218389938 is an even 9-digits composite number following 218389937
and preceding 218389939 . In scientific notation, it is written as 2.18389938 × 10^8.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 67196880 positive integers (up to 218389938) that are relatively prime to 218389938.
218389938 has 16 divisors, whose sum is 470378496
The reverse of 218389938 is 839983812
Previous prime number is 13
Is Prime? no
Number parity even
Number length 9
Sum of Digits 51
Digital Root 6
Name
two hundred eighteen million three hundred eighty-nine thousand nine hundred thirty-eight
Scientific notation
2.18389938 × 10^8
Engineering notation
2.18389938 × 10^6
Prime Factorization
2 × 3 × 13 × 2799871
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
218389938
Product of the distinct prime numbers
The prime factorization of 218389938 is 2 × 3 × 13 × 2799871.
Since it has a total of 4 prime factors.
6 , 2 , 63 , 14 , 530 , 822 , 2631 , 5506 , 32552 , 13923 , 513156 , 396712 , 575690 , 5829157 , 18667974 , 62831439 , 791314485 , 573181132 , 8402913191 , 9784186168
n×2
436779876
n×3
655169814
n×4
873559752
n×5
1091949690
n÷2
109194969
n÷3
72796646
n÷3
54597484.5
n÷5
43677987.6
n2
47694165019643844
n3
1.0415925741602E+25
n4
2.274733376921E+33
n5
4.9677888115231E+41
2 √n
14778.02212747
3 √n
602.20479377241
4 √n
121.56488854711
5 √n
46.542158947356
1 , 2 , 3 , 6 , 13 , 26 , 39 , 78 , 2799871 , 5599742 , 8399613 , 16799226 , 36398323 , 72796646 , 109194969 , 218389938
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
-218389937
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 218389938 can be divided by 16 positive divisors.
The sum of these divisors (counting 218389938) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101000001000101110110110010
3
Ternary
120012221100200020
4
Quaternary
31001011312302
5
Quinary
421401434223
6
Senary
33400504310
8
Octal
1501056662
10
Decimal
218389938
12
Duodecimal
6117b096
16
Hexadecimal
d045db2
20
Vigesimal
384iegi
36
Base36
3m0ur6
md5
78452b7ba42beb24834e16d158910be8
sha1
604759849976768c1846a1761a730355753f1774
sha256
8979718df00b114da0d857dca03f36c9109bfbf83fcd6bf1c13fd56249b1632c
sha512
f4d937684f21b98013214a4f58d60020a3533713826a15945c7710c44d05660aad65b99dcaf269b5ba0323bd1e250d82b7694b62003479cfb43db885867bf4f6
ripemd-160
e4f361a8118cedd97099a6374f56a0a5d271b41f
Diameter
436779876
Circumference
1372184449.6775
Area
1.4983563844481E+17
Volume
4.3630127720204E+25
Surface area
5.9934255377925E+17
Circumference
1372184449.6775
Perimeter
873559752
Area
47694165019643844
Diagonal
308850012.20542
Surface area
286164990117863064
Volume
1.0415925741602E+25
Space diagonal
378262468.47782
Perimeter
655169814
Area
2.0652179259649E+16
Altitude
189131234.23891
Surface area
2.0652179259649E+16
Volume
1.2275286207037E+24
Height
102950004.06847