209091421 is an odd 9-digits composite number following 209091420
and preceding 209091422 . In scientific notation, it is written as 2.09091421 × 10^8.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 157308480 positive integers (up to 209091421) that are relatively prime to 209091421.
209091421 has 8 divisors, whose sum is 219112920
The reverse of 209091421 is 124190902
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
two hundred nine million ninety-one thousand four hundred twenty-one
Scientific notation
2.09091421 × 10^8
Engineering notation
2.09091421 × 10^6
Prime Factorization
77 × 29 × 93637
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
209091421
Product of the distinct prime numbers
The prime factorization of 209091421 is 77 × 29 × 93637.
Since it has a total of 3 prime factors.
4 , 4 , 91 , 63 , 478 , 993 , 7421 , 827 , 22851 , 22411 , 953500 , 982068 , 1150802 , 4224792 , 88041715 , 85315538 , 64245218 , 683413420 , 2427937567 , 4636610111
n×2
418182842
n×3
627274263
n×4
836365684
n×5
1045457105
n÷2
104545710.5
n÷3
69697140.333333
n÷3
52272855.25
n÷5
41818284.2
n2
43719222335799241
n3
9.1413143232072E+24
n4
1.911370401647E+33
n5
3.9965115333772E+41
2 √n
14459.99381051
3 √n
593.53373019491
4 √n
120.24971438848
5 √n
46.13890069634
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-209091420
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 209091421 can be divided by 8 positive divisors.
The sum of these divisors (counting 209091421) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100011101100111101101011101
3
Ternary
112120102221111201
4
Quaternary
30131213231131
5
Quinary
412011411141
6
Senary
32425315501
8
Octal
1435475535
10
Decimal
209091421
12
Duodecimal
5a035b91
16
Hexadecimal
c767b5d
20
Vigesimal
356g8b1
36
Base36
3ghjz1
md5
11f8e0fb41f75622618ed82564a5ead2
sha1
b605a86a917030405116f9556d2f9e929a3c3d07
sha256
e53c08a6082681c39ac3954d9d2358722093c95791c2747a40533ac5252413d3
sha512
80a567fc95ce114b5c552cbbfd8647f41d8eb647311ef2581f03291f509631933696388cf2a824f0c37929eec0f7fbf1c4defd84f4b2a0ad32f6a63b151fd9e7
ripemd-160
c49ded7f58808f067779acc60d6dd9045ed0a2e1
Diameter
418182842
Circumference
1313760144.2845
Area
1.3734798771081E+17
Volume
3.8291047895924E+25
Surface area
5.4939195084322E+17
Circumference
1313760144.2845
Perimeter
836365684
Area
43719222335799241
Diagonal
295699923.35406
Surface area
262315334014795446
Volume
9.1413143232072E+24
Space diagonal
362156964.59877
Perimeter
627274263
Area
1.8930978588251E+16
Altitude
181078482.29939
Surface area
1.8930978588251E+16
Volume
1.0773142244829E+24
Height
98566641.118021