42091281 is an odd 8-digits composite number following 42091280
and preceding 42091282 . In scientific notation, it is written as 4.2091281 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 26943840 positive integers (up to 42091281) that are relatively prime to 42091281.
42091281 has 24 divisors, whose sum is 63267776
The reverse of 42091281 is 18219024
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
forty-two million ninety-one thousand two hundred eighty-one
Scientific notation
4.2091281 × 10^7
Engineering notation
4.2091281 × 10^6
Prime Factorization
3 × 3 × 43 × 61 × 1783
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
14030427
Product of the distinct prime numbers
The prime factorization of 42091281 is 3 × 3 × 43 × 61 × 1783.
Since it has a total of 5 prime factors.
4 , 8 , 11 , 45 , 33 , 467 , 6152 , 6238 , 81853 , 10020 , 939500 , 119243 , 9674036 , 9672993 , 60696519 , 95525634 , 982929827 , 224026923 , 2218473837 , 1340722273
n×2
84182562
n×3
126273843
n×4
168365124
n×5
210456405
n÷2
21045640.5
n÷3
14030427
n÷3
10522820.25
n÷5
8418256.2
n2
1771675936220961
n3
7.4572109672415E+22
n4
3.1388356229844E+30
n5
1.3211761221985E+38
2 √n
6487.7793581471
3 √n
347.85430385377
4 √n
80.546752623226
5 √n
33.484084453968
1 , 3 , 9 , 43 , 61 , 129 , 183 , 387 , 549 , 1783 , 2623 , 5349 , 7869 , 16047 , 23607 , 76669 , 108763 , 230007 , 326289 , 690021 , 978867 , 4676809 , 14030427 , 42091281
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
-42091280
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 42091281 can be divided by 24 positive divisors.
The sum of these divisors (counting 42091281) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
10100000100100001100010001
3
Ternary
2221012110101100
4
Quaternary
2200210030101
5
Quinary
41233410111
6
Senary
4102055013
8
Octal
240441421
10
Decimal
42091281
12
Duodecimal
1211a469
16
Hexadecimal
2824311
20
Vigesimal
d31841
36
Base36
p25u9
md5
58b5e9ec2d6deb02e35a9f7a3b760db5
sha1
6ade5fa302482d58b3cd9df31a78eb1d53dcdc4c
sha256
b17a10074b7616cbf9359f1729d5199f11fa9c10781f0a2edd83a9ce0f3d45d3
sha512
716c8c57f4cad233e9d5c7009d1865284a3197046abf6117ae2a44f12bacbdc903531da232ebe347f656edc65c2c9f91b6e8640bf215c906864e1db5417a7adc
ripemd-160
e5f2c9cb74b53dc200462043572791b4bd75e621
Diameter
84182562
Circumference
264467318.33957
Area
5.5658841057736E+15
Volume
3.1236692254607E+23
Surface area
2.2263536423094E+16
Circumference
264467318.33957
Perimeter
168365124
Area
1771675936220961
Diagonal
59526060.447857
Surface area
10630055617325766
Volume
7.4572109672415E+22
Space diagonal
72904237.247659
Perimeter
126273843
Area
7.6715818402047E+14
Altitude
36452118.623829
Surface area
7.6715818402047E+14
Volume
8.7884074061252E+21
Height
19842020.149286