149 (number)

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.

Interesting facts

Basic properties

Name

Name one hundred forty-nine

Notation

Scientific notation 1.49 × 10^2
Engineering notation 1.49 × 10^0

Prime Factorization of 149

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.

Most popular turbo-numbers

Basic calculations (n = 149)

Multiplication

n×y
n×2 298
n×3 447
n×4 596
n×5 745

Division

n÷y
n÷2 74.5
n÷3 49.666666666667
n÷3 37.25
n÷5 29.8

Exponentiation

ny
n2 22201
n3 3307949
n4 492884401
n5 73439775749

Nth Root

y√n
2√n 12.206555615734
3√n 5.3014591923809
4√n 3.493788146945
5√n 2.7204281096841

Divisors of 149

1, 149

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 conversion 149

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

Cryptographic Hash Functions

md5 f2217062e9a397a1dca429e7d70bc6ca
sha1 39dfc9ffd3253c48c9af5dd55c4b3e4b4b5e6229
sha256 05ada863a4cf9660fd8c68e2295f1d35b2264815f5b605003d6625bd9e0492cf
sha512 075a601f4ce903c2ec41c8a17bc2205ea783b065eeb64f8d2c63fa76dfc1c5607f9517f482c057976fc3a0f161621218bfab855fb943e3bd073fd5637169f97e
ripemd-160 9ed2db847e72e59b230d0eef9892b2bdd3ae352f

149 as geometric shapes

Circle

Radius = n
Diameter 298
Circumference 936.19461076976
Area 69746.498502347

Sphere

Radius = n
Volume 13856304.369133
Surface area 278985.99400939
Circumference 936.19461076976

Square

Length = n
Perimeter 596
Area 22201
Diagonal 210.71782079359

Cube

Length = n
Surface area 133206
Volume 3307949
Space diagonal 258.07557032776

Equilateral Triangle

Length = n
Perimeter 447
Area 9613.3149947092
Altitude 129.03778516388

Triangular Pyramid

Length = n
Surface area 9613.3149947092
Volume 389845.52828654
Height 70.239273597864