42021621 is an odd 8-digits composite number following 42021620
and preceding 42021622 . In scientific notation, it is written as 4.2021621 × 10^7.
The sum of its digits is 18. It has a total of 5 prime factors and 24 positive divisors.
There are 26167680 positive integers (up to 42021621) that are relatively prime to 42021621.
42021621 has 24 divisors, whose sum is 64823616
The reverse of 42021621 is 12612024
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
forty-two million twenty-one thousand six hundred twenty-one
Scientific notation
4.2021621 × 10^7
Engineering notation
4.2021621 × 10^6
Prime Factorization
3 × 3 × 23 × 43 × 4721
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
14007207
Product of the distinct prime numbers
The prime factorization of 42021621 is 3 × 3 × 23 × 43 × 4721.
Since it has a total of 5 prime factors.
6 , 9 , 26 , 51 , 676 , 232 , 8417 , 3853 , 94430 , 10171 , 510990 , 231477 , 9285090 , 3315213 , 87621501 , 67986540 , 897559089 , 6496417 , 4217084068 , 1996131174
n×2
84043242
n×3
126064863
n×4
168086484
n×5
210108105
n÷2
21010810.5
n÷3
14007207
n÷3
10505405.25
n÷5
8404324.2
n2
1765816631467641
n3
7.420247724303E+22
n4
3.1181083759677E+30
n5
1.3102796841184E+38
2 √n
6482.4085801498
3 √n
347.66230121841
4 √n
80.513406213809
5 √n
33.472994048094
1 , 3 , 9 , 23 , 43 , 69 , 129 , 207 , 387 , 989 , 2967 , 4721 , 8901 , 14163 , 42489 , 108583 , 203003 , 325749 , 609009 , 977247 , 1827027 , 4669069 , 14007207 , 42021621
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-42021620
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 42021621 can be divided by 24 positive divisors.
The sum of these divisors (counting 42021621) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
10100000010011001011110101
3
Ternary
2221001220211100
4
Quaternary
2200103023311
5
Quinary
41224142441
6
Senary
4100400313
8
Octal
240231365
10
Decimal
42021621
12
Duodecimal
120a6099
16
Hexadecimal
28132f5
20
Vigesimal
d2ce11
36
Base36
p0o39
md5
2f595f828d11dea6a64088b7fae2700e
sha1
2ce7c880c85e2e15f3a76e3373468926685e568d
sha256
8109af2a1761b10cf92e5231d9f73be6b5ab3273a54428a1913ec75618ef6455
sha512
589bc56d81b9f6b03fd70d4fbe8218e1708d18a9f6d6dc97ff617fbade366ea41c8f4b3a50ee469f0cb4330fd24db94256134e85660867af9a16fb517be3311c
ripemd-160
12560a23856bada8c659ee0d8f0513f690b28589
Diameter
84043242
Circumference
264029631.65107
Area
5.5474765570054E+15
Volume
3.1081860984649E+23
Surface area
2.2189906228022E+16
Circumference
264029631.65107
Perimeter
168086484
Area
1765816631467641
Diagonal
59427546.331102
Surface area
10594899788805846
Volume
7.420247724303E+22
Space diagonal
72783582.588403
Perimeter
126064863
Area
7.6462103063802E+14
Altitude
36391791.294202
Surface area
7.6462103063802E+14
Volume
8.7448458065645E+21
Height
19809182.110367