149 is an odd 3-digits prime number following 148
and preceding 150 . In scientific notation, it is written as 1.49 × 10^2.
The sum of its digits is 14. It has a total of 1 prime factors and 2 positive divisors.
There are 148 positive integers (up to 149) that are relatively prime to 149.
149 has 2 divisors, whose sum is 150
The reverse of 149 is 941
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 3
Sum of Digits 14
Digital Root 5
Name
one hundred forty-nine
Scientific notation
1.49 × 10^2
Engineering notation
1.49 × 10^0
Prime Factorization
149
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
149
Product of the distinct prime numbers
The prime factorization of 149 is 149.
Since it has a total of 1 prime factors.
7 , 5 , 59 , 10 , 603 , 767 , 8803 , 9447 , 91179 , 15041 , 256760 , 133834 , 4309484 , 3870470 , 84193579 , 99871506 , 623782440 , 273306190 , 8905745267 , 643959373
n×2
298
n×3
447
n×4
596
n×5
745
n÷2
74.5
n÷3
49.666666666667
n÷3
37.25
n÷5
29.8
n2
22201
n3
3307949
n4
492884401
n5
73439775749
2 √n
12.206555615734
3 √n
5.3014591923809
4 √n
3.493788146945
5 √n
2.7204281096841
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
150
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
75
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
12.247448713916
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9866666666667
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 149 can be divided by 2 positive divisors.
The sum of these divisors (counting 149) is 150, the average is 75.
Base
System
Value
2
Binary
10010101
3
Ternary
12112
4
Quaternary
2111
5
Quinary
1044
6
Senary
405
8
Octal
225
10
Decimal
149
12
Duodecimal
105
16
Hexadecimal
95
20
Vigesimal
79
36
Base36
45
md5
f2217062e9a397a1dca429e7d70bc6ca
sha1
39dfc9ffd3253c48c9af5dd55c4b3e4b4b5e6229
sha256
05ada863a4cf9660fd8c68e2295f1d35b2264815f5b605003d6625bd9e0492cf
sha512
075a601f4ce903c2ec41c8a17bc2205ea783b065eeb64f8d2c63fa76dfc1c5607f9517f482c057976fc3a0f161621218bfab855fb943e3bd073fd5637169f97e
ripemd-160
9ed2db847e72e59b230d0eef9892b2bdd3ae352f
Diameter
298
Circumference
936.19461076976
Area
69746.498502347
Volume
13856304.369133
Surface area
278985.99400939
Circumference
936.19461076976
Perimeter
596
Area
22201
Diagonal
210.71782079359
Surface area
133206
Volume
3307949
Space diagonal
258.07557032776
Perimeter
447
Area
9613.3149947092
Altitude
129.03778516388
Surface area
9613.3149947092
Volume
389845.52828654
Height
70.239273597864