81296368 is an even 8-digits composite number following 81296367
and preceding 81296369 . In scientific notation, it is written as 8.1296368 × 10^7.
The sum of its digits is 43. It has a total of 5 prime factors and 10 positive divisors.
There are 40648176 positive integers (up to 81296368) that are relatively prime to 81296368.
81296368 has 10 divisors, whose sum is 157511744
The reverse of 81296368 is 86369218
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
eighty-one million two hundred ninety-six thousand three hundred sixty-eight
Scientific notation
8.1296368 × 10^7
Engineering notation
8.1296368 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5081023
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10162046
Product of the distinct prime numbers
The prime factorization of 81296368 is 2 × 2 × 2 × 2 × 5081023.
Since it has a total of 5 prime factors.
1 , 8 , 61 , 19 , 225 , 258 , 3373 , 7149 , 2158 , 25035 , 497563 , 900838 , 3674239 , 5202777 , 1934886 , 81345561 , 308527031 , 406878227 , 5090937148 , 2151783511
n×2
162592736
n×3
243889104
n×4
325185472
n×5
406481840
n÷2
40648184
n÷3
27098789.333333
n÷3
20324092
n÷5
16259273.6
n2
6609099449991424
n3
5.372957810351E+23
n4
4.3680195539877E+31
n5
3.5510412509218E+39
2 √n
9016.4498556805
3 √n
433.2019283353
4 √n
94.954988577117
5 √n
38.195678460043
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81296367
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81296368 can be divided by 10 positive divisors.
The sum of these divisors (counting 81296368) is 1, the average is 0.1.
Base
System
Value
2
Binary
100110110000111101111110000
3
Ternary
12122222021122121
4
Quaternary
10312013233300
5
Quinary
131302440433
6
Senary
12022244024
8
Octal
466075760
10
Decimal
81296368
12
Duodecimal
23286614
16
Hexadecimal
4d87bf0
20
Vigesimal
15820i8
36
Base36
1cegog
md5
071bb32e59f78b94a8910a61b0b25030
sha1
de6f395af9a05d152b7969611504a9f723256a71
sha256
72d11637d4a57929509e80a50e28684b8eb63c03f6aeb47725638586e62e28e0
sha512
07fea37efb1616860843eaf294fffc44bc43f15a5c3ae709e4e5e8e1d03dff87a504ae481fef30fdfda703effcaa1463d0a9d27c0e9ca5789ced8aad3fc00d0a
ripemd-160
49b280cac6714b64d1907cf348c7dfd4ef931872
Diameter
162592736
Circumference
510800144.94466
Area
2.0763098278937E+16
Volume
2.2506193046729E+24
Surface area
8.305239311575E+16
Circumference
510800144.94466
Perimeter
325185472
Area
6609099449991424
Diagonal
114970426.19727
Surface area
39654596699948544
Volume
5.372957810351E+23
Space diagonal
140809439.84682
Perimeter
243889104
Area
2.8618240099152E+15
Altitude
70404719.923408
Surface area
2.8618240099152E+15
Volume
6.3320915045474E+22
Height
38323475.399091