81489092 is an even 8-digits composite number following 81489091
and preceding 81489093 . In scientific notation, it is written as 8.1489092 × 10^7.
The sum of its digits is 41. It has a total of 5 prime factors and 24 positive divisors.
There are 36679808 positive integers (up to 81489092) that are relatively prime to 81489092.
81489092 has 24 divisors, whose sum is 157562496
The reverse of 81489092 is 29098418
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighty-one million four hundred eighty-nine thousand ninety-two
Scientific notation
8.1489092 × 10^7
Engineering notation
8.1489092 × 10^6
Prime Factorization
2 × 2 × 23 × 17 × 52103
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
40744546
Product of the distinct prime numbers
The prime factorization of 81489092 is 2 × 2 × 23 × 17 × 52103.
Since it has a total of 5 prime factors.
9 , 1 , 97 , 85 , 124 , 232 , 8465 , 2258 , 90617 , 32363 , 190973 , 932798 , 1922826 , 8734918 , 69485257 , 39924609 , 698049715 , 426494257 , 614853324 , 9624608566
n×2
162978184
n×3
244467276
n×4
325956368
n×5
407445460
n÷2
40744546
n÷3
27163030.666667
n÷3
20372273
n÷5
16297818.4
n2
6640472114984464
n3
5.411260431014E+23
n4
4.4095869909886E+31
n5
3.5933323999068E+39
2 √n
9027.1308841736
3 √n
433.54397937535
4 √n
95.011214517938
5 √n
38.213770912927
1 , 2 , 4 , 17 , 23 , 34 , 46 , 68 , 92 , 391 , 782 , 1564 , 52103 , 104206 , 208412 , 885751 , 1198369 , 1771502 , 2396738 , 3543004 , 4793476 , 20372273 , 40744546 , 81489092
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81489091
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81489092 can be divided by 24 positive divisors.
The sum of these divisors (counting 81489092) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110110110110110011000100
3
Ternary
12200100002000112
4
Quaternary
10312312303010
5
Quinary
131330122332
6
Senary
12030332152
8
Octal
466666304
10
Decimal
81489092
12
Duodecimal
2335a058
16
Hexadecimal
4db6cc4
20
Vigesimal
15962ec
36
Base36
1cildw
md5
3e872383a32be280dbf7c212102e2343
sha1
7134784ea2adeed5cc778b1ae7841070e13ed7ee
sha256
7d7b0d1aeea8dbee6489ccd4273ee88ccb9ded96237709a7733fd2d1a4c85835
sha512
26358946fee21db8a759aae98db9a9275a11b1452aed8b835f8f530043687b1f7942d62f01a562bbbf0199000a31b754f58b74464c7db0b48ea494750f9a0843
ripemd-160
904813e20bec9cd4af9ec90a321ed182aa2c9199
Diameter
162978184
Circumference
512011065.54981
Area
2.0861658412803E+16
Volume
2.266663468898E+24
Surface area
8.3446633651212E+16
Circumference
512011065.54981
Perimeter
325956368
Area
6640472114984464
Diagonal
115242979.09187
Surface area
39842832689906784
Volume
5.411260431014E+23
Space diagonal
141143247.60665
Perimeter
244467276
Area
2.8754087723494E+15
Altitude
70571623.803327
Surface area
2.8754087723494E+15
Volume
6.3772315758941E+22
Height
38414326.363956