81330773 is an odd 8-digits composite number following 81330772
and preceding 81330774 . In scientific notation, it is written as 8.1330773 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 74955456 positive integers (up to 81330773) that are relatively prime to 81330773.
81330773 has 12 divisors, whose sum is 88171020
The reverse of 81330773 is 37703318
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
eighty-one million three hundred thirty thousand seven hundred seventy-three
Scientific notation
8.1330773 × 10^7
Engineering notation
8.1330773 × 10^6
Prime Factorization
37 × 19 × 19 × 6089
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4280567
Product of the distinct prime numbers
The prime factorization of 81330773 is 37 × 19 × 19 × 6089.
Since it has a total of 4 prime factors.
2 , 4 , 25 , 32 , 450 , 772 , 4008 , 8770 , 32006 , 32017 , 230593 , 253360 , 8472024 , 243791 , 83948110 , 89484176 , 702619756 , 259199069 , 483030657 , 2033312050
n×2
162661546
n×3
243992319
n×4
325323092
n×5
406653865
n÷2
40665386.5
n÷3
27110257.666667
n÷3
20332693.25
n÷5
16266154.6
n2
6614694636777529
n3
5.3797822796807E+23
n4
4.3754185137813E+31
n5
3.5585616992435E+39
2 √n
9018.3575555641
3 √n
433.26303073828
4 √n
94.965033331032
5 √n
38.198910830564
1 , 19 , 37 , 361 , 703 , 6089 , 13357 , 115691 , 225293 , 2198129 , 4280567 , 81330773
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
-81330772
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 81330773 can be divided by 12 positive divisors.
The sum of these divisors (counting 81330773) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110110010000001001010101
3
Ternary
12200001000211212
4
Quaternary
10312100021111
5
Quinary
131310041043
6
Senary
12023111205
8
Octal
466201125
10
Decimal
81330773
12
Duodecimal
232a2505
16
Hexadecimal
4d90255
20
Vigesimal
15866id
36
Base36
1cf785
md5
f7cd9562f32e57b02530005e16ba1947
sha1
7b8c14c9a2c7c095f4d54b4df2f5b0934b754746
sha256
45a1b7e7aa0db34201901ae5af926447b482e4f0c82363e6e4c28ac338f1d64e
sha512
94253109186ffad90eb1515a082b8df19dfe0d67f4fe86cdca9659f6c8552395cea371409f932e03b3218d4a5cab18bb7dd703737d7ef586b389fd970b4537c6
ripemd-160
578c868adb33daa1b2af1a890c7fe2e3089157a9
Diameter
162661546
Circumference
511016317.93516
Area
2.078067607664E+16
Volume
2.253477931701E+24
Surface area
8.312270430656E+16
Circumference
511016317.93516
Perimeter
325323092
Area
6614694636777529
Diagonal
115019082.21489
Surface area
39688167820665174
Volume
5.3797822796807E+23
Space diagonal
140869031.05485
Perimeter
243992319
Area
2.864246796863E+15
Altitude
70434515.527426
Surface area
2.864246796863E+15
Volume
6.3401342187824E+22
Height
38339694.071629