20212918 is an even 8-digits composite number following 20212917
and preceding 20212919 . In scientific notation, it is written as 2.0212918 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 8963200 positive integers (up to 20212918) that are relatively prime to 20212918.
20212918 has 16 divisors, whose sum is 33883920
The reverse of 20212918 is 81921202
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million two hundred twelve thousand nine hundred eighteen
Scientific notation
2.0212918 × 10^7
Engineering notation
2.0212918 × 10^6
Prime Factorization
2 × 11 × 41 × 22409
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20212918
Product of the distinct prime numbers
The prime factorization of 20212918 is 2 × 11 × 41 × 22409.
Since it has a total of 4 prime factors.
3 , 6 , 68 , 46 , 839 , 896 , 3595 , 3724 , 29307 , 50891 , 522788 , 918055 , 4100990 , 5520143 , 20388343 , 73498034 , 317352256 , 834362519 , 9728872323 , 8260412457
n×2
40425836
n×3
60638754
n×4
80851672
n×5
101064590
n÷2
10106459
n÷3
6737639.3333333
n÷3
5053229.5
n÷5
4042583.6
n2
408562054074724
n3
8.258231296924E+21
n4
1.6692295202976E+29
n5
3.3739999416954E+36
2 √n
4495.8778898008
3 √n
272.40161080582
4 √n
67.051307890308
5 √n
28.915173518712
1 , 2 , 11 , 22 , 41 , 82 , 451 , 902 , 22409 , 44818 , 246499 , 492998 , 918769 , 1837538 , 10106459 , 20212918
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
-20212917
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 20212918 can be divided by 16 positive divisors.
The sum of these divisors (counting 20212918) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000110110010110110
3
Ternary
1102000220220121
4
Quaternary
1031012302312
5
Quinary
20133303133
6
Senary
2001122154
8
Octal
115066266
10
Decimal
20212918
12
Duodecimal
692935a
16
Hexadecimal
1346cb6
20
Vigesimal
666c5i
36
Base36
c18dy
md5
53a73a9a0c82167b3d2c8761ed2e293e
sha1
abb875cfb05479c57b52aa058c368631783244db
sha256
84b4af33fea861cb1a0ee0863d273c8769180ac9124e3a01c93899f14e1aeb69
sha512
38120c7d8ebb10eb25e2985f8bb31842056e1f27ac218189aa65c047264c38f7515aa5dcf9b55cdecdf83d47f3d7b82ac4d1d5b1f7122aad16e39200f35b330e
ripemd-160
8a4960c350e4f7109930bb1963063ee7b13b51b9
Diameter
40425836
Circumference
127001509.39283
Area
1.2835355476167E+15
Volume
3.4591998365416E+22
Surface area
5.1341421904668E+15
Circumference
127001509.39283
Perimeter
80851672
Area
408562054074724
Diagonal
28585382.770735
Surface area
2451372324448344
Volume
8.258231296924E+21
Space diagonal
35009800.945223
Perimeter
60638754
Area
1.7691255892553E+14
Altitude
17504900.472612
Surface area
1.7691255892553E+14
Volume
9.7324189177699E+20
Height
9528460.9235784