81475498 is an even 8-digits composite number following 81475497
and preceding 81475499 . In scientific notation, it is written as 8.1475498 × 10^7.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 37604064 positive integers (up to 81475498) that are relatively prime to 81475498.
81475498 has 8 divisors, whose sum is 131614308
The reverse of 81475498 is 89457418
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
eighty-one million four hundred seventy-five thousand four hundred ninety-eight
Scientific notation
8.1475498 × 10^7
Engineering notation
8.1475498 × 10^6
Prime Factorization
2 × 13 × 3133673
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81475498
Product of the distinct prime numbers
The prime factorization of 81475498 is 2 × 13 × 3133673.
Since it has a total of 3 prime factors.
10 , 5 , 76 , 87 , 473 , 597 , 4541 , 7060 , 18991 , 29916 , 663439 , 518805 , 9579328 , 5356045 , 52422288 , 88231771 , 774736496 , 862914919 , 3645962982 , 8765233588
n×2
162950996
n×3
244426494
n×4
325901992
n×5
407377490
n÷2
40737749
n÷3
27158499.333333
n÷3
20368874.5
n÷5
16295099.6
n2
6638256774348004
n3
5.4085527654188E+23
n4
4.4066453002177E+31
n5
3.590336203446E+39
2 √n
9026.3779003541
3 √n
433.51987011743
4 √n
95.007251830342
5 √n
38.212495864558
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
-81475497
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 81475498 can be divided by 8 positive divisors.
The sum of these divisors (counting 81475498) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110110110011011110101010
3
Ternary
12200022101101001
4
Quaternary
10312303132222
5
Quinary
131324203443
6
Senary
12030145214
8
Octal
466633652
10
Decimal
81475498
12
Duodecimal
2335220a
16
Hexadecimal
4db37aa
20
Vigesimal
15948ei
36
Base36
1ciawa
md5
855c4c8c0244877c234682339f5253ff
sha1
a87bada2b14c98727fcdb39028a23280db44c7dc
sha256
07349cc332ac4a4f14a1d14bd9a81d0a6fb7d85232f790cc20d6a2235b89c223
sha512
49fb978c8136c57a2b7a4e74220c7224d089777772dc4632794fca4c6d26c39dabfff1105b9dc8567a4ef306aefa5d6cda943adf08e55f53e5255b9f2c427810
ripemd-160
2c0f42af04887f3c8d8545a62121863331efaa92
Diameter
162950996
Circumference
511925651.92874
Area
2.0854698714934E+16
Volume
2.2655292845856E+24
Surface area
8.3418794859737E+16
Circumference
511925651.92874
Perimeter
325901992
Area
6638256774348004
Diagonal
115223754.2727
Surface area
39829540646088024
Volume
5.4085527654188E+23
Space diagonal
141119702.10798
Perimeter
244426494
Area
2.8744495017148E+15
Altitude
70559851.053988
Surface area
2.8744495017148E+15
Volume
6.3740405613881E+22
Height
38407918.090901