81232008 is an even 8-digits composite number following 81232007
and preceding 81232009 . In scientific notation, it is written as 8.1232008 × 10^7.
The sum of its digits is 24. It has a total of 6 prime factors and 32 positive divisors.
There are 22721280 positive integers (up to 81232008) that are relatively prime to 81232008.
81232008 has 32 divisors, whose sum is 204508800
The reverse of 81232008 is 80023218
Previous prime number is 143
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
eighty-one million two hundred thirty-two thousand eight
Scientific notation
8.1232008 × 10^7
Engineering notation
8.1232008 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 143 × 23669
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
20308002
Product of the distinct prime numbers
The prime factorization of 81232008 is 2 × 2 × 2 × 3 × 143 × 23669.
Since it has a total of 6 prime factors.
3 , 4 , 4 , 36 , 795 , 845 , 6455 , 9400 , 73841 , 80444 , 896859 , 26462 , 8299296 , 3021309 , 4443047 , 22252050 , 783962503 , 29382985 , 6579933373 , 4864040329
n×2
162464016
n×3
243696024
n×4
324928032
n×5
406160040
n÷2
40616004
n÷3
27077336
n÷3
20308002
n÷5
16246401.6
n2
6598639123712064
n3
5.3602070608649E+23
n4
4.3542038284984E+31
n5
3.5370072023021E+39
2 √n
9012.8801168106
3 √n
433.08758031243
4 √n
94.936189710829
5 √n
38.189628859663
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 143 , 286 , 429 , 572 , 858 , 1144 , 1716 , 3432 , 23669 , 47338 , 71007 , 94676 , 142014 , 189352 , 284028 , 568056 , 3384667 , 6769334 , 10154001 , 13538668 , 20308002 , 27077336 , 40616004 , 81232008
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
-81232007
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 81232008 can be divided by 32 positive divisors.
The sum of these divisors (counting 81232008) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110101111000000010001000
3
Ternary
12122212000100220
4
Quaternary
10311320002020
5
Quinary
131243411013
6
Senary
12021030040
8
Octal
465700210
10
Decimal
81232008
12
Duodecimal
23255320
16
Hexadecimal
4d78088
20
Vigesimal
157e008
36
Base36
1cd30o
md5
7fa1f6018b3cf9c14b802438befa51a4
sha1
4c87010fe12097610ea1b5739afd5506f7fc11bc
sha256
fe45a25175548a379ce4351c8cfa0e0b47fb9fa9ac8964392220096f68a6e92e
sha512
0e0d61915b3d330d782575899e2fb03c9f768703e2943bb80bd34415df76c4ea78da0171ad9da300b6b8564e5bc97e9e1272de7605b6ad90f70827ec45117811
ripemd-160
63d766309e3770bef4e759d73c95cdc54618f83c
Diameter
162464016
Circumference
510395759.13829
Area
2.0730236194744E+16
Volume
2.2452782832178E+24
Surface area
8.2920944778976E+16
Circumference
510395759.13829
Perimeter
324928032
Area
6598639123712064
Diagonal
114879407.4124
Surface area
39591834742272384
Volume
5.3602070608649E+23
Space diagonal
140697965.05684
Perimeter
243696024
Area
2.8572945557703E+15
Altitude
70348982.528421
Surface area
2.8572945557703E+15
Volume
6.3170646021693E+22
Height
38293135.804133