191720149 (number)

191720149 is an odd 9-digits composite number following 191720148 and preceding 191720150. In scientific notation, it is written as 1.91720149 × 10^8. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 191438764 positive integers (up to 191720149) that are relatively prime to 191720149.

Interesting facts

Basic properties

Name

Name one hundred ninety-one million seven hundred twenty thousand one hundred forty-nine

Notation

Scientific notation 1.91720149 × 10^8
Engineering notation 1.91720149 × 10^6

Prime Factorization of 191720149

Prime Factorization 683 × 280703

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 191720149
Product of the distinct prime numbers

The prime factorization of 191720149 is 683 × 280703. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 191720149)

Multiplication

n×y
n×2 383440298
n×3 575160447
n×4 766880596
n×5 958600745

Division

n÷y
n÷2 95860074.5
n÷3 63906716.333333
n÷3 47930037.25
n÷5 38344029.8

Exponentiation

ny
n2 36756615532582201
n3 7.0469838066424E+24
n4 1.3510487854101E+33
n5 2.5902327444509E+41

Nth Root

y√n
2√n 13846.304525035
3√n 576.61940365021
4√n 117.6703213433
5√n 45.345432819481

Divisors of 191720149

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 -191720148
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 191720149 can be divided by 4 positive divisors. The sum of these divisors (counting 191720149) is 1, the average is 0.25.

Base conversion 191720149

Base System Value
2 Binary 1011011011010110101011010101
3 Ternary 111100202101121021
4 Quaternary 23123112223111
5 Quinary 343040021044
6 Senary 31005121141
8 Octal 1333265325
10 Decimal 191720149
12 Duodecimal 542591b1
16 Hexadecimal b6d6ad5
20 Vigesimal 2ji5079
36 Base36 36587p

Cryptographic Hash Functions

md5 eea053f4278e71470cd3f15cb79ad8a3
sha1 4e9b703395dbbde1b466c9ef47099be47ac31541
sha256 25b1f5d0c47043bd182dda1bc549bd85a57e44bab68dfd4c08d4755a404fa184
sha512 023581da952b06cbc1321cdbc08e08242473fa90335ed769fc06b3afeee274b7896a0f9553a4294c50762a003f6f791a4a885711e4bd973ad39aa97e808b6ef1
ripemd-160 6c7510ec305ec4ba47304d45a6e040fa307ccb56

191720149 as geometric shapes

Circle

Radius = n
Diameter 383440298
Circumference 1204613223.2871
Area 1.1547431332798E+17

Sphere

Radius = n
Volume 2.9518336742552E+25
Surface area 4.6189725331194E+17
Circumference 1204613223.2871

Square

Length = n
Perimeter 766880596
Area 36756615532582201
Diagonal 271133234.89599

Cube

Length = n
Surface area 220539693195493206
Volume 7.0469838066424E+24
Space diagonal 332069038.90268

Equilateral Triangle

Length = n
Perimeter 575160447
Area 1.5916081404177E+16
Altitude 166034519.45134

Triangular Pyramid

Length = n
Surface area 1.5916081404177E+16
Volume 8.304950060981E+23
Height 90377744.96533