156668989 is an odd 9-digits composite number following 156668988
and preceding 156668990 . In scientific notation, it is written as 1.56668989 × 10^8.
The sum of its digits is 58. It has a total of 3 prime factors and 8 positive divisors.
There are 152286480 positive integers (up to 156668989) that are relatively prime to 156668989.
156668989 has 8 divisors, whose sum is 161059808
The reverse of 156668989 is 989866651
Previous prime number is 2131
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 58
Digital Root 4
Name
one hundred fifty-six million six hundred sixty-eight thousand nine hundred eighty-nine
Scientific notation
1.56668989 × 10^8
Engineering notation
1.56668989 × 10^6
Prime Factorization
37 × 2131 × 1987
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
156668989
Product of the distinct prime numbers
The prime factorization of 156668989 is 37 × 2131 × 1987.
Since it has a total of 3 prime factors.
10 , 7 , 35 , 94 , 182 , 557 , 4677 , 299 , 77608 , 26480 , 444024 , 394055 , 3532278 , 8093442 , 42551520 , 70810961 , 634828849 , 263107803 , 4148965014 , 7754922303
n×2
313337978
n×3
470006967
n×4
626675956
n×5
783344945
n÷2
78334494.5
n÷3
52222996.333333
n÷3
39167247.25
n÷5
31333797.8
n2
24545172114282121
n3
3.8454672999756E+24
n4
6.0246547411973E+32
n5
9.4387656737744E+40
2 √n
12516.748339725
3 √n
539.08967452283
4 √n
111.87827465475
5 √n
43.550847236927
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
-156668988
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 156668989 can be divided by 8 positive divisors.
The sum of these divisors (counting 156668989) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010101101001010000111101
3
Ternary
101220210121110011
4
Quaternary
21111221100331
5
Quinary
310101401424
6
Senary
23313543221
8
Octal
1125512075
10
Decimal
156668989
12
Duodecimal
44574b11
16
Hexadecimal
956943d
20
Vigesimal
28j3c99
36
Base36
2l9ykd
md5
0424f1b95d067b75e425e604345b1084
sha1
42af0fc3dc63673f7dcaec06c528d19e82564bac
sha256
44a908b94d76d9581ec8eaea2a335d27be6bdf6ab7ebab68c906d3f4d9b12193
sha512
02d897d954b6ec165816d4a12efabd9b77fdb7e403774b6bba4ed6f0e021a4671cbb9652c1a5a1b0d2c527dabffaf2af9c1b094888807c27c6a8f8e557efb6a0
ripemd-160
05d45ebbee1e33c0dced4d001537a5f29d26adf1
Diameter
313337978
Circumference
984380289.77548
Area
7.7110932395326E+16
Volume
1.6107855758964E+25
Surface area
3.084437295813E+17
Circumference
984380289.77548
Perimeter
626675956
Area
24545172114282121
Diagonal
221563409.04708
Surface area
147271032685692726
Volume
3.8454672999756E+24
Space diagonal
271358648.91845
Perimeter
470006967
Area
1.0628371295615E+16
Altitude
135679324.45922
Surface area
1.0628371295615E+16
Volume
4.5319266744064E+23
Height
73854469.68236