81402024 is an even 8-digits composite number following 81402023
and preceding 81402025 . In scientific notation, it is written as 8.1402024 × 10^7.
The sum of its digits is 21. It has a total of 6 prime factors and 32 positive divisors.
There are 24666400 positive integers (up to 81402024) that are relatively prime to 81402024.
81402024 has 32 divisors, whose sum is 205194240
The reverse of 81402024 is 42020418
Previous prime number is 121
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
eighty-one million four hundred two thousand twenty-four
Scientific notation
8.1402024 × 10^7
Engineering notation
8.1402024 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 121 × 28031
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
20350506
Product of the distinct prime numbers
The prime factorization of 81402024 is 2 × 2 × 2 × 3 × 121 × 28031.
Since it has a total of 6 prime factors.
5 , 5 , 22 , 75 , 260 , 183 , 1165 , 294 , 24530 , 63494 , 370894 , 28962 , 868256 , 7709756 , 20570143 , 5340450 , 949203062 , 854310738 , 9291994111 , 5698444505
n×2
162804048
n×3
244206072
n×4
325608096
n×5
407010120
n÷2
40701012
n÷3
27134008
n÷3
20350506
n÷5
16280404.8
n2
6626289511296576
n3
5.3939337782951E+23
n4
4.3907712687519E+31
n5
3.5741766819745E+39
2 √n
9022.3070220426
3 √n
433.38951592391
4 √n
94.98582537433
5 √n
38.20560142808
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 121 , 242 , 363 , 484 , 726 , 968 , 1452 , 2904 , 28031 , 56062 , 84093 , 112124 , 168186 , 224248 , 336372 , 672744 , 3391751 , 6783502 , 10175253 , 13567004 , 20350506 , 27134008 , 40701012 , 81402024
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81402023
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81402024 can be divided by 32 positive divisors.
The sum of these divisors (counting 81402024) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110110100001100010101000
3
Ternary
12200011122120210
4
Quaternary
10312201202220
5
Quinary
131314331044
6
Senary
12024421120
8
Octal
466414250
10
Decimal
81402024
12
Duodecimal
233177a0
16
Hexadecimal
4da18a8
20
Vigesimal
158f514
36
Base36
1cgq7c
md5
8671ad46f428241826aef9369c37c3b9
sha1
68eabb11af9502bd5df7054d03651d28f1624f00
sha256
981a630177457c1cc42983ee3e21ea699e98bb70649078e7039052b49bdeeb3f
sha512
d09d4926f00309d7f729c7cbfa50fb5a9d35f8cca3190c53f6732070c896e7c14c5df619c779fa916ad188eedb1655c6c179f4ce5a22ccf6eafedbae8aba9fcf
ripemd-160
9fcd1a81791e5991aa2cbb9a60a153b5c790ad49
Diameter
162804048
Circumference
511464001.17148
Area
2.0817102449248E+16
Volume
2.2594056975789E+24
Surface area
8.3268409796994E+16
Circumference
511464001.17148
Perimeter
325608096
Area
6626289511296576
Diagonal
115119846.34542
Surface area
39757737067779456
Volume
5.3939337782951E+23
Space diagonal
140992441.40694
Perimeter
244206072
Area
2.8692675248066E+15
Altitude
70496220.703471
Surface area
2.8692675248066E+15
Volume
6.3568119198394E+22
Height
38373282.11514