81489119 is an odd 8-digits composite number following 81489118
and preceding 81489120 . In scientific notation, it is written as 8.1489119 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 77200200 positive integers (up to 81489119) that are relatively prime to 81489119.
81489119 has 4 divisors, whose sum is 85778040
The reverse of 81489119 is 91198418
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighty-one million four hundred eighty-nine thousand one hundred nineteen
Scientific notation
8.1489119 × 10^7
Engineering notation
8.1489119 × 10^6
Prime Factorization
19 × 4288901
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81489119
Product of the distinct prime numbers
The prime factorization of 81489119 is 19 × 4288901.
Since it has a total of 2 prime factors.
2 , 6 , 51 , 1 , 523 , 674 , 3063 , 2654 , 93969 , 70918 , 961551 , 180233 , 4639326 , 5123481 , 42387303 , 24326761 , 738371814 , 398649815 , 7992697109 , 3425927672
n×2
162978238
n×3
244467357
n×4
325956476
n×5
407445595
n÷2
40744559.5
n÷3
27163039.666667
n÷3
20372279.75
n÷5
16297823.8
n2
6640476515396161
n3
5.4112658097982E+23
n4
4.4095928351528E+31
n5
3.5933383528531E+39
2 √n
9027.1323796652
3 √n
433.54402725777
4 √n
95.011222388017
5 √n
38.213773445221
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81489118
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81489119 can be divided by 4 positive divisors.
The sum of these divisors (counting 81489119) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110110110110110011011111
3
Ternary
12200100002001112
4
Quaternary
10312312303133
5
Quinary
131330122434
6
Senary
12030332235
8
Octal
466666337
10
Decimal
81489119
12
Duodecimal
2335a07b
16
Hexadecimal
4db6cdf
20
Vigesimal
15962fj
36
Base36
1cilen
md5
3c410af487ab484c0c26dd138dbca46d
sha1
4871d082a009d3663bb43650d4a29e4f364cbbc2
sha256
79cadc196a1f132a1dbab9cd16e8f12e4a0a55a578c25878ded3c8b442c40a52
sha512
0bb6733c5a1523ff6bd1cf01408787300720b9be1aa8091b0abe43d1e5d3a6149071e4c3dd678d838e3e994f862cd960248ae73b10afde5cb199ea1a9a20712f
ripemd-160
4bc9cc7014f1a17e4a3c4ed4dc1f77dec5a138f9
Diameter
162978238
Circumference
512011235.19581
Area
2.0861672237104E+16
Volume
2.2666657219578E+24
Surface area
8.3446688948417E+16
Circumference
512011235.19581
Perimeter
325956476
Area
6640476515396161
Diagonal
115243017.27564
Surface area
39842859092376966
Volume
5.4112658097982E+23
Space diagonal
141143294.37203
Perimeter
244467357
Area
2.8754106777835E+15
Altitude
70571647.186013
Surface area
2.8754106777835E+15
Volume
6.3772379148521E+22
Height
38414339.091878