42021891 is an odd 8-digits composite number following 42021890
and preceding 42021892 . In scientific notation, it is written as 4.2021891 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 27981600 positive integers (up to 42021891) that are relatively prime to 42021891.
42021891 has 8 divisors, whose sum is 46746000
The reverse of 42021891 is 19812024
Previous prime number is 1049
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
forty-two million twenty-one thousand eight hundred ninety-one
Scientific notation
4.2021891 × 10^7
Engineering notation
4.2021891 × 10^6
Prime Factorization
9 × 1049 × 4451
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
42021891
Product of the distinct prime numbers
The prime factorization of 42021891 is 9 × 1049 × 4451.
Since it has a total of 3 prime factors.
10 , 6 , 41 , 89 , 93 , 781 , 6704 , 1705 , 50990 , 24032 , 180245 , 408037 , 5448345 , 5199527 , 15086763 , 62202395 , 956910925 , 328772437 , 6622435205 , 3163472096
n×2
84043782
n×3
126065673
n×4
168087564
n×5
210109455
n÷2
21010945.5
n÷3
14007297
n÷3
10505472.75
n÷5
8404378.2
n2
1765839323215881
n3
7.4203907563692E+22
n4
3.1181885154155E+30
n5
1.3103217791224E+38
2 √n
6482.4294057089
3 √n
347.66304582415
4 √n
80.513535543466
5 √n
33.473037062547
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
-42021890
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 42021891 can be divided by 8 positive divisors.
The sum of these divisors (counting 42021891) is 1, the average is 0.125.
Base
System
Value
2
Binary
10100000010011010000000011
3
Ternary
2221001221012100
4
Quaternary
2200103100003
5
Quinary
41224200031
6
Senary
4100401443
8
Octal
240232003
10
Decimal
42021891
12
Duodecimal
120a6283
16
Hexadecimal
2813403
20
Vigesimal
d2ceeb
36
Base36
p0oar
md5
188511c9b8c83bbf549f2eda725efb5a
sha1
8c10bb6932798556923cec9d8ff8ec1f7a48944b
sha256
2164208d0eeb5e96314dd6baaa916f31a4ca01cca1c6f6f68e39e3d61a9d6f75
sha512
8de2fb33037604de3870e92f8315b5fc5d0facc7723912482cbfdd60a450b3022a7877ed56a54828a4cf078767f663d8b57ad033d2416cb11dfe99360742b873
ripemd-160
29b7457c9f5e045aca8bc28f83cd1e63a7d5fda9
Diameter
84043782
Circumference
264031328.1111
Area
5.547547845235E+15
Volume
3.1082460115967E+23
Surface area
2.219019138094E+16
Circumference
264031328.1111
Perimeter
168087564
Area
1765839323215881
Diagonal
59427928.168764
Surface area
10595035939295286
Volume
7.4203907563692E+22
Space diagonal
72784050.242121
Perimeter
126065673
Area
7.6463085645324E+14
Altitude
36392025.121061
Surface area
7.6463085645324E+14
Volume
8.745014371471E+21
Height
19809309.389588