21342681 (number)

21342681 is an odd 8-digits composite number following 21342680 and preceding 21342682. In scientific notation, it is written as 2.1342681 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 18 positive divisors. There are 13477536 positive integers (up to 21342681) that are relatively prime to 21342681.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred forty-two thousand six hundred eighty-one

Notation

Scientific notation 2.1342681 × 10^7
Engineering notation 2.1342681 × 10^6

Prime Factorization of 21342681

Prime Factorization 3 × 3 × 19 × 19 × 6569

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 374433
Product of the distinct prime numbers

The prime factorization of 21342681 is 3 × 3 × 19 × 19 × 6569. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21342681)

Multiplication

n×y
n×2 42685362
n×3 64028043
n×4 85370724
n×5 106713405

Division

n÷y
n÷2 10671340.5
n÷3 7114227
n÷3 5335670.25
n÷5 4268536.2

Exponentiation

ny
n2 455510032267761
n3 9.7218053109905E+21
n4 2.0748938949658E+29
n5 4.4283798509102E+36

Nth Root

y√n
2√n 4619.8139572931
3√n 277.38501201313
4√n 67.969213304945
5√n 29.231412035706

Divisors of 21342681

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21342680
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21342681 can be divided by 18 positive divisors. The sum of these divisors (counting 21342681) is 1, the average is 0.055555555555556.

Base conversion 21342681

Base System Value
2 Binary 1010001011010100111011001
3 Ternary 1111011022122200
4 Quaternary 1101122213121
5 Quinary 20430431211
6 Senary 2041240413
8 Octal 121324731
10 Decimal 21342681
12 Duodecimal 7193109
16 Hexadecimal 145a9d9
20 Vigesimal 6d7ge1
36 Base36 cpg49

Cryptographic Hash Functions

md5 a582f8c4dff67a56c7a1cfe2bc04f71f
sha1 e381119cc1d306560429fdb90fc42da82a5773c8
sha256 4f05246e601042f6edfe2acfd59a228d0f684aa07c8a693b2da5109200b782f2
sha512 ab56bccaa30bbc1d5d92996d999eee0a3ab32acc7fdb89f94a57f4c1a345a9f97e371044d0d674ab2bd8b998ccd99a31b9765c9f394c3ebfc04abc2fa168e1ce
ripemd-160 a7fbeeda57111515c91c02dcdf65ea1e1a4954ac

21342681 as geometric shapes

Circle

Radius = n
Diameter 42685362
Circumference 134100019.67502
Area 1.4310269710088E+15

Sphere

Radius = n
Volume 4.0722602859517E+22
Surface area 5.7241078840354E+15
Circumference 134100019.67502

Square

Length = n
Perimeter 85370724
Area 455510032267761
Diagonal 30183108.927603

Cube

Length = n
Surface area 2733060193606566
Volume 9.7218053109905E+21
Space diagonal 36966607.861735

Equilateral Triangle

Length = n
Perimeter 64028043
Area 1.9724162981128E+14
Altitude 18483303.930867

Triangular Pyramid

Length = n
Surface area 1.9724162981128E+14
Volume 1.1457257434628E+21
Height 10061036.309201