9921 (number)

9921 is an odd 4-digits composite number following 9920 and preceding 9922. In scientific notation, it is written as 9.921 × 10^3. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 6612 positive integers (up to 9921) that are relatively prime to 9921.

Interesting facts

Basic properties

Name

Name nine thousand nine hundred twenty-one

Notation

Scientific notation 9.921 × 10^3
Engineering notation 9.921 × 10^3

Prime Factorization of 9921

Prime Factorization 3 × 3307

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 9921
Product of the distinct prime numbers

The prime factorization of 9921 is 3 × 3307. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 9, 14, 54, 713, 835, 7714, 1560, 22827, 46427, 442692, 333087, 3029252, 9965527, 50611431, 65701423, 366107500, 767122774, 9609139660, 1459090762

Basic calculations (n = 9921)

Multiplication

n×y
n×2 19842
n×3 29763
n×4 39684
n×5 49605

Division

n÷y
n÷2 4960.5
n÷3 3307
n÷3 2480.25
n÷5 1984.2

Exponentiation

ny
n2 98426241
n3 976486736961
n4 9687724917390081
n5 9.6111918905427E+19

Nth Root

y√n
2√n 99.604216778207
3√n 21.48746339624
4√n 9.9801912195211
5√n 6.2995726661686

Divisors of 9921

1, 3, 3307, 9921

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 -9920
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 9921 can be divided by 4 positive divisors. The sum of these divisors (counting 9921) is 1, the average is 0.25.

Base conversion 9921

Base System Value
2 Binary 10011011000001
3 Ternary 111121110
4 Quaternary 2123001
5 Quinary 304141
6 Senary 113533
8 Octal 23301
10 Decimal 9921
12 Duodecimal 58a9
16 Hexadecimal 26c1
20 Vigesimal 14g1
36 Base36 7nl

Cryptographic Hash Functions

md5 79a9887268cef1276b3c9e33cc29580f
sha1 bcd6d0b860cd790de05550735e5ca0b72eca303e
sha256 a896653291d864fbafc95dbe32b23b301994906cc054c4a07f38f1f8bdfacf0f
sha512 87c0ce178abc085f89239d05e4543f56b7ff60c6c49b7a0d40fc8ceb1fe5fecb3a26eb3c0bd0f57714b01a11cd048c2a60e331bfedf843b964d7edaa41dbd83f
ripemd-160 75947d77af83ba18085b80c5ef6dc881e80f5db2

9921 as geometric shapes

Circle

Radius = n
Diameter 19842
Circumference 62335.481432529
Area 309215155.64606

Sphere

Radius = n
Volume 4090298078886.1
Surface area 1236860622.5842
Circumference 62335.481432529

Square

Length = n
Perimeter 39684
Area 98426241
Diagonal 14030.412752303

Cube

Length = n
Surface area 590557446
Volume 976486736961
Space diagonal 17183.676061891

Equilateral Triangle

Length = n
Perimeter 29763
Area 42619812.552505
Altitude 8591.8380309454

Triangular Pyramid

Length = n
Surface area 42619812.552505
Volume 115080065573.97
Height 4676.8042507678