181801085 is an odd 9-digits composite number following 181801084
and preceding 181801086 . In scientific notation, it is written as 1.81801085 × 10^8.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 138650688 positive integers (up to 181801085) that are relatively prime to 181801085.
181801085 has 16 divisors, whose sum is 228410496
The reverse of 181801085 is 580108181
Previous prime number is 317
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred eighty-one million eight hundred one thousand eighty-five
Scientific notation
1.81801085 × 10^8
Engineering notation
1.81801085 × 10^6
Prime Factorization
23 × 5 × 317 × 4987
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
181801085
Product of the distinct prime numbers
The prime factorization of 181801085 is 23 × 5 × 317 × 4987.
Since it has a total of 4 prime factors.
3 , 7 , 90 , 25 , 283 , 353 , 660 , 2877 , 30284 , 76918 , 138520 , 772052 , 7674271 , 5966985 , 96818191 , 34989032 , 133577840 , 734092142 , 9362938904 , 4557205274
n×2
363602170
n×3
545403255
n×4
727204340
n×5
909005425
n÷2
90900542.5
n÷3
60600361.666667
n÷3
45450271.25
n÷5
36360217
n2
33051634507177225
n3
6.0088230144283E+24
n4
1.092410543596E+33
n5
1.986014220912E+41
2 √n
13483.363267375
3 √n
566.49857740368
4 √n
116.11788521746
5 √n
44.866200639685
1 , 5 , 23 , 115 , 317 , 1585 , 4987 , 7291 , 24935 , 36455 , 114701 , 573505 , 1580879 , 7904395 , 36360217 , 181801085
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-181801084
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 181801085 can be divided by 16 positive divisors.
The sum of these divisors (counting 181801085) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010110101100001000001111101
3
Ternary
110200002110012112
4
Quaternary
22311201001331
5
Quinary
333020113320
6
Senary
30012343405
8
Octal
1265410175
10
Decimal
181801085
12
Duodecimal
50a74b65
16
Hexadecimal
ad6107d
20
Vigesimal
2gg52e5
36
Base36
308mm5
md5
edf1ea44e330a4560b383f9865e588ed
sha1
a7c291176c897ccbc7ccc0c158c4b4d490d1d063
sha256
9d012369307d62b690df50b407e06a8538c4db728aa5107f7cdc8bd439b26b71
sha512
68f3151ba785c5d1701e68efb57d3d96e9a5046f277293d5d41ac920140426f1b714c83629f12a470db3af95edf155f55855ea1e53e857104d66c484a072e2c2
ripemd-160
8db9ef0d6e281af961024b245c465d3e720b7a00
Diameter
363602170
Circumference
1142289906.1013
Area
1.0383477215688E+17
Volume
2.5169698985132E+25
Surface area
4.1533908862753E+17
Circumference
1142289906.1013
Perimeter
727204340
Area
33051634507177225
Diagonal
257105560.06114
Surface area
198309807043063350
Volume
6.0088230144283E+24
Space diagonal
314888716.09115
Perimeter
545403255
Area
1.4311777559907E+16
Altitude
157444358.04557
Surface area
1.4311777559907E+16
Volume
7.0814658340867E+23
Height
85701853.353715