209901894 is an even 9-digits composite number following 209901893
and preceding 209901895 . In scientific notation, it is written as 2.09901894 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 69081480 positive integers (up to 209901894) that are relatively prime to 209901894.
209901894 has 16 divisors, whose sum is 425118720
The reverse of 209901894 is 498109902
Previous prime number is 79
Is Prime? no
Number parity even
Number length 9
Sum of Digits 42
Digital Root 6
Name
two hundred nine million nine hundred one thousand eight hundred ninety-four
Scientific notation
2.09901894 × 10^8
Engineering notation
2.09901894 × 10^6
Prime Factorization
2 × 3 × 79 × 442831
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
209901894
Product of the distinct prime numbers
The prime factorization of 209901894 is 2 × 3 × 79 × 442831.
Since it has a total of 4 prime factors.
6 , 10 , 3 , 70 , 815 , 152 , 4478 , 6539 , 82765 , 341 , 175716 , 393092 , 2213275 , 1700197 , 66780055 , 24164408 , 297955337 , 523564724 , 5213837668 , 8874662784
n×2
419803788
n×3
629705682
n×4
839607576
n×5
1049509470
n÷2
104950947
n÷3
69967298
n÷3
52475473.5
n÷5
41980378.8
n2
44058805104787236
n3
9.2480266388717E+24
n4
1.9411783072616E+33
n5
4.0745700328593E+41
2 √n
14487.991372168
3 √n
594.29961984162
4 √n
120.36607234669
5 √n
46.17461377238
1 , 2 , 3 , 6 , 79 , 158 , 237 , 474 , 442831 , 885662 , 1328493 , 2656986 , 34983649 , 69967298 , 104950947 , 209901894
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-209901893
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 209901894 can be divided by 16 positive divisors.
The sum of these divisors (counting 209901894) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100100000101101100101000110
3
Ternary
112121222010021020
4
Quaternary
30200231211012
5
Quinary
412213330034
6
Senary
32454532010
8
Octal
1440554506
10
Decimal
209901894
12
Duodecimal
5a367006
16
Hexadecimal
c82d946
20
Vigesimal
35bheee
36
Base36
3gyxc6
md5
55640a96041352f5132a69183da3215f
sha1
e78d6acdf3aaf5c958bf3032974dba0e56e117b7
sha256
a793d4f08d624d44cdf47f4a83dd1c400de74f7f82152c7cbb555a9c86dfdb58
sha512
f2ffbcf4e2b19936120999ea089b8dd01924c3c724006b810e444d904fae3c95759b10afc35e458a5b452524f70f4e1f6a24ee3a408f8296bf6386b3d7cc070a
ripemd-160
d0c7819f4fe2f2138d86b371ce0ff6c12fadeaf0
Diameter
419803788
Circumference
1318852496.33
Area
1.3841481844314E+17
Volume
3.8738043398509E+25
Surface area
5.5365927377258E+17
Circumference
1318852496.33
Perimeter
839607576
Area
44058805104787236
Diagonal
296846105.2626
Surface area
264352830628723416
Volume
9.2480266388717E+24
Space diagonal
363560745.01294
Perimeter
629705682
Area
1.9078022240567E+16
Altitude
181780372.50647
Surface area
1.9078022240567E+16
Volume
1.08989039149E+24
Height
98948701.7542