81503012 is an even 8-digits composite number following 81503011
and preceding 81503013 . In scientific notation, it is written as 8.1503012 × 10^7.
The sum of its digits is 20. It has a total of 5 prime factors and 24 positive divisors.
There are 39922848 positive integers (up to 81503012) that are relatively prime to 81503012.
81503012 has 24 divisors, whose sum is 145560576
The reverse of 81503012 is 21030518
Previous prime number is 127
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
eighty-one million five hundred three thousand twelve
Scientific notation
8.1503012 × 10^7
Engineering notation
8.1503012 × 10^6
Prime Factorization
2 × 2 × 83 × 127 × 1933
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
40751506
Product of the distinct prime numbers
The prime factorization of 81503012 is 2 × 2 × 83 × 127 × 1933.
Since it has a total of 5 prime factors.
3 , 7 , 13 , 67 , 3 , 240 , 9938 , 5189 , 3176 , 54419 , 13667 , 735081 , 8282182 , 966983 , 59440354 , 48330200 , 820601440 , 256607651 , 2258688560 , 6211152939
n×2
163006024
n×3
244509036
n×4
326012048
n×5
407515060
n÷2
40751506
n÷3
27167670.666667
n÷3
20375753
n÷5
16300602.4
n2
6642740965072144
n3
5.4140339658917E+23
n4
4.4126007529048E+31
n5
3.5964025211521E+39
2 √n
9027.9018603439
3 √n
433.5686640231
4 √n
95.015271721676
5 √n
38.215076362124
1 , 2 , 4 , 83 , 127 , 166 , 254 , 332 , 508 , 1933 , 3866 , 7732 , 10541 , 21082 , 42164 , 160439 , 245491 , 320878 , 490982 , 641756 , 981964 , 20375753 , 40751506 , 81503012
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81503011
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81503012 can be divided by 24 positive divisors.
The sum of these divisors (counting 81503012) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110110111010001100100100
3
Ternary
12200100210010002
4
Quaternary
10312322030210
5
Quinary
131331044022
6
Senary
12030520432
8
Octal
466721444
10
Decimal
81503012
12
Duodecimal
23366118
16
Hexadecimal
4dba324
20
Vigesimal
1597hac
36
Base36
1ciw4k
md5
3b195ffe73e94ad2e94315ad99d76069
sha1
698e1acdc64fdb80f73f83f2d2c82aabf7a43c09
sha256
354a3459d36dd81e5a20a6f681af7a1ec0cfca06005321832d8ffec36f0b43ac
sha512
315b1517b93c6acfa19e446cade0af5b74ab906dc9d5008848210d88645ad4b75d3aa1a6aeb9cceaf5113dd22fbfa4e7f15ca3ba9c7e0774878d6bbb487b2d61
ripemd-160
24742ea7d760a65047623a9824bf9476f54e9ac2
Diameter
163006024
Circumference
512098527.48928
Area
2.0868786215571E+16
Volume
2.2678252444708E+24
Surface area
8.3475144862282E+16
Circumference
512098527.48928
Perimeter
326012048
Area
6642740965072144
Diagonal
115262664.94466
Surface area
39856445790432864
Volume
5.4140339658917E+23
Space diagonal
141167357.7539
Perimeter
244509036
Area
2.876391213256E+15
Altitude
70583678.876948
Surface area
2.876391213256E+15
Volume
6.3805002180938E+22
Height
38420888.314886