21331921 (number)

21331921 is an odd 8-digits composite number following 21331920 and preceding 21331922. In scientific notation, it is written as 2.1331921 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 19558800 positive integers (up to 21331921) that are relatively prime to 21331921.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred thirty-one thousand nine hundred twenty-one

Notation

Scientific notation 2.1331921 × 10^7
Engineering notation 2.1331921 × 10^6

Prime Factorization of 21331921

Prime Factorization 13 × 151 × 10867

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21331921
Product of the distinct prime numbers

The prime factorization of 21331921 is 13 × 151 × 10867. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21331921)

Multiplication

n×y
n×2 42663842
n×3 63995763
n×4 85327684
n×5 106659605

Division

n÷y
n÷2 10665960.5
n÷3 7110640.3333333
n÷3 5332980.25
n÷5 4266384.2

Exponentiation

ny
n2 455050853550241
n3 9.7071088589163E+21
n4 2.070712793168E+29
n5 4.417228171755E+36

Nth Root

y√n
2√n 4618.6492614183
3√n 277.33838924744
4√n 67.960644945574
5√n 29.228464013934

Divisors of 21331921

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 -21331920
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 21331921 can be divided by 8 positive divisors. The sum of these divisors (counting 21331921) is 1, the average is 0.125.

Base conversion 21331921

Base System Value
2 Binary 1010001010111111111010001
3 Ternary 1111010202220011
4 Quaternary 1101113333101
5 Quinary 20430110141
6 Senary 2041114521
8 Octal 121277721
10 Decimal 21331921
12 Duodecimal 7188a41
16 Hexadecimal 1457fd1
20 Vigesimal 6d69g1
36 Base36 cp7td

Cryptographic Hash Functions

md5 4c8d7a14917a2d48f30ad803d44ef4cd
sha1 3014ce390419e0caee6e430d7cae5633cfd865b5
sha256 c56da12d8c0bca68e4733debac095dd041e6149b58bc289c684e9f40bb48256f
sha512 a5893720b1d766f60e9cfd1d34e891567db2620526bb92137be645cfe3ed4ab53d8491aed30fd154f5d475dd6fda0a5f9778c1b177e140030d466b9f2a912491
ripemd-160 f4e3cd20bf085ed64f50201a03508c769ea89cec

21331921 as geometric shapes

Circle

Radius = n
Diameter 42663842
Circumference 134032412.60112
Area 1.4295844185232E+15

Sphere

Radius = n
Volume 4.0661042505024E+22
Surface area 5.7183376740928E+15
Circumference 134032412.60112

Square

Length = n
Perimeter 85327684
Area 455050853550241
Diagonal 30167891.989671

Cube

Length = n
Surface area 2730305121301446
Volume 9.7071088589163E+21
Space diagonal 36947970.995045

Equilateral Triangle

Length = n
Perimeter 63995763
Area 1.9704279959415E+14
Altitude 18473985.497523

Triangular Pyramid

Length = n
Surface area 1.9704279959415E+14
Volume 1.143993749976E+21
Height 10055963.996557