81330522 is an even 8-digits composite number following 81330521
and preceding 81330523 . In scientific notation, it is written as 8.1330522 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 21449664 positive integers (up to 81330522) that are relatively prime to 81330522.
81330522 has 16 divisors, whose sum is 137637192
The reverse of 81330522 is 22503318
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
eighty-one million three hundred thirty thousand five hundred twenty-two
Scientific notation
8.1330522 × 10^7
Engineering notation
8.1330522 × 10^6
Prime Factorization
2 × 21 × 13 × 148957
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81330522
Product of the distinct prime numbers
The prime factorization of 81330522 is 2 × 21 × 13 × 148957.
Since it has a total of 4 prime factors.
10 , 7 , 27 , 40 , 237 , 407 , 9519 , 955 , 92026 , 74704 , 25702 , 212259 , 7230022 , 7827924 , 24882595 , 88650857 , 519100621 , 736143650 , 3176710822 , 4154804808
n×2
162661044
n×3
243991566
n×4
325322088
n×5
406652610
n÷2
40665261
n÷3
27110174
n÷3
20332630.5
n÷5
16266104.4
n2
6614653808792484
n3
5.3797324711838E+23
n4
4.3753645010173E+31
n5
3.5585067880801E+39
2 √n
9018.3436394939
3 √n
433.26258503108
4 √n
94.964960061561
5 √n
38.198887252924
1 , 2 , 13 , 21 , 26 , 42 , 273 , 546 , 148957 , 297914 , 1936441 , 3128097 , 3872882 , 6256194 , 40665261 , 81330522
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
-81330521
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 81330522 can be divided by 16 positive divisors.
The sum of these divisors (counting 81330522) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110110010000000101011010
3
Ternary
12200001000111120
4
Quaternary
10312100011122
5
Quinary
131310034042
6
Senary
12023110110
8
Octal
466200532
10
Decimal
81330522
12
Duodecimal
232a2336
16
Hexadecimal
4d9015a
20
Vigesimal
1586662
36
Base36
1cf716
md5
fb31f47d990540355eb4de2f7030df4a
sha1
2c4b74ae546b1ce01ef599081c69a535923ef6d4
sha256
28e4dbaac67df3b5ef244fdaf59c9630f09d1d36aad62a373e2dfaea566b6b48
sha512
983e4ed67da46085b8012da245293ec96bf734ea98080bbb307bf86b3edd445545d1725da3a3e17a25f000475e78689f755887485f4018e7ae75c83b4da22c83
ripemd-160
41bcffa4ca58006d3c9bac47cacdba170c89010a
Diameter
162661044
Circumference
511014740.85565
Area
2.0780547811742E+16
Volume
2.2534570679666E+24
Surface area
8.3122191246969E+16
Circumference
511014740.85565
Perimeter
325322088
Area
6614653808792484
Diagonal
115018727.24728
Surface area
39687922852754904
Volume
5.3797324711838E+23
Space diagonal
140868596.3101
Perimeter
243991566
Area
2.8642291178269E+15
Altitude
70434298.155049
Surface area
2.8642291178269E+15
Volume
6.3400755189059E+22
Height
38339575.749094