149744281 is an odd 9-digits composite number following 149744280
and preceding 149744282 . In scientific notation, it is written as 1.49744281 × 10^8.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 149716864 positive integers (up to 149744281) that are relatively prime to 149744281.
149744281 has 4 divisors, whose sum is 149771700
The reverse of 149744281 is 182447941
Previous prime number is 7529
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred forty-nine million seven hundred forty-four thousand two hundred eighty-one
Scientific notation
1.49744281 × 10^8
Engineering notation
1.49744281 × 10^6
Prime Factorization
7529 × 19889
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
149744281
Product of the distinct prime numbers
The prime factorization of 149744281 is 7529 × 19889.
Since it has a total of 2 prime factors.
7 , 8 , 30 , 61 , 630 , 804 , 8391 , 8770 , 57855 , 23608 , 539642 , 343588 , 1762438 , 6738565 , 31094785 , 5621680 , 723976902 , 72371470 , 4851669125 , 4097317593
n×2
299488562
n×3
449232843
n×4
598977124
n×5
748721405
n÷2
74872140.5
n÷3
49914760.333333
n÷3
37436070.25
n÷5
29948856.2
n2
22423349692206961
n3
3.3577683772711E+24
n4
5.02806611419E+32
n5
7.5292414508984E+40
2 √n
12237.004576284
3 √n
531.02717730866
4 √n
110.62099518755
5 √n
43.158868376586
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
-149744280
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 149744281 can be divided by 4 positive divisors.
The sum of these divisors (counting 149744281) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000111011001110101010011001
3
Ternary
101102202210112111
4
Quaternary
20323032222121
5
Quinary
301313304111
6
Senary
22505312321
8
Octal
1073165231
10
Decimal
149744281
12
Duodecimal
421956a1
16
Hexadecimal
8ecea99
20
Vigesimal
26fi0e1
36
Base36
2h5jfd
md5
7319522f8d98b42c57c0237f8579b27d
sha1
67c817fbf9e00d696f35a754c34527e94733147b
sha256
f45241f36c4291f69bd1b7db9bb2fe6bcc1ca3251aa7f3b837f354355646c350
sha512
93cf1ad161f2332e4f104cb1857686abfef82ad392e93b60659d5679e3e6ac1faf53295b929c7337bf4f0d98b69d1855907b02d25809f911f299ed7f1c5f6170
ripemd-160
d9df40e90ccbf8088a07263a2d6337435d594349
Diameter
299488562
Circumference
940871066.21337
Area
7.0445030661912E+16
Volume
1.4064987288655E+25
Surface area
2.8178012264765E+17
Circumference
940871066.21337
Perimeter
598977124
Area
22423349692206961
Diagonal
211770393.07801
Surface area
134540098153241766
Volume
3.3577683772711E+24
Space diagonal
259364702.83487
Perimeter
449232843
Area
9.7095952356966E+15
Altitude
129682351.41744
Surface area
9.7095952356966E+15
Volume
3.9571679820369E+23
Height
70590131.026003