20778243 is an odd 8-digits composite number following 20778242
and preceding 20778244 . In scientific notation, it is written as 2.0778243 × 10^7.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 13852160 positive integers (up to 20778243) that are relatively prime to 20778243.
20778243 has 4 divisors, whose sum is 27704328
The reverse of 20778243 is 34287702
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million seven hundred seventy-eight thousand two hundred forty-three
Scientific notation
2.0778243 × 10^7
Engineering notation
2.0778243 × 10^6
Prime Factorization
3 × 6926081
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20778243
Product of the distinct prime numbers
The prime factorization of 20778243 is 3 × 6926081.
Since it has a total of 2 prime factors.
7 , 10 , 73 , 64 , 56 , 968 , 4740 , 4860 , 44638 , 46956 , 151070 , 867581 , 3737141 , 9925579 , 89306340 , 78360521 , 313968964 , 200439842 , 8941443170 , 9944872860
n×2
41556486
n×3
62334729
n×4
83112972
n×5
103891215
n÷2
10389121.5
n÷3
6926081
n÷3
5194560.75
n÷5
4155648.6
n2
431735382167049
n3
8.9707026823648E+21
n4
1.8639544021493E+29
n5
3.8729697508777E+36
2 √n
4558.3158074008
3 √n
274.91785094466
4 √n
67.51530054292
5 √n
29.075136627134
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
-20778242
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 20778243 can be divided by 4 positive divisors.
The sum of these divisors (counting 20778243) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111010000110100000011
3
Ternary
1110002122101120
4
Quaternary
1033100310003
5
Quinary
20304400433
6
Senary
2021203323
8
Octal
117206403
10
Decimal
20778243
12
Duodecimal
6b60543
16
Hexadecimal
13d0d03
20
Vigesimal
69h5c3
36
Base36
cdclf
md5
a33cdcfbb20a08f0b4a4049af412d10e
sha1
116837671bf972443305d2132c3c77872c1edd6d
sha256
e707adc35313f84c14bb487d27b0670b004c8578cd5a925c678dcc69017c83a1
sha512
acf9f303949c028b828e5a86bfe8eaeeb4f291e9086aab4fbed62efdd03182fb7dac97117c397cccb99b98e6916ccbd078441b281c0f48cc36e2e103cad5b129
ripemd-160
c4854c0667bfe319a202c9186f725d82ff244aed
Diameter
41556486
Circumference
130553551.12661
Area
1.3563367049108E+15
Volume
3.7576391525941E+22
Surface area
5.4253468196431E+15
Circumference
130553551.12661
Perimeter
83112972
Area
431735382167049
Diagonal
29384873.052884
Surface area
2590412293002294
Volume
8.9707026823648E+21
Space diagonal
35988972.568012
Perimeter
62334729
Area
1.8694690433462E+14
Altitude
17994486.284006
Surface area
1.8694690433462E+14
Volume
1.0572074497848E+21
Height
9794957.6842946