42420121 is an odd 8-digits composite number following 42420120
and preceding 42420122 . In scientific notation, it is written as 4.2420121 × 10^7.
The sum of its digits is 16. It has a total of 3 prime factors and 8 positive divisors.
There are 40979520 positive integers (up to 42420121) that are relatively prime to 42420121.
42420121 has 8 divisors, whose sum is 43865600
The reverse of 42420121 is 12102424
Previous prime number is 1489
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7
Name
forty-two million four hundred twenty thousand one hundred twenty-one
Scientific notation
4.2420121 × 10^7
Engineering notation
4.2420121 × 10^6
Prime Factorization
31 × 1489 × 919
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
42420121
Product of the distinct prime numbers
The prime factorization of 42420121 is 31 × 1489 × 919.
Since it has a total of 3 prime factors.
5 , 3 , 35 , 94 , 783 , 372 , 190 , 1090 , 98593 , 9202 , 890935 , 539723 , 3507813 , 9874420 , 84046581 , 92554256 , 596509097 , 801383339 , 6974036637 , 2996757933
n×2
84840242
n×3
127260363
n×4
169680484
n×5
212100605
n÷2
21210060.5
n÷3
14140040.333333
n÷3
10605030.25
n÷5
8484024.2
n2
1799466665654641
n3
7.6333593692536E+22
n4
3.2380802808022E+30
n5
1.3735975731934E+38
2 √n
6513.07308419
3 √n
348.75783070164
4 √n
80.703612584506
5 √n
33.536240896875
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
-42420120
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 42420121 can be divided by 8 positive divisors.
The sum of these divisors (counting 42420121) is 1, the average is 0.125.
Base
System
Value
2
Binary
10100001110100011110011001
3
Ternary
2221211011110121
4
Quaternary
2201310132121
5
Quinary
41324420441
6
Senary
4113113241
8
Octal
241643631
10
Decimal
42420121
12
Duodecimal
12258821
16
Hexadecimal
2874799
20
Vigesimal
d52a61
36
Base36
p97kp
md5
700c3dd8ca39b28dfa9b33605fc7200f
sha1
f656dbc3aadb5ef938ea3276e325b754164aa238
sha256
4bbd48afe7002f59b8bea007097bf391e03077e863111a8788268978c5f3b9a5
sha512
1ea8f2ac21a091975b07ab2c3500a9550e6f218b4abe0a8408ab85cbe4a1481c88919eb8771fdad146976e4ec1e7b1d6efddfcb024ab486a94b246db0b63955d
ripemd-160
aa8619e6df4cfefbcac8d01299aeddef51ed7cd1
Diameter
84840242
Circumference
266533480.99598
Area
5.6531912572003E+15
Volume
3.1974540955544E+23
Surface area
2.2612765028801E+16
Circumference
266533480.99598
Perimeter
169680484
Area
1799466665654641
Diagonal
59991110.435708
Surface area
10796799993927846
Volume
7.6333593692536E+22
Space diagonal
73473804.835219
Perimeter
127260363
Area
7.791919228601E+14
Altitude
36736902.41761
Surface area
7.791919228601E+14
Volume
8.9960002887219E+21
Height
19997036.811903