42156985 is an odd 8-digits composite number following 42156984
and preceding 42156986 . In scientific notation, it is written as 4.2156985 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 30405312 positive integers (up to 42156985) that are relatively prime to 42156985.
42156985 has 8 divisors, whose sum is 43803936
The reverse of 42156985 is 58965124
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
forty-two million one hundred fifty-six thousand nine hundred eighty-five
Scientific notation
4.2156985 × 10^7
Engineering notation
4.2156985 × 10^6
Prime Factorization
65 × 43 × 15083
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
42156985
Product of the distinct prime numbers
The prime factorization of 42156985 is 65 × 43 × 15083.
Since it has a total of 3 prime factors.
7 , 4 , 73 , 91 , 254 , 112 , 2000 , 4535 , 46786 , 40091 , 645422 , 112299 , 4512643 , 7210595 , 88174929 , 24235244 , 522012776 , 545921121 , 5142336805 , 2570056295
n×2
84313970
n×3
126470955
n×4
168627940
n×5
210784925
n÷2
21078492.5
n÷3
14052328.333333
n÷3
10539246.25
n÷5
8431397
n2
1777211384290225
n3
7.4921873669352E+22
n4
3.1584803044508E+30
n5
1.3315200681753E+38
2 √n
6492.8410576573
3 √n
348.03520859693
4 √n
80.578167375892
5 √n
33.494531586126
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
-42156984
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 42156985 can be divided by 8 positive divisors.
The sum of these divisors (counting 42156985) is 1, the average is 0.125.
Base
System
Value
2
Binary
10100000110100001110111001
3
Ternary
2221022210111211
4
Quaternary
2200310032321
5
Quinary
41243010420
6
Senary
4103323121
8
Octal
240641671
10
Decimal
42156985
12
Duodecimal
121504a1
16
Hexadecimal
28343b9
20
Vigesimal
d39c95
36
Base36
p3kjd
md5
3804dd16eaab551d52db68a7ecd3abb1
sha1
02ca3bea96d49c1ae84a33278966194780bd892f
sha256
c6f082b47bc7cc4372bf6e705391d8a2c0208fd33b5c3d6d522511adf95cd27f
sha512
fb4f9504286c793f15aa552f23674514ad8d018b28d191ec7ed461e705c2ecda55e6e2658156312f95b8bf4621477c21408eea4e96fcd0463330d9555d013437
ripemd-160
c115201f9ea6fc85cdcaed8287128ee3ce0c8af3
Diameter
84313970
Circumference
264880148.74699
Area
5.5832742287623E+15
Volume
3.1383201055043E+23
Surface area
2.2333096915049E+16
Circumference
264880148.74699
Perimeter
168627940
Area
1777211384290225
Diagonal
59618979.935759
Surface area
10663268305741350
Volume
7.4921873669352E+22
Space diagonal
73018039.913919
Perimeter
126470955
Area
7.6955510334512E+14
Altitude
36509019.95696
Surface area
7.6955510334512E+14
Volume
8.8296274884668E+21
Height
19872993.31192