156939986 is an even 9-digits composite number following 156939985
and preceding 156939987 . In scientific notation, it is written as 1.56939986 × 10^8.
The sum of its digits is 56. It has a total of 4 prime factors and 16 positive divisors.
There are 66064896 positive integers (up to 156939986) that are relatively prime to 156939986.
156939986 has 16 divisors, whose sum is 237537600
The reverse of 156939986 is 689939651
Previous prime number is 163
Is Prime? no
Number parity even
Number length 9
Sum of Digits 56
Digital Root 2
Name
one hundred fifty-six million nine hundred thirty-nine thousand nine hundred eighty-six
Scientific notation
1.56939986 × 10^8
Engineering notation
1.56939986 × 10^6
Prime Factorization
2 × 679 × 163 × 709
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
156939986
Product of the distinct prime numbers
The prime factorization of 156939986 is 2 × 679 × 163 × 709.
Since it has a total of 4 prime factors.
5 , 7 , 37 , 35 , 864 , 533 , 3225 , 5814 , 77150 , 6653 , 219201 , 932634 , 4363392 , 2210806 , 70456573 , 90366846 , 758000904 , 439748889 , 50411226 , 6689922656
n×2
313879972
n×3
470819958
n×4
627759944
n×5
784699930
n÷2
78469993
n÷3
52313328.666667
n÷3
39234996.5
n÷5
31387997.2
n2
24630159205680196
n3
3.8654568409172E+24
n4
6.0664474249715E+32
n5
9.5206817394477E+40
2 √n
12527.569037926
3 √n
539.40032424074
4 √n
111.9266234545
5 √n
43.565903173163
1 , 2 , 163 , 326 , 679 , 709 , 1358 , 1418 , 110677 , 115567 , 221354 , 231134 , 481411 , 962822 , 78469993 , 156939986
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
-156939985
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 156939986 can be divided by 16 positive divisors.
The sum of these divisors (counting 156939986) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001010110101011011011010010
3
Ternary
101221022101012002
4
Quaternary
21112223123102
5
Quinary
310134034421
6
Senary
23323434002
8
Octal
1126533322
10
Decimal
156939986
12
Duodecimal
44685902
16
Hexadecimal
95ab6d2
20
Vigesimal
290h9j6
36
Base36
2lfro2
md5
b5e6da0f463d51bdf2a43718b67bf723
sha1
68f4b236c8512530f6a8726e347639432ba380b5
sha256
64df056cb9cc1ca6cc6ea99c83419ccd2d5fb942b48a0dcc3a958e1985553ddf
sha512
e032b4049b76017a6a6d9e2be80af6cd57e4782b5706ddcf7dfd684f96f18ecd72ae671280d63f46038624397219907cb364fd7af354f62af22c7db91e28ab0c
ripemd-160
21af2a5b7ec8e7912317819c3134a6dbe475f802
Diameter
313879972
Circumference
986083014.14417
Area
7.7377927217312E+16
Volume
1.6191587752259E+25
Surface area
3.0951170886925E+17
Circumference
986083014.14417
Perimeter
627759944
Area
24630159205680196
Diagonal
221946656.67984
Surface area
147780955234081176
Volume
3.8654568409172E+24
Space diagonal
271828029.49115
Perimeter
470819958
Area
1.0665171785687E+16
Altitude
135914014.74557
Surface area
1.0665171785687E+16
Volume
4.5554845743275E+23
Height
73982218.893281