202781421 is an odd 9-digits composite number following 202781420
and preceding 202781422 . In scientific notation, it is written as 2.02781421 × 10^8.
The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors.
There are 131410944 positive integers (up to 202781421) that are relatively prime to 202781421.
202781421 has 32 divisors, whose sum is 308880000
The reverse of 202781421 is 124187202
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 27
Digital Root 9
Name
two hundred two million seven hundred eighty-one thousand four hundred twenty-one
Scientific notation
2.02781421 × 10^8
Engineering notation
2.02781421 × 10^6
Prime Factorization
3 × 9 × 449 × 43 × 389
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
202781421
Product of the distinct prime numbers
The prime factorization of 202781421 is 3 × 9 × 449 × 43 × 389.
Since it has a total of 5 prime factors.
8 , 1 , 62 , 39 , 24 , 558 , 6665 , 6910 , 2934 , 15365 , 987177 , 884438 , 2802049 , 1319562 , 24110770 , 36052542 , 826007748 , 58378263 , 2305133197 , 5914014486
n×2
405562842
n×3
608344263
n×4
811125684
n×5
1013907105
n÷2
101390710.5
n÷3
67593807
n÷3
50695355.25
n÷5
40556284.2
n2
41120304702779241
n3
8.3384338195826E+24
n4
1.6908794588494E+33
n5
3.4287893940519E+41
2 √n
14240.134163694
3 √n
587.50205135846
4 √n
119.33203326724
5 √n
45.856999257422
1 , 3 , 9 , 27 , 43 , 129 , 387 , 389 , 449 , 1161 , 1167 , 1347 , 3501 , 4041 , 10503 , 12123 , 16727 , 19307 , 50181 , 57921 , 150543 , 173763 , 174661 , 451629 , 521289 , 523983 , 1571949 , 4715847 , 7510423 , 22531269 , 67593807 , 202781421
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-202781420
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 202781421 can be divided by 32 positive divisors.
The sum of these divisors (counting 202781421) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1100000101100011001011101101
3
Ternary
112010120100211000
4
Quaternary
30011203023231
5
Quinary
403403001141
6
Senary
32042150513
8
Octal
1405431355
10
Decimal
202781421
12
Duodecimal
57ab2439
16
Hexadecimal
c1632ed
20
Vigesimal
3377db1
36
Base36
3cqb59
md5
b8bad21692edc3e159b891899f580791
sha1
9c36583ca779ec2fc90e0f03a2c1036bba176eba
sha256
76b05259f92b7f4f9024bc76351417f0eb76d1d7f241a2283df9093bcd3d52bf
sha512
75a719ca55dd41ee73242a90f88a3767f618bc5e3c1207c3b3619bf3662c083ca3a65b6ebcf5422a1aeb8f59e3931a6fc2d00350b721ea6a98deb06cce389062
ripemd-160
28723279c714be70699e6d23f3488336d38d0076
Diameter
405562842
Circumference
1274113244.9962
Area
1.2918324716763E+17
Volume
3.4927949906727E+25
Surface area
5.167329886705E+17
Circumference
1274113244.9962
Perimeter
811125684
Area
41120304702779241
Diagonal
286776235.77549
Surface area
246721828216675446
Volume
8.3384338195826E+24
Space diagonal
351227724.00301
Perimeter
608344263
Area
1.7805614241982E+16
Altitude
175613862.00151
Surface area
1.7805614241982E+16
Volume
9.8269384971701E+23
Height
95592078.591829