149739728 is an even 9-digits composite number following 149739727
and preceding 149739729 . In scientific notation, it is written as 1.49739728 × 10^8.
The sum of its digits is 50. It has a total of 6 prime factors and 20 positive divisors.
There are 74809824 positive integers (up to 149739728) that are relatively prime to 149739728.
149739728 has 20 divisors, whose sum is 290353440
The reverse of 149739728 is 827937941
Previous prime number is 1579
Is Prime? no
Number parity even
Number length 9
Sum of Digits 50
Digital Root 5
Name
one hundred forty-nine million seven hundred thirty-nine thousand seven hundred twenty-eight
Scientific notation
1.49739728 × 10^8
Engineering notation
1.49739728 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 1579 × 5927
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
18717466
Product of the distinct prime numbers
The prime factorization of 149739728 is 2 × 2 × 2 × 2 × 1579 × 5927.
Since it has a total of 6 prime factors.
10 , 5 , 41 , 54 , 620 , 523 , 9462 , 6225 , 44711 , 41689 , 150371 , 890778 , 5250740 , 9614874 , 77053163 , 74401941 , 247337001 , 749869172 , 5833514874 , 1429007590
n×2
299479456
n×3
449219184
n×4
598958912
n×5
748698640
n÷2
74869864
n÷3
49913242.666667
n÷3
37434932
n÷5
29947945.6
n2
22421986141513984
n3
3.3574621060501E+24
n4
5.0274546253025E+32
n5
7.5280968812513E+40
2 √n
12236.818540781
3 √n
531.02179526396
4 √n
110.62015431548
5 √n
43.158605922867
1 , 2 , 4 , 8 , 16 , 1579 , 3158 , 5927 , 6316 , 11854 , 12632 , 23708 , 25264 , 47416 , 94832 , 9358733 , 18717466 , 37434932 , 74869864 , 149739728
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-149739727
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 149739728 can be divided by 20 positive divisors.
The sum of these divisors (counting 149739728) is 1, the average is 0.05.
Base
System
Value
2
Binary
1000111011001101100011010000
3
Ternary
101102202120021212
4
Quaternary
20323031203100
5
Quinary
301313132403
6
Senary
22505235252
8
Octal
1073154320
10
Decimal
149739728
12
Duodecimal
42192b28
16
Hexadecimal
8ecd8d0
20
Vigesimal
26fh968
36
Base36
2h5fww
md5
f1d964bfc16e6adf384377428e4fc81d
sha1
11a25510be710624ad7bc5820e42e0a17d6e4fb1
sha256
d237a4a5eac80444b4baa45965d1c3d61a2310ae0784dfcd687b51e3ffa9bf3c
sha512
a120d9194d92d538697b0a49575e6e1dba217422c3d25104319446c23e9320077f2b54ebd7d842dfc59ef72e1e2b734f71df9f88f06aa2f7e45d793039a61c24
ripemd-160
60d3dfe70b93dc835b35c6ce722879739ce3374f
Diameter
299479456
Circumference
940842458.87067
Area
7.0440746941072E+16
Volume
1.4063704382764E+25
Surface area
2.8176298776429E+17
Circumference
940842458.87067
Perimeter
598958912
Area
22421986141513984
Diagonal
211763954.16366
Surface area
134531916849083904
Volume
3.3574621060501E+24
Space diagonal
259356816.80754
Perimeter
449219184
Area
9.7090048009269E+15
Altitude
129678408.40377
Surface area
9.7090048009269E+15
Volume
3.9568070379415E+23
Height
70587984.721219