21490864 (number)

21490864 is an even 8-digits composite number following 21490863 and preceding 21490865. In scientific notation, it is written as 2.1490864 × 10^7. The sum of its digits is 34. It has a total of 6 prime factors and 20 positive divisors. There are 10542272 positive integers (up to 21490864) that are relatively prime to 21490864.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety thousand eight hundred sixty-four

Notation

Scientific notation 2.1490864 × 10^7
Engineering notation 2.1490864 × 10^6

Prime Factorization of 21490864

Prime Factorization 2 × 2 × 2 × 2 × 53 × 25343

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2686358
Product of the distinct prime numbers

The prime factorization of 21490864 is 2 × 2 × 2 × 2 × 53 × 25343. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21490864)

Multiplication

n×y
n×2 42981728
n×3 64472592
n×4 85963456
n×5 107454320

Division

n÷y
n÷2 10745432
n÷3 7163621.3333333
n÷3 5372716
n÷5 4298172.8

Exponentiation

ny
n2 461857235466496
n3 9.9257110348264E+21
n4 2.1331210595275E+29
n5 4.5842614585842E+36

Nth Root

y√n
2√n 4635.8239828535
3√n 278.02549668675
4√n 68.086885542324
5√n 29.271890721812

Divisors of 21490864

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21490863
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21490864 can be divided by 20 positive divisors. The sum of these divisors (counting 21490864) is 1, the average is 0.05.

Base conversion 21490864

Base System Value
2 Binary 1010001111110110010110000
3 Ternary 1111102211220221
4 Quaternary 1101332302300
5 Quinary 21000201424
6 Senary 2044342424
8 Octal 121766260
10 Decimal 21490864
12 Duodecimal 7244a14
16 Hexadecimal 147ecb0
20 Vigesimal 6e6734
36 Base36 csmgg

Cryptographic Hash Functions

md5 2fd1ed65cd36150e5c09f533cdef5ca5
sha1 f0f81383f2a72d6e5d9b60c592e2425fb6901046
sha256 74f390b2bd3d449ee2467b91d813300e791040a889343f6cb90980dacb7b8227
sha512 c54f13ffc0a46cce9e1ed587fd4b6d3665482fc0035bafa5436f599f1761360c53ea2fe18953b236a52128761bd4eb2809e610d0976501b06dd741a816a329e8
ripemd-160 1cb134e86c59ef1cfaa9cc9699963587e0785dc5

21490864 as geometric shapes

Circle

Radius = n
Diameter 42981728
Circumference 135031080.92339
Area 1.4509672979488E+15

Sphere

Radius = n
Volume 4.1576721158221E+22
Surface area 5.8038691917953E+15
Circumference 135031080.92339

Square

Length = n
Perimeter 85963456
Area 461857235466496
Diagonal 30392671.335916

Cube

Length = n
Surface area 2771143412798976
Volume 9.9257110348264E+21
Space diagonal 37223268.346553

Equilateral Triangle

Length = n
Perimeter 64472592
Area 1.9999004941782E+14
Altitude 18611634.173276

Triangular Pyramid

Length = n
Surface area 1.9999004941782E+14
Volume 1.1697562634707E+21
Height 10130890.445305