21497515 (number)

21497515 is an odd 8-digits composite number following 21497514 and preceding 21497516. In scientific notation, it is written as 2.1497515 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 15875040 positive integers (up to 21497515) that are relatively prime to 21497515.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-seven thousand five hundred fifteen

Notation

Scientific notation 2.1497515 × 10^7
Engineering notation 2.1497515 × 10^6

Prime Factorization of 21497515

Prime Factorization 5 × 13 × 330731

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21497515
Product of the distinct prime numbers

The prime factorization of 21497515 is 5 × 13 × 330731. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21497515)

Multiplication

n×y
n×2 42995030
n×3 64492545
n×4 85990060
n×5 107487575

Division

n÷y
n÷2 10748757.5
n÷3 7165838.3333333
n÷3 5374378.75
n÷5 4299503

Exponentiation

ny
n2 462143151175225
n3 9.9349293245367E+21
n4 2.1357629217817E+29
n5 4.5913595447445E+36

Nth Root

y√n
2√n 4636.5412755631
3√n 278.0541748707
4√n 68.092152819272
5√n 29.273702312532

Divisors of 21497515

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 -21497514
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 21497515 can be divided by 8 positive divisors. The sum of these divisors (counting 21497515) is 1, the average is 0.125.

Base conversion 21497515

Base System Value
2 Binary 1010010000000011010101011
3 Ternary 1111110012001021
4 Quaternary 1102000122223
5 Quinary 21000410030
6 Senary 2044433311
8 Octal 122003253
10 Decimal 21497515
12 Duodecimal 7248837
16 Hexadecimal 14806ab
20 Vigesimal 6e73ff
36 Base36 csrl7

Cryptographic Hash Functions

md5 50d9c8de1f4c28cc961af8711847068d
sha1 6e719878c08e3089340d499c33317dbe2f1920a6
sha256 951de7db0469328eed9116e935a1efb39e7fa56de4d40909c8534fb1de9a4c69
sha512 2b23197ad7266d49428edec0adf0722682633c05fe0513cab519a59b56f073576c065146c0732ea7c6a1a2e16b0c24b31f9dc304677f4a187726c7c25d177e78
ripemd-160 c9d8e2e49d80412060a79b5ea095fa11ef91ac5f

21497515 as geometric shapes

Circle

Radius = n
Diameter 42995030
Circumference 135072870.38887
Area 1.4518655286389E+15

Sphere

Radius = n
Volume 4.1615334639864E+22
Surface area 5.8074621145557E+15
Circumference 135072870.38887

Square

Length = n
Perimeter 85990060
Area 462143151175225
Diagonal 30402077.270319

Cube

Length = n
Surface area 2772858907051350
Volume 9.9349293245367E+21
Space diagonal 37234788.216474

Equilateral Triangle

Length = n
Perimeter 64492545
Area 2.0011385455137E+14
Altitude 18617394.108237

Triangular Pyramid

Length = n
Surface area 2.0011385455137E+14
Volume 1.1708426493315E+21
Height 10134025.756773