21494864 (number)

21494864 is an even 8-digits composite number following 21494863 and preceding 21494865. In scientific notation, it is written as 2.1494864 × 10^7. The sum of its digits is 38. It has a total of 6 prime factors and 20 positive divisors. There are 10642272 positive integers (up to 21494864) that are relatively prime to 21494864.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1494864 × 10^7
Engineering notation 2.1494864 × 10^6

Prime Factorization of 21494864

Prime Factorization 2 × 2 × 2 × 2 × 103 × 13043

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2686858
Product of the distinct prime numbers

The prime factorization of 21494864 is 2 × 2 × 2 × 2 × 103 × 13043. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 4, 42, 100, 601, 70, 707, 2819, 10470, 18628, 176333, 925588, 8509070, 947270, 5760254, 66963753, 936358634, 42173992, 9732827077, 6586460510

Basic calculations (n = 21494864)

Multiplication

n×y
n×2 42989728
n×3 64484592
n×4 85979456
n×5 107474320

Division

n÷y
n÷2 10747432
n÷3 7164954.6666667
n÷3 5373716
n÷5 4298972.8

Exponentiation

ny
n2 462029178378496
n3 9.9312543532775E+21
n4 2.1347096167311E+29
n5 4.5885292891127E+36

Nth Root

y√n
2√n 4636.2553855455
3√n 278.04274483767
4√n 68.090053499359
5√n 29.272980290353

Divisors of 21494864

1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 13043, 26086, 52172, 104344, 208688, 1343429, 2686858, 5373716, 10747432, 21494864

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 -21494863
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 21494864 can be divided by 20 positive divisors. The sum of these divisors (counting 21494864) is 1, the average is 0.05.

Base conversion 21494864

Base System Value
2 Binary 1010001111111110001010000
3 Ternary 1111110001102002
4 Quaternary 1101333301100
5 Quinary 21000313424
6 Senary 2044413132
8 Octal 121776120
10 Decimal 21494864
12 Duodecimal 72471a8
16 Hexadecimal 147fc50
20 Vigesimal 6e6h34
36 Base36 cspjk

Cryptographic Hash Functions

md5 415545c4f8a98b4a27b6987006618d1f
sha1 d49f85279a8ea52bf19172007fd28377b8d9becd
sha256 64106558095152658bd2d1a57f976b22a1df4efd7ccfb0cf2134eb19d01a7b1d
sha512 85ee47d271c34f1b136601a7e87a2c99c095ca5b6b8ba8dceba1322889ef20694d992259142204344c828a63cd3ab6f617cba522494101478c5cdb0a889667f0
ripemd-160 1a2527634b36f32e9bb6ddfdeb6e6a4d7ad64cf9

21494864 as geometric shapes

Circle

Radius = n
Diameter 42989728
Circumference 135056213.66462
Area 1.451507472538E+15

Sphere

Radius = n
Volume 4.1599940956251E+22
Surface area 5.806029890152E+15
Circumference 135056213.66462

Square

Length = n
Perimeter 85979456
Area 462029178378496
Diagonal 30398328.190165

Cube

Length = n
Surface area 2772175070270976
Volume 9.9312543532775E+21
Space diagonal 37230196.549783

Equilateral Triangle

Length = n
Perimeter 64484592
Area 2.0006450288271E+14
Altitude 18615098.274892

Triangular Pyramid

Length = n
Surface area 2.0006450288271E+14
Volume 1.1704095498152E+21
Height 10132776.063388