81330350 is an even 8-digits composite number following 81330349
and preceding 81330351 . In scientific notation, it is written as 8.1330350 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors.
There are 32231520 positive integers (up to 81330350) that are relatively prime to 81330350.
81330350 has 16 divisors, whose sum is 128047920
The reverse of 81330350 is 05303318
Previous prime number is 109
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
eighty-one million three hundred thirty thousand three hundred fifty
Scientific notation
8.1330350 × 10^7
Engineering notation
8.1330350 × 10^6
Prime Factorization
2 × 25 × 109 × 14923
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81330350
Product of the distinct prime numbers
The prime factorization of 81330350 is 2 × 25 × 109 × 14923.
Since it has a total of 4 prime factors.
3 , 5 , 28 , 54 , 640 , 84 , 4567 , 1563 , 97508 , 86539 , 473124 , 239292 , 3483118 , 5226765 , 25309537 , 46234863 , 59039241 , 591738018 , 511561637 , 3885208509
n×2
162660700
n×3
243991050
n×4
325321400
n×5
406651750
n÷2
40665175
n÷3
27110116.666667
n÷3
20332587.5
n÷5
16266070
n2
6614625831122500
n3
5.3796983396423E+23
n4
4.3753274885753E+31
n5
3.5584691601045E+39
2 √n
9018.3341033696
3 √n
433.2622796057
4 √n
94.964909852901
5 √n
38.198871096101
1 , 2 , 25 , 50 , 109 , 218 , 2725 , 5450 , 14923 , 29846 , 373075 , 746150 , 1626607 , 3253214 , 40665175 , 81330350
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
-81330349
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 81330350 can be divided by 16 positive divisors.
The sum of these divisors (counting 81330350) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110110010000000010101110
3
Ternary
12200001000021012
4
Quaternary
10312100002232
5
Quinary
131310032400
6
Senary
12023105222
8
Octal
466200256
10
Decimal
81330350
12
Duodecimal
232a2212
16
Hexadecimal
4d900ae
20
Vigesimal
15865ha
36
Base36
1cf6we
md5
b0fe70199b70eb6fee5a246579973c22
sha1
857099c0106156d02da51141caf30f5a92121e81
sha256
119edf3f0d306c34f005f9a490b902f7d2a768326e67f556933694c7a9de0219
sha512
80baa83965493f7977052178dcfcf0308ed0b43c10b8588930ecf26fe616a49fe59616e50f7429df8dc5d1b4ddeb9da2faf6507313033a13888f82df3656aa6b
ripemd-160
0f2011d2d887938f8ba7a74dcea3e4e1e8558cf3
Diameter
162660700
Circumference
511013660.14777
Area
2.07804599173E+16
Volume
2.2534427709799E+24
Surface area
8.3121839669199E+16
Circumference
511013660.14777
Perimeter
325321400
Area
6614625831122500
Diagonal
115018484.00255
Surface area
39687754986735000
Volume
5.3796983396423E+23
Space diagonal
140868298.39736
Perimeter
243991050
Area
2.8642170031404E+15
Altitude
70434149.19868
Surface area
2.8642170031404E+15
Volume
6.3400352944985E+22
Height
38339494.667517