156985085 is an odd 9-digits composite number following 156985084
and preceding 156985086 . In scientific notation, it is written as 1.56985085 × 10^8.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 120744000 positive integers (up to 156985085) that are relatively prime to 156985085.
156985085 has 16 divisors, whose sum is 195727872
The reverse of 156985085 is 580589651
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
one hundred fifty-six million nine hundred eighty-five thousand eighty-five
Scientific notation
1.56985085 × 10^8
Engineering notation
1.56985085 × 10^6
Prime Factorization
5 × 31 × 157 × 6451
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
156985085
Product of the distinct prime numbers
The prime factorization of 156985085 is 5 × 31 × 157 × 6451.
Since it has a total of 4 prime factors.
1 , 8 , 98 , 79 , 330 , 314 , 3081 , 6238 , 71588 , 18985 , 537107 , 927283 , 5351237 , 1094751 , 77486853 , 17895009 , 528160744 , 413179768 , 1284621890 , 3235400491
n×2
313970170
n×3
470955255
n×4
627940340
n×5
784925425
n÷2
78492542.5
n÷3
52328361.666667
n÷3
39246271.25
n÷5
31397017
n2
24644316912457225
n3
3.868790185269E+24
n4
6.0734235608163E+32
n5
9.5343691393574E+40
2 √n
12529.368898712
3 √n
539.45198748271
4 √n
111.93466352615
5 √n
43.568406745277
1 , 5 , 31 , 155 , 157 , 785 , 4867 , 6451 , 24335 , 32255 , 199981 , 999905 , 1012807 , 5064035 , 31397017 , 156985085
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
-156985084
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 156985085 can be divided by 16 positive divisors.
The sum of these divisors (counting 156985085) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001010110110110011011111101
3
Ternary
101221101200001102
4
Quaternary
21112312123331
5
Quinary
310142010320
6
Senary
23324422445
8
Octal
1126663375
10
Decimal
156985085
12
Duodecimal
446a7a25
16
Hexadecimal
95b66fd
20
Vigesimal
29132e5
36
Base36
2lgqgt
md5
895d9fcadfe72e851c7b5d23783104b3
sha1
41149e3642a21cc5a7a8fdbcc1364309738590c9
sha256
3785cef525c2edf21961f66a58ab2099a1909fa11dd3c10e85264943b0da2a2d
sha512
3503c36886c29877f5ecb85fc9c7510b2cc668a830b4a8bd62117cf60fa336421299536f216e44d9b102d974fb51c288e54d1539978221e538d3224ac1e854a4
ripemd-160
36b8971bda75f78e3c9d21ddbbedad95c01d64ad
Diameter
313970170
Circumference
986366379.51834
Area
7.7422404964914E+16
Volume
1.6205550432429E+25
Surface area
3.0968961985966E+17
Circumference
986366379.51834
Perimeter
627940340
Area
24644316912457225
Diagonal
222010436.29729
Surface area
147865901474743350
Volume
3.868790185269E+24
Space diagonal
271906143.25052
Perimeter
470955255
Area
1.0671302252551E+16
Altitude
135953071.62526
Surface area
1.0671302252551E+16
Volume
4.5594129583195E+23
Height
74003478.765764