81475360 is an even 8-digits composite number following 81475359
and preceding 81475361 . In scientific notation, it is written as 8.1475360 × 10^7.
The sum of its digits is 34. It has a total of 7 prime factors and 24 positive divisors.
There are 32590080 positive integers (up to 81475360) that are relatively prime to 81475360.
81475360 has 24 divisors, whose sum is 192485916
The reverse of 81475360 is 06357418
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty-one million four hundred seventy-five thousand three hundred sixty
Scientific notation
8.1475360 × 10^7
Engineering notation
8.1475360 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 5 × 509221
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
5092210
Product of the distinct prime numbers
The prime factorization of 81475360 is 2 × 2 × 2 × 2 × 2 × 5 × 509221.
Since it has a total of 7 prime factors.
3 , 8 , 62 , 43 , 47 , 853 , 6247 , 8842 , 56419 , 52296 , 730588 , 166957 , 1358035 , 6538999 , 28299830 , 8669319 , 773176174 , 630236318 , 7222883687 , 7313483329
n×2
162950720
n×3
244426080
n×4
325901440
n×5
407376800
n÷2
40737680
n÷3
27158453.333333
n÷3
20368840
n÷5
16295072
n2
6638234287129600
n3
5.4085252830823E+23
n4
4.4066154450823E+31
n5
3.5903057976964E+39
2 √n
9026.3702560885
3 √n
433.51962535765
4 √n
95.007211600428
5 √n
38.212482919984
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 32 , 40 , 80 , 160 , 509221 , 1018442 , 2036884 , 2546105 , 4073768 , 5092210 , 8147536 , 10184420 , 16295072 , 20368840 , 40737680 , 81475360
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
-81475359
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 81475360 can be divided by 24 positive divisors.
The sum of these divisors (counting 81475360) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110110110011011100100000
3
Ternary
12200022101011221
4
Quaternary
10312303130200
5
Quinary
131324202420
6
Senary
12030144424
8
Octal
466633440
10
Decimal
81475360
12
Duodecimal
23352114
16
Hexadecimal
4db3720
20
Vigesimal
1594880
36
Base36
1ciasg
md5
bc98dc4fb1ddf8cc6e2e3aaa9c616135
sha1
24f073198279512949d7c42c4503a8839e9b6ef4
sha256
c6792575cd8a17b8c2f40d5eac979dfc9f2c2d7763461cb38ce91e5b5c3ba5e2
sha512
286afa2598357df0286d05b873f5ec8ddfc07d8a1cc8e076f32576256ae6ad46e889729bdaac4206f4c89b8890435299c2813bb8d9cdbf2674269f63b79c36a6
ripemd-160
6b905211017cf594ce2f772f140b65cc375742dc
Diameter
162950720
Circumference
511924784.84917
Area
2.0854628069254E+16
Volume
2.2655177728115E+24
Surface area
8.3418512277017E+16
Circumference
511924784.84917
Perimeter
325901440
Area
6638234287129600
Diagonal
115223559.11123
Surface area
39829405722777600
Volume
5.4085252830823E+23
Space diagonal
141119463.08496
Perimeter
244426080
Area
2.8744397644636E+15
Altitude
70559731.542482
Surface area
2.8744397644636E+15
Volume
6.3740081731439E+22
Height
38407853.037077