21490215 (number)

21490215 is an odd 8-digits composite number following 21490214 and preceding 21490216. In scientific notation, it is written as 2.1490215 × 10^7. The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors. There are 11461440 positive integers (up to 21490215) that are relatively prime to 21490215.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety thousand two hundred fifteen

Notation

Scientific notation 2.1490215 × 10^7
Engineering notation 2.1490215 × 10^6

Prime Factorization of 21490215

Prime Factorization 15 × 1432681

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21490215
Product of the distinct prime numbers

The prime factorization of 21490215 is 15 × 1432681. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21490215)

Multiplication

n×y
n×2 42980430
n×3 64470645
n×4 85960860
n×5 107451075

Division

n÷y
n÷2 10745107.5
n÷3 7163405
n÷3 5372553.75
n÷5 4298043

Exponentiation

ny
n2 461829340746225
n3 9.9248118259446E+21
n4 2.1328633997409E+29
n5 4.5835693026063E+36

Nth Root

y√n
2√n 4635.7539839815
3√n 278.02269797247
4√n 68.086371499599
5√n 29.271713924019

Divisors of 21490215

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21490214
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21490215 can be divided by 4 positive divisors. The sum of these divisors (counting 21490215) is 1, the average is 0.25.

Base conversion 21490215

Base System Value
2 Binary 1010001111110101000100111
3 Ternary 1111102211000220
4 Quaternary 1101332220213
5 Quinary 21000141330
6 Senary 2044335423
8 Octal 121765047
10 Decimal 21490215
12 Duodecimal 7244573
16 Hexadecimal 147ea27
20 Vigesimal 6e65af
36 Base36 cslyf

Cryptographic Hash Functions

md5 a1358a8e768b8d4f6068722b02e0d215
sha1 ff0d6d00cef1b96136657dbffa08a2ed8576ec4e
sha256 83675f90514086755f8fb0707021ecb17b1958e6f34790d78d66ff8bd27f9cc9
sha512 d3fadce189881e0f5629c7afe723558cc35848e5c9ec4d4f4fcee4707da536abeff7272dca06126f5709a0d27ad912a0a0e77a2a03b3fbfccb95818a599b1a2e
ripemd-160 f0d45cf6bfb19655ee47f6fcab315df627b20669

21490215 as geometric shapes

Circle

Radius = n
Diameter 42980430
Circumference 135027003.13613
Area 1.4508796641006E+15

Sphere

Radius = n
Volume 4.1572954560865E+22
Surface area 5.8035186564022E+15
Circumference 135027003.13613

Square

Length = n
Perimeter 85960860
Area 461829340746225
Diagonal 30391753.511314

Cube

Length = n
Surface area 2770976044477350
Volume 9.9248118259446E+21
Space diagonal 37222144.245579

Equilateral Triangle

Length = n
Perimeter 64470645
Area 1.9997797064963E+14
Altitude 18611072.122789

Triangular Pyramid

Length = n
Surface area 1.9997797064963E+14
Volume 1.1696502906876E+21
Height 10130584.503771