85181812 is an even 8-digits composite number following 85181811
and preceding 85181813 . In scientific notation, it is written as 8.5181812 × 10^7.
The sum of its digits is 34. It has a total of 5 prime factors and 24 positive divisors.
There are 41647008 positive integers (up to 85181812) that are relatively prime to 85181812.
85181812 has 24 divisors, whose sum is 152391456
The reverse of 85181812 is 21818158
Previous prime number is 443
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty-five million one hundred eighty-one thousand eight hundred twelve
Scientific notation
8.5181812 × 10^7
Engineering notation
8.5181812 × 10^6
Prime Factorization
2 × 2 × 53 × 443 × 907
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
42590906
Product of the distinct prime numbers
The prime factorization of 85181812 is 2 × 2 × 53 × 443 × 907.
Since it has a total of 5 prime factors.
5 , 7 , 30 , 40 , 5 , 866 , 2944 , 168 , 30062 , 52480 , 650741 , 426888 , 8856832 , 3717055 , 28284553 , 32067203 , 184442187 , 139856765 , 2407926759 , 9908784081
n×2
170363624
n×3
255545436
n×4
340727248
n×5
425909060
n÷2
42590906
n÷3
28393937.333333
n÷3
21295453
n÷5
17036362.4
n2
7255941095603344
n3
6.1807421028876E+23
n4
5.2648681182865E+31
n5
4.4847100625668E+39
2 √n
9229.3993304007
3 √n
439.99623275011
4 √n
96.06976283098
5 √n
38.553993946678
1 , 2 , 4 , 53 , 106 , 212 , 443 , 886 , 907 , 1772 , 1814 , 3628 , 23479 , 46958 , 48071 , 93916 , 96142 , 192284 , 401801 , 803602 , 1607204 , 21295453 , 42590906 , 85181812
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
-85181811
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 85181812 can be divided by 24 positive divisors.
The sum of these divisors (counting 85181812) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
101000100111100010101110100
3
Ternary
12221021200110221
4
Quaternary
11010330111310
5
Quinary
133301304222
6
Senary
12241424124
8
Octal
504742564
10
Decimal
85181812
12
Duodecimal
2463b044
16
Hexadecimal
513c574
20
Vigesimal
16c7eac
36
Base36
1epqpg
md5
0013848b48844e71046895b71281ee0e
sha1
44c7e38fd4fda994f2647163c89eb6fe331468b5
sha256
d897dbd1c7df2fc59cbfb339917ff7240b824762babd1c02da16577fcc797f73
sha512
588b9a13618d37a789de9a8ca56f6c410613c2f81a20251497b96408b808437fc887b0e2189529ec96baf837db3bc8ba198eec4aba39468c723075220e961195
ripemd-160
f98fdeb26d4d8bedfbe837627f4207fdc779d568
Diameter
170363624
Circumference
535213109.59733
Area
2.2795211240828E+16
Volume
2.5889831978886E+24
Surface area
9.1180844963311E+16
Circumference
535213109.59733
Perimeter
340727248
Area
7255941095603344
Diagonal
120465273.79792
Surface area
43535646573620064
Volume
6.1807421028876E+23
Space diagonal
147539226.26478
Perimeter
255545436
Area
3.141914658578E+15
Altitude
73769613.13239
Surface area
3.141914658578E+15
Volume
7.2840744228617E+22
Height
40155091.265972