209918812 is an even 9-digits composite number following 209918811
and preceding 209918813 . In scientific notation, it is written as 2.09918812 × 10^8.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 103238640 positive integers (up to 209918812) that are relatively prime to 209918812.
209918812 has 12 divisors, whose sum is 373380616
The reverse of 209918812 is 218819902
Previous prime number is 61
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
two hundred nine million nine hundred eighteen thousand eight hundred twelve
Scientific notation
2.09918812 × 10^8
Engineering notation
2.09918812 × 10^6
Prime Factorization
2 × 2 × 61 × 860323
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
104959406
Product of the distinct prime numbers
The prime factorization of 209918812 is 2 × 2 × 61 × 860323.
Since it has a total of 4 prime factors.
2 , 10 , 33 , 80 , 639 , 248 , 2741 , 9752 , 86110 , 47106 , 453791 , 54418 , 7099508 , 5401799 , 41350751 , 70539007 , 211160735 , 939505362 , 1842858578 , 3707875711
n×2
419837624
n×3
629756436
n×4
839675248
n×5
1049594060
n÷2
104959406
n÷3
69972937.333333
n÷3
52479703
n÷5
41983762.4
n2
44065907631491344
n3
9.2502629797044E+24
n4
1.9418042153871E+33
n5
4.0762123403066E+41
2 √n
14488.575223258
3 √n
594.315586175
4 √n
120.36849763646
5 √n
46.175358079082
1 , 2 , 4 , 61 , 122 , 244 , 860323 , 1720646 , 3441292 , 52479703 , 104959406 , 209918812
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-209918811
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 209918812 can be divided by 12 positive divisors.
The sum of these divisors (counting 209918812) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1100100000110001101101011100
3
Ternary
112121222222110211
4
Quaternary
30200301231130
5
Quinary
412214400222
6
Senary
32455142204
8
Octal
1440615534
10
Decimal
209918812
12
Duodecimal
5a374964
16
Hexadecimal
c831b5c
20
Vigesimal
35bjh0c
36
Base36
3gzae4
md5
9e389262639e79db7712e5a9d6138bfc
sha1
e1e91a5ae7b7a73046bc50bc4a33437ffe024960
sha256
dd43dfc8c7d1acbbdfcdeaf95d0e515e1fffd107adf892bc144770f69a8403ba
sha512
e62c0d9a7ad0388ce4cc587b84d0e884973754bfd024c3371acf8216d98a34c08fb1608242ff09ee0354960c1faa5d66ff39ae12bced72f43903112db854c2bb
ripemd-160
b24b62b3e459ea2bb698958482419623ded07ac2
Diameter
419837624
Circumference
1318958795.259
Area
1.3843713168886E+17
Volume
3.8747410961084E+25
Surface area
5.5374852675544E+17
Circumference
1318958795.259
Perimeter
839675248
Area
44065907631491344
Diagonal
296870030.92765
Surface area
264395445788948064
Volume
9.2502629797044E+24
Space diagonal
363590047.8485
Perimeter
629756436
Area
1.9081097724845E+16
Altitude
181795023.92425
Surface area
1.9081097724845E+16
Volume
1.0901539467846E+24
Height
98956676.975883