181997234 is an even 9-digits composite number following 181997233
and preceding 181997235 . In scientific notation, it is written as 1.81997234 × 10^8.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 90998616 positive integers (up to 181997234) that are relatively prime to 181997234.
181997234 has 4 divisors, whose sum is 272995854
The reverse of 181997234 is 432799181
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred eighty-one million nine hundred ninety-seven thousand two hundred thirty-four
Scientific notation
1.81997234 × 10^8
Engineering notation
1.81997234 × 10^6
Prime Factorization
2 × 90998617
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
181997234
Product of the distinct prime numbers
The prime factorization of 181997234 is 2 × 90998617.
Since it has a total of 2 prime factors.
3 , 2 , 100 , 6 , 993 , 255 , 2014 , 9955 , 31515 , 85301 , 532864 , 485636 , 1329028 , 9432054 , 18195512 , 54026 , 898011066 , 404248654 , 6846931938 , 5195461733
n×2
363994468
n×3
545991702
n×4
727988936
n×5
909986170
n÷2
90998617
n÷3
60665744.666667
n÷3
45499308.5
n÷5
36399446.8
n2
33122993183650756
n3
6.0282931412253E+24
n4
1.0971326774442E+33
n5
1.9967511262585E+41
2 √n
13490.635048062
3 √n
566.70223990444
4 √n
116.14919305816
5 √n
44.87587788099
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
-181997233
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 181997234 can be divided by 4 positive divisors.
The sum of these divisors (counting 181997234) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010110110010000111010110010
3
Ternary
110200110102021022
4
Quaternary
22312100322302
5
Quinary
333042402414
6
Senary
30020455442
8
Octal
1266207262
10
Decimal
181997234
12
Duodecimal
50b4a582
16
Hexadecimal
ad90eb2
20
Vigesimal
2gh9d1e
36
Base36
30ctyq
md5
f31acc526afdca8ad33a79273ed87126
sha1
ff81ef12a59b4c2051f8557a2b97894f8af47fcb
sha256
bfed03beed87059517cf51db215d56ad970d661b2b380ee98623acdabee85406
sha512
e48ad883e6e4c4b7c7178ee78da0e01994a0e656941e1564f6bc4841e5fc450e6b5ce52f9afd394e98ae5857c2ab36882953bd8d2f9af528395863b9efbb43fb
ripemd-160
c89140440777a0998c58d07aa7e733d9353d034b
Diameter
363994468
Circumference
1143522346.6161
Area
1.0405895205066E+17
Volume
2.5251255261545E+25
Surface area
4.1623580820265E+17
Circumference
1143522346.6161
Perimeter
727988936
Area
33122993183650756
Diagonal
257382956.63719
Surface area
198737959101904536
Volume
6.0282931412253E+24
Space diagonal
315228456.125
Perimeter
545991702
Area
1.434267677321E+16
Altitude
157614228.0625
Surface area
1.434267677321E+16
Volume
7.1044115985679E+23
Height
85794318.879063