181835138 is an even 9-digits composite number following 181835137
and preceding 181835139 . In scientific notation, it is written as 1.81835138 × 10^8.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 90917568 positive integers (up to 181835138) that are relatively prime to 181835138.
181835138 has 4 divisors, whose sum is 272752710
The reverse of 181835138 is 831538181
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred eighty-one million eight hundred thirty-five thousand one hundred thirty-eight
Scientific notation
1.81835138 × 10^8
Engineering notation
1.81835138 × 10^6
Prime Factorization
2 × 90917569
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
181835138
Product of the distinct prime numbers
The prime factorization of 181835138 is 2 × 90917569.
Since it has a total of 2 prime factors.
4 , 2 , 45 , 82 , 161 , 328 , 3188 , 7841 , 23006 , 68523 , 160773 , 694579 , 9203300 , 7266259 , 73599301 , 39366787 , 946303971 , 430041353 , 3800281993 , 6817394172
n×2
363670276
n×3
545505414
n×4
727340552
n×5
909175690
n÷2
90917569
n÷3
60611712.666667
n÷3
45458784.5
n÷5
36367027.6
n2
33064017411479044
n3
6.0122001688507E+24
n4
1.0932292473866E+33
n5
1.9878749106418E+41
2 √n
13484.625986656
3 √n
566.5339453109
4 √n
116.12332232009
5 √n
44.86788128342
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
-181835137
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 181835138 can be divided by 4 positive divisors.
The sum of these divisors (counting 181835138) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010110101101001010110000010
3
Ternary
110200011011220202
4
Quaternary
22311221112002
5
Quinary
333022211023
6
Senary
30013205202
8
Octal
1265512602
10
Decimal
181835138
12
Duodecimal
50a90802
16
Hexadecimal
ad69582
20
Vigesimal
2gg97gi
36
Base36
309cw2
md5
82af0e371ac32471c76032625e6ab488
sha1
954daab57334ca8e13b79b81e01a999459a97546
sha256
b03cdb5047ef4b48b6e9364abda9ce6256d1b6d3c33b9b4ae1030d83a72ac1f9
sha512
56d4066d16110c6ff12c30daaab7789418515674a9b339e36a86e187f131b44d8490ac0e9119f9fd95d475ec748dd96499e81374fe3761ef428cddba74e194a3
ripemd-160
d3efb0e818a27028f6016d657a6f85d84d6627c7
Diameter
363670276
Circumference
1142503867.4106
Area
1.0387367419807E+17
Volume
2.5183845176497E+25
Surface area
4.1549469679227E+17
Circumference
1142503867.4106
Perimeter
727340552
Area
33064017411479044
Diagonal
257153718.27558
Surface area
198384104468874264
Volume
6.0122001688507E+24
Space diagonal
314947697.6173
Perimeter
545505414
Area
1.4317139514756E+16
Altitude
157473848.80865
Surface area
1.4317139514756E+16
Volume
7.0854458487421E+23
Height
85717906.091861