181541138 is an even 9-digits composite number following 181541137
and preceding 181541139 . In scientific notation, it is written as 1.81541138 × 10^8.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 90770568 positive integers (up to 181541138) that are relatively prime to 181541138.
181541138 has 4 divisors, whose sum is 272311710
The reverse of 181541138 is 831145181
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred eighty-one million five hundred forty-one thousand one hundred thirty-eight
Scientific notation
1.81541138 × 10^8
Engineering notation
1.81541138 × 10^6
Prime Factorization
2 × 90770569
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
181541138
Product of the distinct prime numbers
The prime factorization of 181541138 is 2 × 90770569.
Since it has a total of 2 prime factors.
8 , 2 , 22 , 52 , 446 , 382 , 4157 , 2900 , 52070 , 72602 , 636029 , 243095 , 7031676 , 1991912 , 82330262 , 74934450 , 598045388 , 419613908 , 6601056346 , 2799238474
n×2
363082276
n×3
544623414
n×4
726164552
n×5
907705690
n÷2
90770569
n÷3
60513712.666667
n÷3
45385284.5
n÷5
36308227.6
n2
32957184786335044
n3
5.9830848313876E+24
n4
1.0861760290406E+33
n5
1.9718563238036E+41
2 √n
13473.720273184
3 √n
566.22844728217
4 √n
116.07635535794
5 √n
44.853362971093
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-181541137
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 181541138 can be divided by 4 positive divisors.
The sum of these divisors (counting 181541138) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010110100100001100100010010
3
Ternary
110122121020121212
4
Quaternary
22310201210102
5
Quinary
332433304023
6
Senary
30003020122
8
Octal
1264414422
10
Decimal
181541138
12
Duodecimal
5096a642
16
Hexadecimal
ad21912
20
Vigesimal
2geccgi
36
Base36
30321e
md5
86743156d76c68756ad5b777947c8e8e
sha1
eb769c102ac22f4cc248b9c6944cae8eb0dbc60b
sha256
643897e062ef590d27e333a084fab79f059b17a10a6a95182904bce115909737
sha512
ff590691bc010895f4c147fa0924bd39ea86d1d0a073d8b2e643a340f65401b20af14f50c98f284f3872d8216c8b248e49c05e08f339461091a49db55473ada0
ripemd-160
1bff35f14188125c5e67a9ca97e7376b243d0385
Diameter
363082276
Circumference
1140656610.9303
Area
1.0353804960775E+17
Volume
2.5061887136122E+25
Surface area
4.1415219843101E+17
Circumference
1140656610.9303
Perimeter
726164552
Area
32957184786335044
Diagonal
256737939.48825
Surface area
197743108718010264
Volume
5.9830848313876E+24
Space diagonal
314438474.67987
Perimeter
544623414
Area
1.4270879631092E+16
Altitude
157219237.33994
Surface area
1.4270879631092E+16
Volume
7.0511330944808E+23
Height
85579313.162749