81289596 is an even 8-digits composite number following 81289595
and preceding 81289597 . In scientific notation, it is written as 8.1289596 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 12 positive divisors.
There are 27096528 positive integers (up to 81289596) that are relatively prime to 81289596.
81289596 has 12 divisors, whose sum is 189675752
The reverse of 81289596 is 69598218
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
eighty-one million two hundred eighty-nine thousand five hundred ninety-six
Scientific notation
8.1289596 × 10^7
Engineering notation
8.1289596 × 10^6
Prime Factorization
2 × 2 × 3 × 6774133
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40644798
Product of the distinct prime numbers
The prime factorization of 81289596 is 2 × 2 × 3 × 6774133.
Since it has a total of 4 prime factors.
4 , 5 , 67 , 28 , 244 , 651 , 2516 , 7188 , 3049 , 79115 , 767364 , 806916 , 7851466 , 713750 , 33132999 , 29557683 , 598517569 , 160427933 , 6759160240 , 1402694305
n×2
162579192
n×3
243868788
n×4
325158384
n×5
406447980
n÷2
40644798
n÷3
27096532
n÷3
20322399
n÷5
16257919.2
n2
6607998417843216
n3
5.3716152175511E+23
n4
4.3665643090218E+31
n5
3.549562485884E+39
2 √n
9016.0743120274
3 √n
433.18989940547
4 √n
94.953011074043
5 √n
38.195042097657
1 , 2 , 3 , 4 , 6 , 12 , 6774133 , 13548266 , 20322399 , 27096532 , 40644798 , 81289596
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81289595
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81289596 can be divided by 12 positive divisors.
The sum of these divisors (counting 81289596) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110110000110000101111100
3
Ternary
12122221221100210
4
Quaternary
10312012011330
5
Quinary
131302231341
6
Senary
12022152420
8
Octal
466060574
10
Decimal
81289596
12
Duodecimal
23282710
16
Hexadecimal
4d8617c
20
Vigesimal
15813jg
36
Base36
1cebgc
md5
3ed0bcf643e090ef3c6011579ff79a99
sha1
27682b8169d06e3ffa9546fa3083fac89e6a2b41
sha256
bf0768b0c7964d79665dda896117b22abcb8e38fa41a2b1cd5ba5174f6b8ee94
sha512
901e5b78efe37354c79a78982925c66c9f7c6c1811bc01cdf10b8d2176229611e8138d15a98ff920e97cc1c8dee198fe46ed18c6fc09839a4b3ab0f2b9fa3dee
ripemd-160
d3dbafaba2560c91f96bb01f59c276258ac8f50e
Diameter
162579192
Circumference
510757595.21376
Area
2.0759639284429E+16
Volume
2.250056920716E+24
Surface area
8.3038557137717E+16
Circumference
510757595.21376
Perimeter
325158384
Area
6607998417843216
Diagonal
114960849.14303
Surface area
39647990507059296
Volume
5.3716152175511E+23
Space diagonal
140797710.39875
Perimeter
243868788
Area
2.8613472490098E+15
Altitude
70398855.199374
Surface area
2.8613472490098E+15
Volume
6.3305092437588E+22
Height
38320283.047677