218744138 is an even 9-digits composite number following 218744137
and preceding 218744139 . In scientific notation, it is written as 2.18744138 × 10^8.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 109335744 positive integers (up to 218744138) that are relatively prime to 218744138.
218744138 has 8 divisors, whose sum is 328225188
The reverse of 218744138 is 831447812
Previous prime number is 3313
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
two hundred eighteen million seven hundred forty-four thousand one hundred thirty-eight
Scientific notation
2.18744138 × 10^8
Engineering notation
2.18744138 × 10^6
Prime Factorization
2 × 3313 × 33013
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
218744138
Product of the distinct prime numbers
The prime factorization of 218744138 is 2 × 3313 × 33013.
Since it has a total of 3 prime factors.
2 , 6 , 54 , 97 , 714 , 666 , 1795 , 2803 , 35143 , 17310 , 543066 , 496457 , 5788697 , 2810449 , 48225224 , 67560770 , 791976406 , 272492041 , 3740607979 , 6817536448
n×2
437488276
n×3
656232414
n×4
874976552
n×5
1093720690
n÷2
109372069
n÷3
72914712.666667
n÷3
54686034.5
n÷5
43748827.6
n2
47848997909363044
n3
1.0466687801847E+25
n4
2.2895266009302E+33
n5
5.0082052274855E+41
2 √n
14790.001284652
3 √n
602.53018380375
4 √n
121.61414919594
5 √n
46.557246225173
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-218744137
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 218744138 can be divided by 8 positive divisors.
The sum of these divisors (counting 218744138) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101000010011100010101001010
3
Ternary
120020121100112202
4
Quaternary
31002130111022
5
Quinary
421444303023
6
Senary
33412240202
8
Octal
1502342512
10
Decimal
218744138
12
Duodecimal
61310062
16
Hexadecimal
d09c54a
20
Vigesimal
387306i
36
Base36
3m8g22
md5
49647e6a3d1f758a5c262086fdaa9baa
sha1
3cb85568f44831c504733d783c1ce909566d11a7
sha256
eed58951b455f293b7dfa25e160665a71f8cfcb773b3c7044c80a5bd26ba4588
sha512
5a59cbaf73c50d9ab11a8d12987fada1e3d0e0fd97125d115d5f21943f460318fbb2e1f5ce2924f6d1a9c5792c813483a26280463b66147a05e5684070120f90
ripemd-160
904cb8995670152b185ba5548148ac0cb7812297
Diameter
437488276
Circumference
1374409953.9133
Area
1.5032206031369E+17
Volume
4.3842759340936E+25
Surface area
6.0128824125475E+17
Circumference
1374409953.9133
Perimeter
874976552
Area
47848997909363044
Diagonal
309350926.64921
Surface area
287093987456178264
Volume
1.0466687801847E+25
Space diagonal
378875960.87386
Perimeter
656232414
Area
2.0719223867568E+16
Altitude
189437980.43693
Surface area
2.0719223867568E+16
Volume
1.2335109868748E+24
Height
103116975.54974