81475468 is an even 8-digits composite number following 81475467
and preceding 81475469 . In scientific notation, it is written as 8.1475468 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors.
There are 40626000 positive integers (up to 81475468) that are relatively prime to 81475468.
81475468 has 12 divisors, whose sum is 142973152
The reverse of 81475468 is 86457418
Previous prime number is 367
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
eighty-one million four hundred seventy-five thousand four hundred sixty-eight
Scientific notation
8.1475468 × 10^7
Engineering notation
8.1475468 × 10^6
Prime Factorization
2 × 2 × 367 × 55501
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40737734
Product of the distinct prime numbers
The prime factorization of 81475468 is 2 × 2 × 367 × 55501.
Since it has a total of 4 prime factors.
10 , 5 , 47 , 52 , 257 , 10 , 9338 , 4494 , 57404 , 84911 , 493575 , 678593 , 9319563 , 9316841 , 71970105 , 67775134 , 754862727 , 517534330 , 6101946708 , 780568757
n×2
162950936
n×3
244426404
n×4
325901872
n×5
407377340
n÷2
40737734
n÷3
27158489.333333
n÷3
20368867
n÷5
16295093.6
n2
6638251885819024
n3
5.4085467909899E+23
n4
4.406638809958E+31
n5
3.5903295934829E+39
2 √n
9026.3762385578
3 √n
433.51981690881
4 √n
95.007243084713
5 √n
38.212493050522
1 , 2 , 4 , 367 , 734 , 1468 , 55501 , 111002 , 222004 , 20368867 , 40737734 , 81475468
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
-81475467
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 81475468 can be divided by 12 positive divisors.
The sum of these divisors (counting 81475468) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110110110011011110001100
3
Ternary
12200022101022221
4
Quaternary
10312303132030
5
Quinary
131324203333
6
Senary
12030145124
8
Octal
466633614
10
Decimal
81475468
12
Duodecimal
233521a4
16
Hexadecimal
4db378c
20
Vigesimal
15948d8
36
Base36
1ciavg
md5
6465fe4a4c46170400f39f5d2eb2bbc1
sha1
275d05b841b89b84d5342e4ab37c5d6437546255
sha256
a565471541f38e8b0e4ae3addb1b0792aa8fc1897c2f9e5ea34c874c016c50d1
sha512
27c0cef73b6e00b3b205a078fc51c0f8a6794361c0eee6f71c34fdbc199f2f900d39b36cd96099b47eb6b2aacdf0ababc555f37277ef530831246b4c9b859253
ripemd-160
ff48e1159bf5cf02b8163e2844c604cebce977d7
Diameter
162950936
Circumference
511925463.43318
Area
2.0854683357168E+16
Volume
2.2655267820227E+24
Surface area
8.3418733428671E+16
Circumference
511925463.43318
Perimeter
325901872
Area
6638251885819024
Diagonal
115223711.8463
Surface area
39829511314914144
Volume
5.4085467909899E+23
Space diagonal
141119650.14645
Perimeter
244426404
Area
2.8744473849196E+15
Altitude
70559825.073226
Surface area
2.8744473849196E+15
Volume
6.3740335204561E+22
Height
38407903.948765