81852008 is an even 8-digits composite number following 81852007
and preceding 81852009 . In scientific notation, it is written as 8.1852008 × 10^7.
The sum of its digits is 32. It has a total of 6 prime factors and 32 positive divisors.
There are 32707584 positive integers (up to 81852008) that are relatively prime to 81852008.
81852008 has 32 divisors, whose sum is 156211200
The reverse of 81852008 is 80025818
Previous prime number is 127
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
eighty-one million eight hundred fifty-two thousand eight
Scientific notation
8.1852008 × 10^7
Engineering notation
8.1852008 × 10^6
Prime Factorization
2 × 2 × 2 × 119 × 127 × 677
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
20463002
Product of the distinct prime numbers
The prime factorization of 81852008 is 2 × 2 × 2 × 119 × 127 × 677.
Since it has a total of 6 prime factors.
1 , 10 , 26 , 34 , 689 , 853 , 1503 , 7683 , 95273 , 72781 , 222952 , 351441 , 221414 , 5670411 , 22947596 , 89305318 , 259791670 , 35299772 , 4925827814 , 6783755024
n×2
163704016
n×3
245556024
n×4
327408032
n×5
409260040
n÷2
40926004
n÷3
27284002.666667
n÷3
20463002
n÷5
16370401.6
n2
6699751213632064
n3
5.4838808993622E+23
n4
4.4886666324564E+31
n5
3.6740637710916E+39
2 √n
9047.2099566662
3 √n
434.18663000533
4 √n
95.11682267962
5 √n
38.247747851222
1 , 2 , 4 , 8 , 119 , 127 , 238 , 254 , 476 , 508 , 677 , 952 , 1016 , 1354 , 2708 , 5416 , 15113 , 30226 , 60452 , 80563 , 85979 , 120904 , 161126 , 171958 , 322252 , 343916 , 644504 , 687832 , 10231501 , 20463002 , 40926004 , 81852008
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
-81852007
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 81852008 can be divided by 32 positive divisors.
The sum of these divisors (counting 81852008) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100111000001111011001101000
3
Ternary
12201000111211212
4
Quaternary
10320033121220
5
Quinary
131423231013
6
Senary
12042212252
8
Octal
470173150
10
Decimal
81852008
12
Duodecimal
234b4088
16
Hexadecimal
4e0f668
20
Vigesimal
15bba08
36
Base36
1cqdew
md5
8fba75434fdd56ba5e21f8648eddcffe
sha1
500e7ba5075bf80e46261db12c8d6b408abe909b
sha256
aa72dfa303691322d9956a8a56cbf776b65c0590125fe3febf3dff6d7a9f1c20
sha512
655962d069cd651c715815d456b51c537f0967bd393514322121ab06e5203cd5edc2cee12ada9159bb3c89f76c19c2e7b0b8118bcfda9c0ac06ac4bf5db25a5f
ripemd-160
935ea0f458b217861e7ffc2ed1947327b9b11a3d
Diameter
163704016
Circumference
514291334.02875
Area
2.1047889193626E+16
Volume
2.2970826595464E+24
Surface area
8.4191556774503E+16
Circumference
514291334.02875
Perimeter
327408032
Area
6699751213632064
Diagonal
115756219.82107
Surface area
40198507281792384
Volume
5.4838808993622E+23
Space diagonal
141771836.55753
Perimeter
245556024
Area
2.9010773750205E+15
Altitude
70885918.278767
Surface area
2.9010773750205E+15
Volume
6.4628156185973E+22
Height
38585406.607024