20388217 is an odd 8-digits composite number following 20388216
and preceding 20388218 . In scientific notation, it is written as 2.0388217 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 6 positive divisors.
There are 20039232 positive integers (up to 20388217) that are relatively prime to 20388217.
20388217 has 6 divisors, whose sum is 20743178
The reverse of 20388217 is 71288302
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million three hundred eighty-eight thousand two hundred seventeen
Scientific notation
2.0388217 × 10^7
Engineering notation
2.0388217 × 10^6
Prime Factorization
59 × 59 × 5857
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
345563
Product of the distinct prime numbers
The prime factorization of 20388217 is 59 × 59 × 5857.
Since it has a total of 3 prime factors.
2 , 3 , 7 , 37 , 648 , 418 , 335 , 6494 , 37003 , 86776 , 729115 , 135105 , 2263698 , 4167896 , 31192448 , 51298446 , 148985150 , 694033243 , 9147238326 , 1753915555
n×2
40776434
n×3
61164651
n×4
81552868
n×5
101941085
n÷2
10194108.5
n÷3
6796072.3333333
n÷3
5097054.25
n÷5
4077643.4
n2
415679392439089
n3
8.4749616554763E+21
n4
1.7278935729853E+29
n5
3.522866911893E+36
2 √n
4515.3313278208
3 √n
273.18682395562
4 √n
67.196215130175
5 √n
28.965154506432
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20388216
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20388217 can be divided by 6 positive divisors.
The sum of these divisors (counting 20388217) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001101110001100101111001
3
Ternary
1102100211101011
4
Quaternary
1031301211321
5
Quinary
20204410332
6
Senary
2004553521
8
Octal
115614571
10
Decimal
20388217
12
Duodecimal
69b28a1
16
Hexadecimal
1371979
20
Vigesimal
678aah
36
Base36
c4znd
md5
d2b23372e84d36f5b767d0b92ce589a9
sha1
ad122ff8150727f476a818091e0156087b7ad679
sha256
b70ceb18809263ed99a828027bff16b01046026eb4a99c0cc8f0f7f3a9025d9d
sha512
e125ac113219f40f9520eb2f6d2de4d72bf2c4a629144d16796be27641e78f29f7004b09e95c14b905394d0e52106f07d249df64e703f0aead39e2a3a054531c
ripemd-160
279ca3505a79f83b71488e5393c1ba84edacdbf1
Diameter
40776434
Circumference
128102945.49399
Area
1.3058953255353E+15
Volume
3.5499836368399E+22
Surface area
5.2235813021412E+15
Circumference
128102945.49399
Perimeter
81552868
Area
415679392439089
Diagonal
28833292.994006
Surface area
2494076354634534
Volume
8.4749616554763E+21
Space diagonal
35313427.71974
Perimeter
61164651
Area
1.7999445684097E+14
Altitude
17656713.85987
Surface area
1.7999445684097E+14
Volume
9.9878380948054E+20
Height
9611097.6646686