149742181 is an odd 9-digits composite number following 149742180
and preceding 149742182 . In scientific notation, it is written as 1.49742181 × 10^8.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 149702764 positive integers (up to 149742181) that are relatively prime to 149742181.
149742181 has 4 divisors, whose sum is 149781600
The reverse of 149742181 is 181247941
Previous prime number is 4259
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred forty-nine million seven hundred forty-two thousand one hundred eighty-one
Scientific notation
1.49742181 × 10^8
Engineering notation
1.49742181 × 10^6
Prime Factorization
4259 × 35159
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
149742181
Product of the distinct prime numbers
The prime factorization of 149742181 is 4259 × 35159.
Since it has a total of 2 prime factors.
6 , 5 , 73 , 31 , 640 , 841 , 6478 , 8218 , 55046 , 12775 , 167758 , 145072 , 3881152 , 2809672 , 6264907 , 35976855 , 408693096 , 470602397 , 4211683498 , 8314364206
n×2
299484362
n×3
449226543
n×4
598968724
n×5
748710905
n÷2
74871090.5
n÷3
49914060.333333
n÷3
37435545.25
n÷5
29948436.2
n2
22422720770636761
n3
3.3576271121491E+24
n4
5.0277840675795E+32
n5
7.528713518764E+40
2 √n
12236.918770671
3 √n
531.02469493832
4 √n
110.62060735085
5 √n
43.158747324708
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
-149742180
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 149742181 can be divided by 4 positive divisors.
The sum of these divisors (counting 149742181) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000111011001110001001100101
3
Ternary
101102202200122201
4
Quaternary
20323032021211
5
Quinary
301313222211
6
Senary
22505254501
8
Octal
1073161145
10
Decimal
149742181
12
Duodecimal
42194431
16
Hexadecimal
8ece265
20
Vigesimal
26fhf91
36
Base36
2h5ht1
md5
b38a98f552ddf1f19db7ad65bdcdb139
sha1
cc1ea51ba63419caf66840081faae8eee9920885
sha256
bf4e86e6acbc74a2527588ec58f60769c06de7a4102c53693a60a0896a208a9f
sha512
4acb8ee54db85bd9163ce59f74bb93b8626d7d7e85ac33a3411b9bc2151c851745f5831a828fd8911013ae7e10b20f7169f99f67fce63746d40e74ffa9d1b009
ripemd-160
7aae9866e17b111feb01c65f127f64d3008b5a18
Diameter
299484362
Circumference
940857871.52423
Area
7.0443054846528E+16
Volume
1.4064395558696E+25
Surface area
2.8177221938611E+17
Circumference
940857871.52423
Perimeter
598968724
Area
22422720770636761
Diagonal
211767423.22953
Surface area
134536324623820566
Volume
3.3576271121491E+24
Space diagonal
259361065.52817
Perimeter
449226543
Area
9.7093229046682E+15
Altitude
129680532.76409
Surface area
9.7093229046682E+15
Volume
3.9570014994941E+23
Height
70589141.076509