81479079 is an odd 8-digits composite number following 81479078
and preceding 81479080 . In scientific notation, it is written as 8.1479079 × 10^7.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 46475520 positive integers (up to 81479079) that are relatively prime to 81479079.
81479079 has 8 divisors, whose sum is 87145200
The reverse of 81479079 is 97097418
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
eighty-one million four hundred seventy-nine thousand seventy-nine
Scientific notation
8.1479079 × 10^7
Engineering notation
8.1479079 × 10^6
Prime Factorization
99 × 17 × 48413
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81479079
Product of the distinct prime numbers
The prime factorization of 81479079 is 99 × 17 × 48413.
Since it has a total of 3 prime factors.
4 , 8 , 73 , 11 , 894 , 942 , 491 , 4537 , 24231 , 94895 , 769407 , 930212 , 5414998 , 5819834 , 19088441 , 27801104 , 757934169 , 359528217 , 7298207302 , 166081989
n×2
162958158
n×3
244437237
n×4
325916316
n×5
407395395
n÷2
40739539.5
n÷3
27159693
n÷3
20369769.75
n÷5
16295815.8
n2
6638840314688241
n3
5.4092659446887E+23
n4
4.407420072393E+31
n5
3.5911252826469E+39
2 √n
9026.576261241
3 √n
433.52622135983
4 √n
95.008295749587
5 √n
38.212831760737
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81479078
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81479079 can be divided by 8 positive divisors.
The sum of these divisors (counting 81479079) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110110110100010110100111
3
Ternary
12200022120021200
4
Quaternary
10312310112213
5
Quinary
131324312304
6
Senary
12030213543
8
Octal
466642647
10
Decimal
81479079
12
Duodecimal
233542b3
16
Hexadecimal
4db45a7
20
Vigesimal
1594hdj
36
Base36
1cidnr
md5
91e7a9353eeb7f39ac948d7b90095756
sha1
401d01e2e072d502f7e2270058ed1626a7ae492f
sha256
78ec98004e2a65e4a11889b7f880b7ab3a0c52414f0c6da20c30eb4035cbf200
sha512
bac919465e426c14bc0ecc9c84f8530eefc34704d24b0246ffc7daee0ed5a245c3b303fc325e89ce2fb735930ba7ec997c2d37c6b31e6ecf1e85e602e1f4e6d9
ripemd-160
2862b09680aa324f1c860285e5c640791a6be73e
Diameter
162958158
Circumference
511948152.01532
Area
2.085653196098E+16
Volume
2.2658280204197E+24
Surface area
8.3426127843921E+16
Circumference
511948152.01532
Perimeter
325916316
Area
6638840314688241
Diagonal
115228818.57147
Surface area
39833041888129446
Volume
5.4092659446887E+23
Space diagonal
141125904.58192
Perimeter
244437237
Area
2.8747021820941E+15
Altitude
70562952.290959
Surface area
2.8747021820941E+15
Volume
6.374881051218E+22
Height
38409606.19049