81330792 is an even 8-digits composite number following 81330791
and preceding 81330793 . In scientific notation, it is written as 8.1330792 × 10^7.
The sum of its digits is 33. It has a total of 6 prime factors and 32 positive divisors.
There are 25239744 positive integers (up to 81330792) that are relatively prime to 81330792.
81330792 has 32 divisors, whose sum is 157852800
The reverse of 81330792 is 29703318
Previous prime number is 59
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
eighty-one million three hundred thirty thousand seven hundred ninety-two
Scientific notation
8.1330792 × 10^7
Engineering notation
8.1330792 × 10^6
Prime Factorization
2 × 2 × 2 × 57 × 59 × 3023
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
20332698
Product of the distinct prime numbers
The prime factorization of 81330792 is 2 × 2 × 2 × 57 × 59 × 3023.
Since it has a total of 6 prime factors.
4 , 4 , 55 , 28 , 21 , 885 , 1805 , 777 , 34341 , 12525 , 947245 , 549554 , 1522374 , 1246559 , 42206140 , 24099585 , 999671654 , 548169707 , 4133561207 , 1228480120
n×2
162661584
n×3
243992376
n×4
325323168
n×5
406653960
n÷2
40665396
n÷3
27110264
n÷3
20332698
n÷5
16266158.4
n2
6614697727347264
n3
5.3797860500575E+23
n4
4.3754226024173E+31
n5
3.558565855893E+39
2 √n
9018.3586089709
3 √n
433.26306447703
4 √n
94.96503887732
5 √n
38.198912615323
1 , 2 , 4 , 8 , 57 , 59 , 114 , 118 , 228 , 236 , 456 , 472 , 3023 , 3363 , 6046 , 6726 , 12092 , 13452 , 24184 , 26904 , 172311 , 178357 , 344622 , 356714 , 689244 , 713428 , 1378488 , 1426856 , 10166349 , 20332698 , 40665396 , 81330792
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81330791
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81330792 can be divided by 32 positive divisors.
The sum of these divisors (counting 81330792) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110110010000001001101000
3
Ternary
12200001000212120
4
Quaternary
10312100021220
5
Quinary
131310041132
6
Senary
12023111240
8
Octal
466201150
10
Decimal
81330792
12
Duodecimal
232a2520
16
Hexadecimal
4d90268
20
Vigesimal
15866jc
36
Base36
1cf78o
md5
727cdd4518ed51875a9c4dd7edb1deba
sha1
7f8f5fe976f0c272fae5797ddcd0a50f9709a451
sha256
327aeac8d115929a1bda0d89744199bac2c5c24ea7de58c6b12466d5de074a17
sha512
c32a0892f5dc9c7185b513d631559f50c1b34fc6c212cd48d5e2ed76ba40bce19d55e5b56544e114b191d54223b2ef03a6b4685d1c60319a3cc1eb06e56cc798
ripemd-160
bf6fc184fcb58338e389cd7502c4e31f98959ffa
Diameter
162661584
Circumference
511016437.31568
Area
2.0780685785951E+16
Volume
2.2534795110327E+24
Surface area
8.3122743143805E+16
Circumference
511016437.31568
Perimeter
325323168
Area
6614697727347264
Diagonal
115019109.08495
Surface area
39688186364083584
Volume
5.3797860500575E+23
Space diagonal
140869063.96382
Perimeter
243992376
Area
2.864248135119E+15
Altitude
70434531.981908
Surface area
2.864248135119E+15
Volume
6.3401386622141E+22
Height
38339703.028315