42156749 is an odd 8-digits composite number following 42156748
and preceding 42156750 . In scientific notation, it is written as 4.2156749 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 40703040 positive integers (up to 42156749) that are relatively prime to 42156749.
42156749 has 4 divisors, whose sum is 43610460
The reverse of 42156749 is 94765124
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
forty-two million one hundred fifty-six thousand seven hundred forty-nine
Scientific notation
4.2156749 × 10^7
Engineering notation
4.2156749 × 10^6
Prime Factorization
29 × 1453681
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
42156749
Product of the distinct prime numbers
The prime factorization of 42156749 is 29 × 1453681.
Since it has a total of 2 prime factors.
10 , 4 , 50 , 61 , 345 , 237 , 1333 , 6730 , 40055 , 85368 , 841918 , 447128 , 1654931 , 4404525 , 53027342 , 28268918 , 620310488 , 683174932 , 8946849967 , 3744392161
n×2
84313498
n×3
126470247
n×4
168626996
n×5
210783745
n÷2
21078374.5
n÷3
14052249.666667
n÷3
10539187.25
n÷5
8431349.8
n2
1777191486249001
n3
7.4920615410736E+22
n4
3.1584095787959E+30
n5
1.331482798525E+38
2 √n
6492.8228837694
3 √n
348.03455914771
4 √n
80.578054604026
5 √n
33.494494084738
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
-42156748
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 42156749 can be divided by 4 positive divisors.
The sum of these divisors (counting 42156749) is 1, the average is 0.25.
Base
System
Value
2
Binary
10100000110100001011001101
3
Ternary
2221022210012002
4
Quaternary
2200310023031
5
Quinary
41243003444
6
Senary
4103322045
8
Octal
240641315
10
Decimal
42156749
12
Duodecimal
12150325
16
Hexadecimal
28342cd
20
Vigesimal
d39bh9
36
Base36
p3kct
md5
3a0a72eb85ef3fd79820d3f8161bf9a1
sha1
c78640568837ac0ec669ff4a50e857e5e0b5af19
sha256
51ca8ef7e23d464cc8ca079fc16ad716b76dd46d51acc535e9fb3e04ab1e8835
sha512
7c6b9768d2c80998133a5ac50df624864fa21e3c5887d274ba8ba3ef2be59db6723a05a627f1ab35f5bcf56a711d72c79120420239492e04fac993d1165e5fe4
ripemd-160
11bba9f5a69fb070a07d12336f845b717462638c
Diameter
84313498
Circumference
264878665.91526
Area
5.5832117172222E+15
Volume
3.1382673996906E+23
Surface area
2.2332846868889E+16
Circumference
264878665.91526
Perimeter
168626996
Area
1777191486249001
Diagonal
59618646.181358
Surface area
10663148917494006
Volume
7.4920615410736E+22
Space diagonal
73017631.149928
Perimeter
126470247
Area
7.6954648724053E+14
Altitude
36508815.574964
Surface area
7.6954648724053E+14
Volume
8.8294792012668E+21
Height
19872882.060453