218389639 is an odd 9-digits composite number following 218389638
and preceding 218389640 . In scientific notation, it is written as 2.18389639 × 10^8.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 200253600 positive integers (up to 218389639) that are relatively prime to 218389639.
218389639 has 8 divisors, whose sum is 236748512
The reverse of 218389639 is 936983812
Previous prime number is 151
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
two hundred eighteen million three hundred eighty-nine thousand six hundred thirty-nine
Scientific notation
2.18389639 × 10^8
Engineering notation
2.18389639 × 10^6
Prime Factorization
13 × 151 × 111253
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
218389639
Product of the distinct prime numbers
The prime factorization of 218389639 is 13 × 151 × 111253.
Since it has a total of 3 prime factors.
7 , 7 , 30 , 66 , 139 , 858 , 886 , 3436 , 72633 , 93455 , 89405 , 511549 , 5497471 , 2506562 , 4012757 , 50263010 , 646406562 , 461071291 , 9553594199 , 12065741
n×2
436779278
n×3
655168917
n×4
873558556
n×5
1091948195
n÷2
109194819.5
n÷3
72796546.333333
n÷3
54597409.75
n÷5
43677927.8
n2
47694034422550321
n3
1.0415882959994E+25
n4
2.2747209194994E+33
n5
4.9677548043523E+41
2 √n
14778.012011093
3 √n
602.20451894394
4 √n
121.56484693814
5 √n
46.542146203075
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
-218389638
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 218389639 can be divided by 8 positive divisors.
The sum of these divisors (counting 218389639) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101000001000101110010000111
3
Ternary
120012221100021011
4
Quaternary
31001011302013
5
Quinary
421401432024
6
Senary
33400503051
8
Octal
1501056207
10
Decimal
218389639
12
Duodecimal
6117aa87
16
Hexadecimal
d045c87
20
Vigesimal
384ie1j
36
Base36
3m0uiv
md5
068d4d97a48f16ad96f9b950a7dc5dc5
sha1
04aa90b53d43f3016b380100b9546f18d9524d44
sha256
af75e9555061622155ab4e312c34060825d46e99139bcb508a089fc45d953a16
sha512
6b7533e93fd737991831b96f99ceb7465fe1e65d281feaf46cbe7c933a5d0f07aea0987eefa28913ab255685653c49140e425e500159bca581a0e8d6e8d77c2e
ripemd-160
6130959ba7d569b4e115703ed0476e8debc5fdd6
Diameter
436779278
Circumference
1372182571.0051
Area
1.4983522816194E+17
Volume
4.3629948517026E+25
Surface area
5.9934091264777E+17
Circumference
1372182571.0051
Perimeter
873558556
Area
47694034422550321
Diagonal
308849589.35556
Surface area
286164206535301926
Volume
1.0415882959994E+25
Space diagonal
378261950.59463
Perimeter
655168917
Area
2.0652122709449E+16
Altitude
189130975.29731
Surface area
2.0652122709449E+16
Volume
1.2275235788429E+24
Height
102949863.11852