191921 (number)

191921 is an odd 6-digits composite number following 191920 and preceding 191922. In scientific notation, it is written as 1.91921 × 10^5. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 180000 positive integers (up to 191921) that are relatively prime to 191921.

Interesting facts

Basic properties

Name

Name one hundred ninety-one thousand nine hundred twenty-one

Notation

Scientific notation 1.91921 × 10^5
Engineering notation 1.91921 × 10^3

Prime Factorization of 191921

Prime Factorization 41 × 31 × 151

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 191921
Product of the distinct prime numbers

The prime factorization of 191921 is 41 × 31 × 151. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 191921)

Multiplication

n×y
n×2 383842
n×3 575763
n×4 767684
n×5 959605

Division

n÷y
n÷2 95960.5
n÷3 63973.666666667
n÷3 47980.25
n÷5 38384.2

Exponentiation

ny
n2 36833670241
n3 7069154826322961
n4 1.3567192634227E+21
n5 2.6038291775535E+26

Nth Root

y√n
2√n 438.08789072514
3√n 57.682069385456
4√n 20.930549221775
5√n 11.392643289443

Divisors of 191921

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -191920
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 191921 can be divided by 8 positive divisors. The sum of these divisors (counting 191921) is 1, the average is 0.125.

Base conversion 191921

Base System Value
2 Binary 101110110110110001
3 Ternary 100202021012
4 Quaternary 232312301
5 Quinary 22120141
6 Senary 4040305
8 Octal 566661
10 Decimal 191921
12 Duodecimal 93095
16 Hexadecimal 2edb1
20 Vigesimal 13jg1
36 Base36 4435

Cryptographic Hash Functions

md5 10a7cce942f959bcd28eb43c7a125222
sha1 04e78626cdbe61a1d429c041e00f50b04f07e1b9
sha256 41b5e92616867c9d571e811ff54dd49f93654b4fe6fd8578e51afe1206339356
sha512 b547d8e372e0bc6d05e2868a964da84a4d7495a63955a01419ddfd1dc347468e70e90bf7478b5f8065dd5b9008027b5fff179f64c4b309422f2efcca818cbcef
ripemd-160 d8fc59a385d8de1c78d5c951dc6e22e50b591081

191921 as geometric shapes

Circle

Radius = n
Diameter 383842
Circumference 1205875.2073392
Area 115716387833.87

Sphere

Radius = n
Volume 2.961120649262E+16
Surface area 462865551335.5
Circumference 1205875.2073392

Square

Length = n
Perimeter 767684
Area 36833670241
Diagonal 271417.28110421

Cube

Length = n
Surface area 221002021446
Volume 7069154826322961
Space diagonal 332416.92303943

Equilateral Triangle

Length = n
Perimeter 575763
Area 15949447071.662
Altitude 166208.46151971

Triangular Pyramid

Length = n
Surface area 15949447071.662
Volume 8.331078858251E+14
Height 90472.427034736