420291221 is an odd 9-digits composite number following 420291220
and preceding 420291222 . In scientific notation, it is written as 4.20291221 × 10^8.
The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors.
There are 338357760 positive integers (up to 420291221) that are relatively prime to 420291221.
420291221 has 16 divisors, whose sum is 509639040
The reverse of 420291221 is 122192024
Previous prime number is 521
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 23
Digital Root 5
Name
four hundred twenty million two hundred ninety-one thousand two hundred twenty-one
Scientific notation
4.20291221 × 10^8
Engineering notation
4.20291221 × 10^6
Prime Factorization
7 × 17 × 521 × 6779
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
420291221
Product of the distinct prime numbers
The prime factorization of 420291221 is 7 × 17 × 521 × 6779.
Since it has a total of 4 prime factors.
9 , 2 , 36 , 27 , 109 , 271 , 2084 , 7146 , 31450 , 42651 , 219393 , 415446 , 8218547 , 2298871 , 3510586 , 53410931 , 329687566 , 209207653 , 801572206 , 9742740800
n×2
840582442
n×3
1260873663
n×4
1681164884
n×5
2101456105
n÷2
210145610.5
n÷3
140097073.66667
n÷3
105072805.25
n÷5
84058244.2
n2
176644710449670841
n3
7.4242221038084E+25
n4
3.1203353729848E+34
n5
1.3114495638413E+43
2 √n
20501.005365591
3 √n
749.06028737495
4 √n
143.18172147866
5 √n
53.053014248657
1 , 7 , 17 , 119 , 521 , 3647 , 6779 , 8857 , 47453 , 61999 , 115243 , 806701 , 3531859 , 24723013 , 60041603 , 420291221
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
-420291220
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 420291221 can be divided by 16 positive divisors.
The sum of these divisors (counting 420291221) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11001000011010010001010010101
3
Ternary
1002021212000011112
4
Quaternary
121003102022111
5
Quinary
1330043304341
6
Senary
105412144405
8
Octal
3103221225
10
Decimal
420291221
12
Duodecimal
b8908105
16
Hexadecimal
190d2295
20
Vigesimal
6b6g811
36
Base36
6y8as5
md5
079e6fa10fd16281543bf49917e069db
sha1
48ca1dd2f4affc525dbf478707e3c80562a9ce59
sha256
3858d426e84f4dc413f29f7ac811c094aa2f73b31c14a2fc78d0a149540241d5
sha512
68cf8c1730ff9e54320c97262f9e058b69ffefb91854c7b843255c8bcfd2011024cc07904b5496c01a28192ec2baef006b242bb4b1e4a63c7b9565c451bf2531
ripemd-160
d4918c41f3175e6dc41d5a2a8cf0f9916c32e6eb
Diameter
840582442
Circumference
2640767624.5238
Area
5.5494572464418E+17
Volume
3.1098508826591E+26
Surface area
2.2197828985767E+18
Circumference
2640767624.5238
Perimeter
1681164884
Area
176644710449670841
Diagonal
594381544.88455
Surface area
1059868262698025046
Volume
7.4242221038084E+25
Space diagonal
727965748.74716
Perimeter
1260873663
Area
7.6489403346781E+16
Altitude
363982874.37358
Surface area
7.6489403346781E+16
Volume
8.7495296577299E+24
Height
198127181.62818