20198215 is an odd 8-digits composite number following 20198214
and preceding 20198216 . In scientific notation, it is written as 2.0198215 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 16142400 positive integers (up to 20198215) that are relatively prime to 20198215.
20198215 has 8 divisors, whose sum is 24262128
The reverse of 20198215 is 51289102
Previous prime number is 1801
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred ninety-eight thousand two hundred fifteen
Scientific notation
2.0198215 × 10^7
Engineering notation
2.0198215 × 10^6
Prime Factorization
5 × 1801 × 2243
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20198215
Product of the distinct prime numbers
The prime factorization of 20198215 is 5 × 1801 × 2243.
Since it has a total of 3 prime factors.
1 , 3 , 3 , 46 , 335 , 22 , 5441 , 4016 , 53570 , 78228 , 26395 , 727790 , 2191740 , 4853916 , 59941143 , 27570507 , 722841412 , 925600382 , 1368249829 , 4005314270
n×2
40396430
n×3
60594645
n×4
80792860
n×5
100991075
n÷2
10099107.5
n÷3
6732738.3333333
n÷3
5049553.75
n÷5
4039643
n2
407967889186225
n3
8.2402231388795E+21
n4
1.6643779860706E+29
n5
3.3617464403922E+36
2 √n
4494.2424278181
3 √n
272.33554591944
4 √n
67.039111180102
5 √n
28.910965679448
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
-20198214
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 20198215 can be divided by 8 positive divisors.
The sum of these divisors (counting 20198215) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000011001101000111
3
Ternary
1102000011202001
4
Quaternary
1031003031013
5
Quinary
20132320330
6
Senary
2000530131
8
Octal
115031507
10
Decimal
20198215
12
Duodecimal
6920947
16
Hexadecimal
1343347
20
Vigesimal
664faf
36
Base36
c0x1j
md5
b25e9cfcabf1f28473bd958545c3fc59
sha1
762787d0d4d1de1276073b561c9a3cc145d3f973
sha256
fc10de5f12f287bd8c59d450a0774d7f450692cf5a5c940dbc0ccdff139ed2dc
sha512
ec2bc079e2bb053e459e2dc6c486a5f45d7e09f4499e07e8a03b8796dcb389983d6cdc7118395050a886e7374edc347da18c2efaa4eaa2893bad03ff1e0c4e01
ripemd-160
0b8274cf5980f620aa9ef6a0cdd920ac4d349f12
Diameter
40396430
Circumference
126909127.71925
Area
1.281668923568E+15
Volume
3.4516565969393E+22
Surface area
5.1266756942719E+15
Circumference
126909127.71925
Perimeter
80792860
Area
407967889186225
Diagonal
28564589.588728
Surface area
2447807335117350
Volume
8.2402231388795E+21
Space diagonal
34984334.6022
Perimeter
60594645
Area
1.7665527798179E+14
Altitude
17492167.3011
Surface area
1.7665527798179E+14
Volume
9.7111960999867E+20
Height
9521529.8629092