21331954 (number)

21331954 is an even 8-digits composite number following 21331953 and preceding 21331955. In scientific notation, it is written as 2.1331954 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 9053856 positive integers (up to 21331954) that are relatively prime to 21331954.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1331954 × 10^7
Engineering notation 2.1331954 × 10^6

Prime Factorization of 21331954

Prime Factorization 2 × 7 × 763 × 1997

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21331954
Product of the distinct prime numbers

The prime factorization of 21331954 is 2 × 7 × 763 × 1997. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21331954)

Multiplication

n×y
n×2 42663908
n×3 63995862
n×4 85327816
n×5 106659770

Division

n÷y
n÷2 10665977
n÷3 7110651.3333333
n÷3 5332988.5
n÷5 4266390.8

Exponentiation

ny
n2 455052261458116
n3 9.7071539090205E+21
n4 2.0707256065815E+29
n5 4.4172623386218E+36

Nth Root

y√n
2√n 4618.65283389
3√n 277.33853225944
4√n 67.960671228954
5√n 29.228473057083

Divisors of 21331954

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21331953
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21331954 can be divided by 16 positive divisors. The sum of these divisors (counting 21331954) is 1, the average is 0.0625.

Base conversion 21331954

Base System Value
2 Binary 1010001010111111111110010
3 Ternary 1111010202221101
4 Quaternary 1101113333302
5 Quinary 20430110304
6 Senary 2041115014
8 Octal 121277762
10 Decimal 21331954
12 Duodecimal 7188a6a
16 Hexadecimal 1457ff2
20 Vigesimal 6d69he
36 Base36 cp7ua

Cryptographic Hash Functions

md5 649cd15cdd1f7b49e0ab038e32464ec9
sha1 ba8679726c3038807872343694d53a73eb9d6a74
sha256 84d8cee0263e9fffc654d4b7a6bc510d5d96e6166ef84f68d3e28bb254f9f31e
sha512 d096e2c34d59c29d8dcee6e6ee2e901d22a417aa8f3f6f4724c61253b2b1dc5cc52743981d8defb172c08b2ab1ccf17b8c473db80685d3260d664e5ce1a41b3a
ripemd-160 e2ad45b47ea9218dd3184b7dea2644bc0bd72b8a

21331954 as geometric shapes

Circle

Radius = n
Diameter 42663908
Circumference 134032619.94623
Area 1.4295888415962E+15

Sphere

Radius = n
Volume 4.0661231210459E+22
Surface area 5.718355366385E+15
Circumference 134032619.94623

Square

Length = n
Perimeter 85327816
Area 455052261458116
Diagonal 30167938.658719

Cube

Length = n
Surface area 2730313568748696
Volume 9.7071539090205E+21
Space diagonal 36948028.152722

Equilateral Triangle

Length = n
Perimeter 63995862
Area 1.9704340923614E+14
Altitude 18474014.076361

Triangular Pyramid

Length = n
Surface area 1.9704340923614E+14
Volume 1.1439990591817E+21
Height 10055979.552906