81303706 is an even 8-digits composite number following 81303705
and preceding 81303707 . In scientific notation, it is written as 8.1303706 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 36719280 positive integers (up to 81303706) that are relatively prime to 81303706.
81303706 has 16 divisors, whose sum is 133895520
The reverse of 81303706 is 60730318
Previous prime number is 157
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
eighty-one million three hundred three thousand seven hundred six
Scientific notation
8.1303706 × 10^7
Engineering notation
8.1303706 × 10^6
Prime Factorization
2 × 11 × 157 × 23539
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81303706
Product of the distinct prime numbers
The prime factorization of 81303706 is 2 × 11 × 157 × 23539.
Since it has a total of 4 prime factors.
1 , 7 , 75 , 100 , 225 , 684 , 5254 , 2554 , 51830 , 88084 , 200819 , 558605 , 7354842 , 4340548 , 23166894 , 43240532 , 439889138 , 187671222 , 8473095267 , 6918707931
n×2
162607412
n×3
243911118
n×4
325214824
n×5
406518530
n÷2
40651853
n÷3
27101235.333333
n÷3
20325926.5
n÷5
16260741.2
n2
6610292609334436
n3
5.374412868833E+23
n4
4.3695968381021E+31
n5
3.5526441666359E+39
2 √n
9016.856769407
3 √n
433.21496188235
4 √n
94.95713121934
5 √n
38.196367961374
1 , 2 , 11 , 22 , 157 , 314 , 1727 , 3454 , 23539 , 47078 , 258929 , 517858 , 3695623 , 7391246 , 40651853 , 81303706
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
-81303705
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 81303706 can be divided by 16 positive divisors.
The sum of these divisors (counting 81303706) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110110001001100010011010
3
Ternary
12122222122201101
4
Quaternary
10312021202122
5
Quinary
131303204311
6
Senary
12022342014
8
Octal
466114232
10
Decimal
81303706
12
Duodecimal
2328a90a
16
Hexadecimal
4d8989a
20
Vigesimal
1582j56
36
Base36
1cemca
md5
f21e3dc4ee642c87d4b31abb83aa5323
sha1
402f8949be7ff0530adc8ba0dab8637c821d1784
sha256
52ca61159268ce0ca8a77bff87030c8c97bc56396e25327de0c13b036565848a
sha512
5428375665250c2e34a17c85da78a9c0b83f42a8e948c30d92691403d7af53ed41f3c96b872d4c0ef239cabce4b972a4725ea79bfa04f3ed5d6c26d6f1d7dd09
ripemd-160
1ca2587997d9837f39d3fb5a287a4861edb36a03
Diameter
162607412
Circumference
510846250.95845
Area
2.0766846699564E+16
Volume
2.2512287981446E+24
Surface area
8.3067386798256E+16
Circumference
510846250.95845
Perimeter
325214824
Area
6610292609334436
Diagonal
114980803.69639
Surface area
39661755656006616
Volume
5.374412868833E+23
Space diagonal
140822149.63564
Perimeter
243911118
Area
2.8623406630661E+15
Altitude
70411074.817821
Surface area
2.8623406630661E+15
Volume
6.3338063074134E+22
Height
38326934.565465