149719491 is an odd 9-digits composite number following 149719490
and preceding 149719492 . In scientific notation, it is written as 1.49719491 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 95863680 positive integers (up to 149719491) that are relatively prime to 149719491.
149719491 has 16 divisors, whose sum is 173018880
The reverse of 149719491 is 194917941
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred forty-nine million seven hundred nineteen thousand four hundred ninety-one
Scientific notation
1.49719491 × 10^8
Engineering notation
1.49719491 × 10^6
Prime Factorization
9 × 31 × 137 × 3917
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
149719491
Product of the distinct prime numbers
The prime factorization of 149719491 is 9 × 31 × 137 × 3917.
Since it has a total of 4 prime factors.
2 , 5 , 69 , 35 , 555 , 317 , 5430 , 4641 , 17866 , 34395 , 571739 , 162814 , 2465090 , 3986730 , 43203423 , 1233422 , 376145168 , 523601915 , 2785815068 , 3199763140
n×2
299438982
n×3
449158473
n×4
598877964
n×5
748597455
n÷2
74859745.5
n÷3
49906497
n÷3
37429872.75
n÷5
29943898.2
n2
22415925985299081
n3
3.3561010288127E+24
n4
5.0247373777841E+32
n5
7.5230112261051E+40
2 √n
12235.991623077
3 √n
530.99787203761
4 √n
110.61641660747
5 √n
43.157439301371
1 , 9 , 31 , 137 , 279 , 1233 , 3917 , 4247 , 35253 , 38223 , 121427 , 536629 , 1092843 , 4829661 , 16635499 , 149719491
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
-149719490
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 149719491 can be divided by 16 positive divisors.
The sum of these divisors (counting 149719491) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000111011001000100111000011
3
Ternary
101102201112112100
4
Quaternary
20323020213003
5
Quinary
301312010431
6
Senary
22505001443
8
Octal
1073104703
10
Decimal
149719491
12
Duodecimal
42183283
16
Hexadecimal
8ec89c3
20
Vigesimal
26feieb
36
Base36
2h50ar
md5
577d29e60987dc9f6d2ac4873d706472
sha1
895ab0d72ae0b4f055dca577392e5de18f8457f3
sha256
9f6ec262f1c22b844638b7c8df0b6a15130d4732a1fc55deff77a46aeda16b11
sha512
e8ff6bae7e5fde7816c7b40160af1db4e5840f26a1d2f08a231842859a287ccf68b5298acf9515c9b64f1dc23befa9e739b0b0cdbc91bee961644fb9f9efeeb1
ripemd-160
5f32669a8eb25cae9095394e03a2f2d69642d7f5
Diameter
299438982
Circumference
940715306.04961
Area
7.0421708398828E+16
Volume
1.4058003115764E+25
Surface area
2.8168683359531E+17
Circumference
940715306.04961
Perimeter
598877964
Area
22415925985299081
Diagonal
211735334.7238
Surface area
134495555911794486
Volume
3.3561010288127E+24
Space diagonal
259321765.29535
Perimeter
449158473
Area
9.7063806763104E+15
Altitude
129660882.64768
Surface area
9.7063806763104E+15
Volume
3.9552029930343E+23
Height
70578444.907932