21497816 (number)

21497816 is an even 8-digits composite number following 21497815 and preceding 21497817. In scientific notation, it is written as 2.1497816 × 10^7. The sum of its digits is 38. It has a total of 6 prime factors and 32 positive divisors. There are 9830016 positive integers (up to 21497816) that are relatively prime to 21497816.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-seven thousand eight hundred sixteen

Notation

Scientific notation 2.1497816 × 10^7
Engineering notation 2.1497816 × 10^6

Prime Factorization of 21497816

Prime Factorization 2 × 2 × 2 × 19 × 29 × 4877

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5374454
Product of the distinct prime numbers

The prime factorization of 21497816 is 2 × 2 × 2 × 19 × 29 × 4877. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21497816)

Multiplication

n×y
n×2 42995632
n×3 64493448
n×4 85991264
n×5 107489080

Division

n÷y
n÷2 10748908
n÷3 7165938.6666667
n÷3 5374454
n÷5 4299563.2

Exponentiation

ny
n2 462156092769856
n3 9.9353466456453E+21
n4 2.135882540843E+29
n5 4.5916809860655E+36

Nth Root

y√n
2√n 4636.5737349901
3√n 278.05547260078
4√n 68.092391168104
5√n 29.273784287914

Divisors of 21497816

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21497815
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21497816 can be divided by 32 positive divisors. The sum of these divisors (counting 21497816) is 1, the average is 0.03125.

Base conversion 21497816

Base System Value
2 Binary 1010010000000011111011000
3 Ternary 1111110012110102
4 Quaternary 1102000133120
5 Quinary 21000412231
6 Senary 2044434532
8 Octal 122003730
10 Decimal 21497816
12 Duodecimal 7248a48
16 Hexadecimal 14807d8
20 Vigesimal 6e74ag
36 Base36 csrtk

Cryptographic Hash Functions

md5 c8bfe3234319880c15adc2f23cbdacb0
sha1 786d37c14f52bf9a6df2298943f9903f05c93af5
sha256 29af12eda4c7119737d86900d3dfe73481b96f01c404b864a261dca53d77c9b7
sha512 d2e1e846449507b26184e7fedeb9fa41ba5fcb9b64bce58b3867e24ebedf7098283d82fe16d12f37bb2f4eefff48422397894ec7fbf411760299b25617e6cb62
ripemd-160 b44a7c9c13333d453844d9c621b03870d363766b

21497816 as geometric shapes

Circle

Radius = n
Diameter 42995632
Circumference 135074761.62765
Area 1.4519061858575E+15

Sphere

Radius = n
Volume 4.1617082710436E+22
Surface area 5.8076247434302E+15
Circumference 135074761.62765

Square

Length = n
Perimeter 85991264
Area 462156092769856
Diagonal 30402502.948601

Cube

Length = n
Surface area 2772936556619136
Volume 9.9353466456453E+21
Space diagonal 37235309.563767

Equilateral Triangle

Length = n
Perimeter 64493448
Area 2.0011945842623E+14
Altitude 18617654.781884

Triangular Pyramid

Length = n
Surface area 2.0011945842623E+14
Volume 1.1708918310958E+21
Height 10134167.649534