20998217 is an odd 8-digits composite number following 20998216
and preceding 20998218 . In scientific notation, it is written as 2.0998217 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 20947920 positive integers (up to 20998217) that are relatively prime to 20998217.
20998217 has 4 divisors, whose sum is 21048516
The reverse of 20998217 is 71289902
Previous prime number is 421
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million nine hundred ninety-eight thousand two hundred seventeen
Scientific notation
2.0998217 × 10^7
Engineering notation
2.0998217 × 10^6
Prime Factorization
421 × 49877
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20998217
Product of the distinct prime numbers
The prime factorization of 20998217 is 421 × 49877.
Since it has a total of 2 prime factors.
10 , 8 , 19 , 34 , 13 , 393 , 378 , 3834 , 1879 , 1879 , 199685 , 628407 , 7364981 , 1007053 , 63115122 , 34906332 , 526343332 , 313480404 , 3002132286 , 9589049754
n×2
41996434
n×3
62994651
n×4
83992868
n×5
104991085
n÷2
10499108.5
n÷3
6999405.6666667
n÷3
5249554.25
n÷5
4199643.4
n2
440925117179089
n3
9.2586412912769E+21
n4
1.9441495895939E+29
n5
4.0823674962754E+36
2 √n
4582.3811495771
3 √n
275.88460922377
4 √n
67.69328733026
5 √n
29.136439796059
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20998216
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20998217 can be divided by 4 positive divisors.
The sum of these divisors (counting 20998217) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000000110100001001001
3
Ternary
1110111211010202
4
Quaternary
1100012201021
5
Quinary
20333420332
6
Senary
2030021545
8
Octal
120064111
10
Decimal
20998217
12
Duodecimal
70478b5
16
Hexadecimal
1406849
20
Vigesimal
6b4fah
36
Base36
ci2bt
md5
f6d9a3888d14eee44ccbdcc51daf060c
sha1
4b62583e559b631afdacca5771cdf369e8156ce2
sha256
fd700ca330608ba4b1e1c488d65d5727bc43216ae44095aea7ac8f4efc1ee459
sha512
27aced0763cc417fb710b35976a4eac822c97cb7e0167a1391d2c1e78216c4b5b5b046d3c5ab6511184bfd741bc012ab3bfeb2c8e8ff4be499e0cdb5849b1574
ripemd-160
a2b7d051eddf14fba978383aa2881e4cc287773a
Diameter
41996434
Circumference
131935688.53137
Area
1.385207108913E+15
Volume
3.8782505950532E+22
Surface area
5.5408284356522E+15
Circumference
131935688.53137
Perimeter
83992868
Area
440925117179089
Diagonal
29695963.267053
Surface area
2645550703074534
Volume
9.2586412912769E+21
Space diagonal
36369978.712357
Perimeter
62994651
Area
1.9092617632186E+14
Altitude
18184989.356178
Surface area
1.9092617632186E+14
Volume
1.0911413402726E+21
Height
9898654.4223511