218989845 is an odd 9-digits composite number following 218989844
and preceding 218989846 . In scientific notation, it is written as 2.18989845 × 10^8.
The sum of its digits is 54. It has a total of 5 prime factors and 32 positive divisors.
There are 115653312 positive integers (up to 218989845) that are relatively prime to 218989845.
218989845 has 32 divisors, whose sum is 393120000
The reverse of 218989845 is 548989812
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 54
Digital Root 9
Name
two hundred eighteen million nine hundred eighty-nine thousand eight hundred forty-five
Scientific notation
2.18989845 × 10^8
Engineering notation
2.18989845 × 10^6
Prime Factorization
9 × 3 × 5 × 103 × 15749
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
218989845
Product of the distinct prime numbers
The prime factorization of 218989845 is 9 × 3 × 5 × 103 × 15749.
Since it has a total of 5 prime factors.
7 , 2 , 81 , 91 , 747 , 126 , 3320 , 1444 , 97848 , 15376 , 743105 , 313684 , 1558695 , 3377060 , 35237179 , 90926372 , 283694569 , 94019698 , 2363950206 , 8450106582
n×2
437979690
n×3
656969535
n×4
875959380
n×5
1094949225
n÷2
109494922.5
n÷3
72996615
n÷3
54747461.25
n÷5
43797969
n2
47956552213124025
n3
1.0501997935886E+25
n4
2.2998309001701E+33
n5
5.0363961235446E+41
2 √n
14798.305477317
3 √n
602.75569916056
4 √n
121.64828596128
5 √n
46.567700727011
1 , 3 , 5 , 9 , 15 , 27 , 45 , 103 , 135 , 309 , 515 , 927 , 1545 , 2781 , 4635 , 13905 , 15749 , 47247 , 78745 , 141741 , 236235 , 425223 , 708705 , 1622147 , 2126115 , 4866441 , 8110735 , 14599323 , 24332205 , 43797969 , 72996615 , 218989845
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-218989844
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 218989845 can be divided by 32 positive divisors.
The sum of these divisors (counting 218989845) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101000011011000010100010101
3
Ternary
120021001211121000
4
Quaternary
31003120110111
5
Quinary
422030133340
6
Senary
33421413513
8
Octal
1503302425
10
Decimal
218989845
12
Duodecimal
6140a299
16
Hexadecimal
d0d8515
20
Vigesimal
388dec5
36
Base36
3mdpn9
md5
ebe413857159ddf33c9475289c10ba8e
sha1
b2d1494422af22effb9d7e23c2e6a7c4601c5300
sha256
b27d32d3aac8bb4304349c3064e7d9545cb2648f290d1b628d5df48b22132b4b
sha512
1c01da717cb7626bf6b5481c819f1ac2dddcd0138e6ac8afe8fe3c81505666c7ad3810a702354ce46b99b2a03a22062b67e445c0694cf0f5e42719d472811d72
ripemd-160
7a5761655d81a9bffa4dc1eb751e3bc5efe14aed
Diameter
437979690
Circumference
1375953776.5255
Area
1.5065995212425E+17
Volume
4.3990666084528E+25
Surface area
6.0263980849698E+17
Circumference
1375953776.5255
Perimeter
875959380
Area
47956552213124025
Diagonal
309698408.82098
Surface area
287739313278744150
Volume
1.0501997935886E+25
Space diagonal
379301537.88163
Perimeter
656969535
Area
2.076579624724E+16
Altitude
189650768.94082
Surface area
2.076579624724E+16
Volume
1.2376723260787E+24
Height
103232802.94033