421285 is an odd 6-digits composite number following 421284
and preceding 421286 . In scientific notation, it is written as 4.21285 × 10^5.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 333504 positive integers (up to 421285) that are relatively prime to 421285.
421285 has 8 divisors, whose sum is 510840
The reverse of 421285 is 582124
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 22
Digital Root 4
Name
four hundred twenty-one thousand two hundred eighty-five
Scientific notation
4.21285 × 10^5
Engineering notation
4.21285 × 10^3
Prime Factorization
5 × 109 × 773
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
421285
Product of the distinct prime numbers
The prime factorization of 421285 is 5 × 109 × 773.
Since it has a total of 3 prime factors.
4 , 5 , 33 , 46 , 194 , 453 , 602 , 3009 , 83089 , 27689 , 613533 , 917084 , 7612612 , 1162049 , 73242725 , 72358911 , 722647918 , 954859927 , 8553095693 , 7384411428
n×2
842570
n×3
1263855
n×4
1685140
n×5
2106425
n÷2
210642.5
n÷3
140428.33333333
n÷3
105321.25
n÷5
84257
n2
177481051225
n3
74770104665324125
n4
3.1499523543931E+22
n5
1.3270276776205E+28
2 √n
649.06471171987
3 √n
74.965020725578
4 √n
25.476748452655
5 √n
13.332610728972
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
-421284
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 421285 can be divided by 8 positive divisors.
The sum of these divisors (counting 421285) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100110110110100101
3
Ternary
210101220011
4
Quaternary
1212312211
5
Quinary
101440120
6
Senary
13010221
8
Octal
1466645
10
Decimal
421285
12
Duodecimal
183971
16
Hexadecimal
66da5
20
Vigesimal
2cd45
36
Base36
912d
md5
ebb96b090dc81416e40502a94de76534
sha1
f6927228cf21fb914c8b8c69208929c57f88bd6e
sha256
381efd3ff0b87ae3fd3abdb4af5253938033232dd28f73c60ef080169a260959
sha512
e503cf6f0f6cb1b92bf1f28f9a0ea8b821900cc73cbfc54e35f667bfa38118dc14ade29421a656b814a3d71213e6e8939268313e7c08673db067e8f976d42ba4
ripemd-160
3bd1c2218ded530aac52e56be9780d04b629ddaa
Diameter
842570
Circumference
2647011.7221352
Area
557573166679.85
Volume
3.1319628203296E+17
Surface area
2230292666719.4
Circumference
2647011.7221352
Perimeter
1685140
Area
177481051225
Diagonal
595786.96062435
Surface area
1064886307350
Volume
74770104665324125
Space diagonal
729687.02446665
Perimeter
1263855
Area
76851549525.609
Altitude
364843.51223333
Surface area
76851549525.609
Volume
8.8117413398131E+15
Height
198595.65354145