe8c7a9d7032b47ebdb1db2a6d176
ripemd-160
74e25aa1a52b25717b879886bb59d4be96461a91
Diameter
162064024
Circumference
509139147.2096
Area
2.0628284743179E+16
Volume
2.2287352224649E+24
Surface area
8.2513138972716E+16
Circumference
509139147.2096
Perimeter
324128048
Area
6566186968768144
Diagonal
114596570.35678
Surface area
39397121812608864
Volume
5.3207134124746E+23
Space diagonal
140351561.82353
Perimeter
243096036
Area
2.8432423604758E+15
Altitude
70175780.911765
Surface area
2.8432423604758E+15
Volume
6.2705208911851E+22
Height
38198856.785593