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 4 prime factors and 12 positive divisors.
There are 36992120 positive integers (up to 42543721) that are relatively prime to 42543721.
42543721 has 12 divisors, whose sum is 48799296
The reverse of 42543721 is 12734524
Previous prime number is 11
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
23 × 11 × 11 × 15287
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
3867611
Product of the distinct prime numbers
The prime factorization of 42543721 is 23 × 11 × 11 × 15287.
Since it has a total of 4 prime factors.
9 , 2 , 81 , 69 , 950 , 101 , 6427 , 9799 , 25942 , 7721 , 555594 , 103542 , 4973964 , 1213562 , 81979553 , 6789249 , 925849689 , 911041289 , 7779517999 , 958678691
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
1 , 11 , 23 , 121 , 253 , 2783 , 15287 , 168157 , 351601 , 1849727 , 3867611 , 42543721
12 divisors
τ
Total Divisors
12
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
0.083333333333333
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
12
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 12 positive divisors.
The sum of these divisors (counting 42543721) is 1, the average is 0.083333333333333.
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