81330349 is an odd 8-digits composite number following 81330348
and preceding 81330350 . In scientific notation, it is written as 8.1330349 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 81236736 positive integers (up to 81330349) that are relatively prime to 81330349.
81330349 has 4 divisors, whose sum is 81423964
The reverse of 81330349 is 94303318
Previous prime number is 877
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighty-one million three hundred thirty thousand three hundred forty-nine
Scientific notation
8.1330349 × 10^7
Engineering notation
8.1330349 × 10^6
Prime Factorization
877 × 92737
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81330349
Product of the distinct prime numbers
The prime factorization of 81330349 is 877 × 92737.
Since it has a total of 2 prime factors.
1 , 7 , 70 , 15 , 553 , 199 , 3167 , 4259 , 41321 , 10354 , 949986 , 680517 , 7571140 , 9103039 , 65978515 , 50509873 , 370319599 , 949311956 , 2795073511 , 8012437867
n×2
162660698
n×3
243991047
n×4
325321396
n×5
406651745
n÷2
40665174.5
n÷3
27110116.333333
n÷3
20332587.25
n÷5
16266069.8
n2
6614625668461801
n3
5.3796981412036E+23
n4
4.3753272733874E+31
n5
3.5584689413381E+39
2 √n
9018.334047927
3 √n
433.26227782997
4 √n
94.96490956099
5 √n
38.198871002166
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81330348
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81330349 can be divided by 4 positive divisors.
The sum of these divisors (counting 81330349) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110110010000000010101101
3
Ternary
12200001000021011
4
Quaternary
10312100002231
5
Quinary
131310032344
6
Senary
12023105221
8
Octal
466200255
10
Decimal
81330349
12
Duodecimal
232a2211
16
Hexadecimal
4d900ad
20
Vigesimal
15865h9
36
Base36
1cf6wd
md5
437cc72cd5bae75a8860ff619b89ef68
sha1
d5c267170a1ca3d9c238459ce0391e8b177f7029
sha256
51a71b565cd8c665575d042efd435b444445429e5d4c429002125684150babc8
sha512
8b6452396fd9f04cbe7b57924ea79a39f5aa1f2e02be839bd4f2f54374f43f8f4e959e541354a4da4c7ced56bc2b91dcfbab0cfb7d8af645dbff5ca4cbc23c9c
ripemd-160
74127a2b5b180a677582ec704cb0cb3cf01a7d9f
Diameter
162660698
Circumference
511013653.86459
Area
2.0780459406286E+16
Volume
2.2534426878581E+24
Surface area
8.3121837625144E+16
Circumference
511013653.86459
Perimeter
325321396
Area
6614625668461801
Diagonal
115018482.58834
Surface area
39687754010770806
Volume
5.3796981412036E+23
Space diagonal
140868296.66531
Perimeter
243991047
Area
2.8642169327063E+15
Altitude
70434148.332654
Surface area
2.8642169327063E+15
Volume
6.3400350606362E+22
Height
38339494.196112