218520105 is an odd 9-digits composite number following 218520104
and preceding 218520106 . In scientific notation, it is written as 2.18520105 × 10^8.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 116357120 positive integers (up to 218520105) that are relatively prime to 218520105.
218520105 has 16 divisors, whose sum is 350193024
The reverse of 218520105 is 501025812
Previous prime number is 641
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 24
Digital Root 6
Name
two hundred eighteen million five hundred twenty thousand one hundred five
Scientific notation
2.18520105 × 10^8
Engineering notation
2.18520105 × 10^6
Prime Factorization
3 × 5 × 641 × 22727
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
218520105
Product of the distinct prime numbers
The prime factorization of 218520105 is 3 × 5 × 641 × 22727.
Since it has a total of 4 prime factors.
5 , 8 , 80 , 74 , 152 , 482 , 4274 , 9240 , 14464 , 12018 , 729205 , 392385 , 9306910 , 6489211 , 74726480 , 30695968 , 682927725 , 226573504 , 8079991751 , 1204401606
n×2
437040210
n×3
655560315
n×4
874080420
n×5
1092600525
n÷2
109260052.5
n÷3
72840035
n÷3
54630026.25
n÷5
43704021
n2
47751036289211025
n3
1.0434561463777E+25
n4
2.2801614666935E+33
n5
4.9826112311883E+41
2 √n
14782.425545221
3 √n
602.32441409245
4 √n
121.58299858624
5 √n
46.547705731622
1 , 3 , 5 , 15 , 641 , 1923 , 3205 , 9615 , 22727 , 68181 , 113635 , 340905 , 14568007 , 43704021 , 72840035 , 218520105
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
-218520104
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 218520105 can be divided by 16 positive divisors.
The sum of these divisors (counting 218520105) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101000001100101101000101001
3
Ternary
120020011222020020
4
Quaternary
31001211220221
5
Quinary
421420120410
6
Senary
33403351053
8
Octal
1501455051
10
Decimal
218520105
12
Duodecimal
61222489
16
Hexadecimal
d065a29
20
Vigesimal
385f055
36
Base36
3m3n6x
md5
858ec425bd75c24540c2eb7c118e399d
sha1
067edda4f964a96b55a7c221be783e28e9396ac6
sha256
f2fabbf1aaabdce161a6804e2fa68953a69319505190e266e6c688c6c44b69c1
sha512
3bccf6dab37f0dd89a347c7e6c1c17d5bc01ca5493257769462345ca7ca3aae63b30609605c00b1de0b4f6198644bf0e8da81b6a0271b548b7d4c362379bf643
ripemd-160
312c0e74509127de110725874b3a4704b8815ce5
Diameter
437040210
Circumference
1373002313.0593
Area
1.5001430480748E+17
Volume
4.3708188850711E+25
Surface area
6.0005721922994E+17
Circumference
1373002313.0593
Perimeter
874080420
Area
47751036289211025
Diagonal
309034096.14219
Surface area
286506217735266150
Volume
1.0434561463777E+25
Space diagonal
378487924.33529
Perimeter
655560315
Area
2.0676805241745E+16
Altitude
189243962.16764
Surface area
2.0676805241745E+16
Volume
1.2297248616241E+24
Height
103011365.38073