209920784 is an even 9-digits composite number following 209920783
and preceding 209920785 . In scientific notation, it is written as 2.09920784 × 10^8.
The sum of its digits is 41. It has a total of 6 prime factors and 20 positive divisors.
There are 104870688 positive integers (up to 209920784) that are relatively prime to 209920784.
209920784 has 20 divisors, whose sum is 407069184
The reverse of 209920784 is 487029902
Previous prime number is 1327
Is Prime? no
Number parity even
Number length 9
Sum of Digits 41
Digital Root 5
Name
two hundred nine million nine hundred twenty thousand seven hundred eighty-four
Scientific notation
2.09920784 × 10^8
Engineering notation
2.09920784 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 1327 × 9887
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
26240098
Product of the distinct prime numbers
The prime factorization of 209920784 is 2 × 2 × 2 × 2 × 1327 × 9887.
Since it has a total of 6 prime factors.
9 , 4 , 45 , 82 , 383 , 421 , 2521 , 4719 , 4350 , 73658 , 326454 , 115718 , 9304905 , 4353706 , 34785697 , 29509048 , 235367175 , 568807064 , 1439078756 , 8018898171
n×2
419841568
n×3
629762352
n×4
839683136
n×5
1049603920
n÷2
104960392
n÷3
69973594.666667
n÷3
52480196
n÷5
41984156.8
n2
44066735555174656
n3
9.2505236760629E+24
n4
1.9418771824897E+33
n5
4.0764038057995E+41
2 √n
14488.643276718
3 √n
594.31744719079
4 √n
120.36878032413
5 √n
46.175444834016
1 , 2 , 4 , 8 , 16 , 1327 , 2654 , 5308 , 9887 , 10616 , 19774 , 21232 , 39548 , 79096 , 158192 , 13120049 , 26240098 , 52480196 , 104960392 , 209920784
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-209920783
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 209920784 can be divided by 20 positive divisors.
The sum of these divisors (counting 209920784) is 1, the average is 0.05.
Base
System
Value
2
Binary
1100100000110010001100010000
3
Ternary
112122000002011212
4
Quaternary
30200302030100
5
Quinary
412214431114
6
Senary
32455155252
8
Octal
1440621420
10
Decimal
209920784
12
Duodecimal
5a375b28
16
Hexadecimal
c832310
20
Vigesimal
35c01j4
36
Base36
3gzbww
md5
d42c84a2141844613732e0b3722101f3
sha1
bccd8fd9aa4f76cbf25903e1763c41740f863fd6
sha256
da8aec420cdbc3e43cf85091e5ea32f5d627195fc07f55d194e4d1bac2128fcf
sha512
68a082403bcf1887a172862e34b5415b5878d09a808c02d7b72ef3e00320243c0f3c125a351406b43a2afe0877849fed6564f3e5ceba08129afe73c4aea69220
ripemd-160
20c277aac76d141a78ec73a6f91d54e9752c7e8a
Diameter
419841568
Circumference
1318971185.7004
Area
1.3843973268782E+17
Volume
3.8748502963437E+25
Surface area
5.5375893075128E+17
Circumference
1318971185.7004
Perimeter
839683136
Area
44066735555174656
Diagonal
296872819.75679
Surface area
264400413331047936
Volume
9.2505236760629E+24
Space diagonal
363593463.45269
Perimeter
629762352
Area
1.9081456226316E+16
Altitude
181796731.72635
Surface area
1.9081456226316E+16
Volume
1.0901846701451E+24
Height
98957606.585598