39921 (number)

39921 is an odd 5-digits composite number following 39920 and preceding 39922. In scientific notation, it is written as 3.9921 × 10^4. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 22800 positive integers (up to 39921) that are relatively prime to 39921.

Interesting facts

Basic properties

Name

Name thirty-nine thousand nine hundred twenty-one

Notation

Scientific notation 3.9921 × 10^4
Engineering notation 3.9921 × 10^3

Prime Factorization of 39921

Prime Factorization 3 × 7 × 1901

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 39921
Product of the distinct prime numbers

The prime factorization of 39921 is 3 × 7 × 1901. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 39921)

Multiplication

n×y
n×2 79842
n×3 119763
n×4 159684
n×5 199605

Division

n÷y
n÷2 19960.5
n÷3 13307
n÷3 9980.25
n÷5 7984.2

Exponentiation

ny
n2 1593686241
n3 63621548426961
n4 2539835834752710081
n5 1.0139278635916E+23

Nth Root

y√n
2√n 199.80240238796
3√n 34.176989411785
4√n 14.135147766754
5√n 8.3222408877843

Divisors of 39921

1, 3, 7, 21, 1901, 5703, 13307, 39921

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 -39920
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 39921 can be divided by 8 positive divisors. The sum of these divisors (counting 39921) is 1, the average is 0.125.

Base conversion 39921

Base System Value
2 Binary 1001101111110001
3 Ternary 2000202120
4 Quaternary 21233301
5 Quinary 2234141
6 Senary 504453
8 Octal 115761
10 Decimal 39921
12 Duodecimal 1b129
16 Hexadecimal 9bf1
20 Vigesimal 4jg1
36 Base36 usx

Cryptographic Hash Functions

md5 4bb1ec1ff58ad39558e8468054bfc469
sha1 db61c57bffc6b280ee84af6e20ee9441fdb6536b
sha256 86ced86bc52bfb3b35f26e8199fcb42b68d2cd16934336f9042dc6ca50a1ab78
sha512 1f4f8d3d883c95b9f7d870af2dee8ad0feeaf35f157515f9b3278f33b90a009503b43938a72e7c9b1afee8a955d813c3fed5a25453df6675bfa49c10888c69a2
ripemd-160 7ecf8a66c38de6b2d6976cf411bd5ffa4eb278b8

39921 as geometric shapes

Circle

Radius = n
Diameter 79842
Circumference 250831.04064792
Area 5006712986.8527

Sphere

Radius = n
Volume 2.664973188642E+14
Surface area 20026851947.411
Circumference 250831.04064792

Square

Length = n
Perimeter 159684
Area 1593686241
Diagonal 56456.819623496

Cube

Length = n
Surface area 9562117446
Volume 63621548426961
Space diagonal 69145.200288957

Equilateral Triangle

Length = n
Perimeter 119763
Area 690086385.18386
Altitude 34572.600144479

Triangular Pyramid

Length = n
Surface area 690086385.18386
Volume 7497871387048.7
Height 18818.939874499