42156945 is an odd 8-digits composite number following 42156944
and preceding 42156946 . In scientific notation, it is written as 4.2156945 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 22210848 positive integers (up to 42156945) that are relatively prime to 42156945.
42156945 has 16 divisors, whose sum is 60684288
The reverse of 42156945 is 54965124
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
forty-two million one hundred fifty-six thousand nine hundred forty-five
Scientific notation
4.2156945 × 10^7
Engineering notation
4.2156945 × 10^6
Prime Factorization
15 × 3 × 83 × 11287
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
42156945
Product of the distinct prime numbers
The prime factorization of 42156945 is 15 × 3 × 83 × 11287.
Since it has a total of 4 prime factors.
10 , 4 , 26 , 24 , 502 , 172 , 6108 , 1867 , 40380 , 71069 , 269430 , 456075 , 5614311 , 6514455 , 38446637 , 52471788 , 277018242 , 277307679 , 3751676329 , 4171661006
n×2
84313890
n×3
126470835
n×4
168627780
n×5
210784725
n÷2
21078472.5
n÷3
14052315
n÷3
10539236.25
n÷5
8431389
n2
1777208011733025
n3
7.4921660404188E+22
n4
3.1584683169681E+30
n5
1.3315137512266E+38
2 √n
6492.8379773409
3 √n
348.03509852096
4 √n
80.57814826205
5 √n
33.49452522997
1 , 3 , 15 , 45 , 83 , 249 , 1245 , 3735 , 11287 , 33861 , 169305 , 507915 , 936821 , 2810463 , 14052315 , 42156945
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-42156944
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 42156945 can be divided by 16 positive divisors.
The sum of these divisors (counting 42156945) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10100000110100001110010001
3
Ternary
2221022210110100
4
Quaternary
2200310032101
5
Quinary
41243010240
6
Senary
4103323013
8
Octal
240641621
10
Decimal
42156945
12
Duodecimal
12150469
16
Hexadecimal
2834391
20
Vigesimal
d39c75
36
Base36
p3ki9
md5
345aba43561a6d968ffc24660276a56b
sha1
d090e1ba57d8aa75062f380a46dbc48a3545bc9a
sha256
4d99f7f6b6d25a76def3c318228a2326034702f1f9018eb41dc6bdb6ec3e2a28
sha512
e8caff89a80dcea33e23bc9c1eff376ae6633c4ef97034b421e4df99d6c65c7cc4623b3abf7938f6e466a29f4a8f426ca51690b0433e9fb54f7315bae4640b62
ripemd-160
53bb77ea67e98d17fcc511aeef0be525fdd54290
Diameter
84313890
Circumference
264879897.41958
Area
5.5832636335614E+15
Volume
3.138311172274E+23
Surface area
2.2333054534246E+16
Circumference
264879897.41958
Perimeter
168627780
Area
1777208011733025
Diagonal
59618923.367217
Surface area
10663248070398150
Volume
7.4921660404188E+22
Space diagonal
73017970.631887
Perimeter
126470835
Area
7.6955364298502E+14
Altitude
36508985.315943
Surface area
7.6955364298502E+14
Volume
8.8296023549262E+21
Height
19872974.455739