149718989 is an odd 9-digits composite number following 149718988
and preceding 149718990 . In scientific notation, it is written as 1.49718989 × 10^8.
The sum of its digits is 56. It has a total of 3 prime factors and 8 positive divisors.
There are 128275056 positive integers (up to 149718989) that are relatively prime to 149718989.
149718989 has 8 divisors, whose sum is 171181440
The reverse of 149718989 is 989817941
Previous prime number is 4519
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 56
Digital Root 2
Name
one hundred forty-nine million seven hundred eighteen thousand nine hundred eighty-nine
Scientific notation
1.49718989 × 10^8
Engineering notation
1.49718989 × 10^6
Prime Factorization
7 × 4519 × 4733
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
149718989
Product of the distinct prime numbers
The prime factorization of 149718989 is 7 × 4519 × 4733.
Since it has a total of 3 prime factors.
5 , 1 , 65 , 50 , 725 , 836 , 6231 , 1632 , 1883 , 20138 , 849409 , 858190 , 1736058 , 8793131 , 29954316 , 76390364 , 430187678 , 988978587 , 1063197150 , 2274799809
n×2
299437978
n×3
449156967
n×4
598875956
n×5
748594945
n÷2
74859494.5
n÷3
49906329.666667
n÷3
37429747.25
n÷5
29943797.8
n2
22415775667182121
n3
3.3560672705413E+24
n4
5.0246699876143E+32
n5
7.5228851060426E+40
2 √n
12235.971109806
3 √n
530.9972785695
4 √n
110.61632388488
5 √n
43.157410360498
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
-149718988
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 149718989 can be divided by 8 positive divisors.
The sum of these divisors (counting 149718989) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000111011001000011111001101
3
Ternary
101102201111211202
4
Quaternary
20323020133031
5
Quinary
301312001424
6
Senary
22504555245
8
Octal
1073103715
10
Decimal
149718989
12
Duodecimal
42182b25
16
Hexadecimal
8ec87cd
20
Vigesimal
26feh99
36
Base36
2h4zwt
md5
2ba0bc1d3302f2a3826eb040e3fe5fcb
sha1
0b4875a611879d7a21174bec3b71aa42aff4ad5c
sha256
94196974a6e7de2809e47b5677ad1d5085faa58aa5381d3251e7b6ea26d7d463
sha512
53e058fd0d3533b20684b19f4ac8819f5a741e669e4f545eede3201468d2c06aa67b5098b6286eb2306280d84f2779e3cd4a0aedd874db4e01f91a0925407a78
ripemd-160
9bbf40cd9dfb0a280587f7887c5ca07281923bf2
Diameter
299437978
Circumference
940712151.89058
Area
7.0421236160536E+16
Volume
1.4057861709448E+25
Surface area
2.8168494464214E+17
Circumference
940712151.89058
Perimeter
598875956
Area
22415775667182121
Diagonal
211734624.78859
Surface area
134494654003092726
Volume
3.3560672705413E+24
Space diagonal
259320895.80585
Perimeter
449156967
Area
9.7063155866564E+15
Altitude
129660447.90292
Surface area
9.7063155866564E+15
Volume
3.95516320853E+23
Height
70578208.262863