159920987 is an odd 9-digits composite number following 159920986
and preceding 159920988 . In scientific notation, it is written as 1.59920987 × 10^8.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 159538896 positive integers (up to 159920987) that are relatively prime to 159920987.
159920987 has 4 divisors, whose sum is 160303080
The reverse of 159920987 is 789029951
Previous prime number is 419
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
one hundred fifty-nine million nine hundred twenty thousand nine hundred eighty-seven
Scientific notation
1.59920987 × 10^8
Engineering notation
1.59920987 × 10^6
Prime Factorization
419 × 381673
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
159920987
Product of the distinct prime numbers
The prime factorization of 159920987 is 419 × 381673.
Since it has a total of 2 prime factors.
1 , 6 , 4 , 7 , 791 , 994 , 8337 , 6533 , 86378 , 67520 , 279979 , 297234 , 3521483 , 8607581 , 28994968 , 1949569 , 115329198 , 313749212 , 4005790294 , 3816576174
n×2
319841974
n×3
479762961
n×4
639683948
n×5
799604935
n÷2
79960493.5
n÷3
53306995.666667
n÷3
39980246.75
n÷5
31984197.4
n2
25574722083054169
n3
4.0899347977727E+24
n4
6.5406640962546E+32
n5
1.0459894579085E+41
2 √n
12645.986991928
3 √n
542.79414432168
4 √n
112.45437738002
5 √n
43.730162613361
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
-159920986
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 159920987 can be divided by 4 positive divisors.
The sum of these divisors (counting 159920987) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100010000011001101011011
3
Ternary
102010220211100112
4
Quaternary
21202003031123
5
Quinary
311414432422
6
Senary
23511354535
8
Octal
1142031533
10
Decimal
159920987
12
Duodecimal
45682a4b
16
Hexadecimal
988335b
20
Vigesimal
29ja297
36
Base36
2n7ntn
md5
7a77fc684a0bd9d5961734b725a680e5
sha1
6d6d51d4a34d56c082db0057574af3d4a55116cc
sha256
946296bc8fee323129bffc68a317ab54f8853790a1cb8236e83d097ad9044ba0
sha512
a71106e0821be9335108785ca34c95cbb9442668d75a5bc5dfe5e2bc3b2ea772c2a9830bc862a44e37eb4dd728ede194ed14d8887aa79930e56e2b5aec7cdad1
ripemd-160
9a409adbc023c9acd496ce2111cdf788fa558a69
Diameter
319841974
Circumference
1004813195.8281
Area
8.0345359013724E+16
Volume
1.7131878819125E+25
Surface area
3.2138143605489E+17
Circumference
1004813195.8281
Perimeter
639683948
Area
25574722083054169
Diagonal
226162428.72349
Surface area
153448332498325014
Volume
4.0899347977727E+24
Space diagonal
276991274.68056
Perimeter
479762961
Area
1.1074179509326E+16
Altitude
138495637.34028
Surface area
1.1074179509326E+16
Volume
4.8200343835265E+23
Height
75387476.241164