42543721 is an odd 8-digits composite number following 42543720
and preceding 42543722 . In scientific notation, it is written as 4.2543721 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 36992120 positive integers (up to 42543721) that are relatively prime to 42543721.
42543721 has 8 divisors, whose sum is 44763264
The reverse of 42543721 is 12734524
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
forty-two million five hundred forty-three thousand seven hundred twenty-one
Scientific notation
4.2543721 × 10^7
Engineering notation
4.2543721 × 10^6
Prime Factorization
121 × 23 × 15287
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
42543721
Product of the distinct prime numbers
The prime factorization of 42543721 is 121 × 23 × 15287.
Since it has a total of 3 prime factors.
5 , 2 , 48 , 41 , 452 , 105 , 5341 , 851 , 44110 , 75182 , 784487 , 617423 , 3860297 , 4838928 , 31699023 , 90780406 , 284465913 , 999259070 , 6033598351 , 7736836517
n×2
85087442
n×3
127631163
n×4
170174884
n×5
212718605
n÷2
21271860.5
n÷3
14181240.333333
n÷3
10635930.25
n÷5
8508744.2
n2
1809968196525841
n3
7.7002781971869E+22
n4
3.275984872435E+30
n5
1.393725864131E+38
2 √n
6522.5547908776
3 √n
349.09622883201
4 √n
80.762335224271
5 √n
33.555761146602
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
-42543720
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 42543721 can be divided by 8 positive divisors.
The sum of these divisors (counting 42543721) is 1, the average is 0.125.
Base
System
Value
2
Binary
10100010010010101001101001
3
Ternary
2222001110000101
4
Quaternary
2202102221221
5
Quinary
41342344341
6
Senary
4115505401
8
Octal
242225151
10
Decimal
42543721
12
Duodecimal
122b8261
16
Hexadecimal
2892a69
20
Vigesimal
d5hj61
36
Base36
pbuy1
md5
61fe46db9971397fbafeadd5468b7b0d
sha1
3f1eccaf7c7bf028abfa2d768790f7d99f7f4f60
sha256
0b87e56f5e87ac736ce7837985f2a42ceb461bc0e7623ff44866b1298ee43c79
sha512
c565d977085613ec378386db48bf98e74473a30c75742eb0e1b3da6f81a742a2d00fc7280e3662c797d15387477e79a25e2b7f2a05483506aec4242d37c2a2b4
ripemd-160
af2c8bbd263c8b1c7a9b50fa195fd8d2417d9367
Diameter
85087442
Circumference
267310082.69995
Area
5.6861827894367E+15
Volume
3.2254849886507E+23
Surface area
2.2744731157747E+16
Circumference
267310082.69995
Perimeter
170174884
Area
1809968196525841
Diagonal
60165907.232017
Surface area
10859809179155046
Volume
7.7002781971869E+22
Space diagonal
73687886.315035
Perimeter
127631163
Area
7.8373921911664E+14
Altitude
36843943.157518
Surface area
7.8373921911664E+14
Volume
9.0748648837562E+21
Height
20055302.410672