42051281 is an odd 8-digits composite number following 42051280
and preceding 42051282 . In scientific notation, it is written as 4.2051281 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 41025600 positive integers (up to 42051281) that are relatively prime to 42051281.
42051281 has 4 divisors, whose sum is 43076964
The reverse of 42051281 is 18215024
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
forty-two million fifty-one thousand two hundred eighty-one
Scientific notation
4.2051281 × 10^7
Engineering notation
4.2051281 × 10^6
Prime Factorization
41 × 1025641
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
42051281
Product of the distinct prime numbers
The prime factorization of 42051281 is 41 × 1025641.
Since it has a total of 2 prime factors.
8 , 9 , 18 , 25 , 880 , 22 , 1473 , 8379 , 14568 , 20073 , 731206 , 868379 , 5288574 , 5048640 , 42229561 , 24891146 , 212031780 , 707913446 , 9438138063 , 9813075746
n×2
84102562
n×3
126153843
n×4
168205124
n×5
210256405
n÷2
21025640.5
n÷3
14017093.666667
n÷3
10512820.25
n÷5
8410256.2
n2
1768310233740961
n3
7.4359710534217E+22
n4
3.126921082753E+30
n5
1.3149103711567E+38
2 √n
6484.6959065171
3 √n
347.74407847558
4 √n
80.527609591476
5 √n
33.477717944021
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-42051280
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 42051281 can be divided by 4 positive divisors.
The sum of these divisors (counting 42051281) is 1, the average is 0.25.
Base
System
Value
2
Binary
10100000011010011011010001
3
Ternary
2221010102111212
4
Quaternary
2200122123101
5
Quinary
41231120111
6
Senary
4101145505
8
Octal
240323321
10
Decimal
42051281
12
Duodecimal
120bb295
16
Hexadecimal
281a6d1
20
Vigesimal
d2g841
36
Base36
p1az5
md5
425ca4bdc76bddeaf557758d8a41906e
sha1
5e35e583114494ad280f11b706579afbea8ded93
sha256
f6338424f75ac58e391b02cf83952732de2d506f04e8666e9679199b529f435b
sha512
9ddc34f6de2351a88456bd85f59913a17aa7234007a99555dc019c17e3e32ed635156e8cb39d1a1eb710ec6877bec8ca9f7d723519ac4bad5daf1ddfa22cbcf9
ripemd-160
2e72653fa733df8d0734468f363e88b2f0d51212
Diameter
84102562
Circumference
264215990.92728
Area
5.5553104395883E+15
Volume
3.1147722711648E+23
Surface area
2.2221241758353E+16
Circumference
264215990.92728
Perimeter
168205124
Area
1768310233740961
Diagonal
59469491.905362
Surface area
10609861402445766
Volume
7.4359710534217E+22
Space diagonal
72834955.215356
Perimeter
126153843
Area
7.6570079209584E+14
Altitude
36417477.607678
Surface area
7.6570079209584E+14
Volume
8.7633759276356E+21
Height
19823163.968454