21497745 (number)

21497745 is an odd 8-digits composite number following 21497744 and preceding 21497746. In scientific notation, it is written as 2.1497745 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 11414400 positive integers (up to 21497745) that are relatively prime to 21497745.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1497745 × 10^7
Engineering notation 2.1497745 × 10^6

Prime Factorization of 21497745

Prime Factorization 3 × 5 × 233 × 6151

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21497745
Product of the distinct prime numbers

The prime factorization of 21497745 is 3 × 5 × 233 × 6151. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 10, 3, 38, 480, 980, 8550, 1554, 17098, 71973, 949458, 270481, 405068, 8542762, 55892152, 67582848, 931571398, 607925538, 4635822942, 4388647896

Basic calculations (n = 21497745)

Multiplication

n×y
n×2 42995490
n×3 64493235
n×4 85990980
n×5 107488725

Division

n÷y
n÷2 10748872.5
n÷3 7165915
n÷3 5374436.25
n÷5 4299549

Exponentiation

ny
n2 462153040085025
n3 9.9352482067226E+21
n4 2.1358543245983E+29
n5 4.5916051627362E+36

Nth Root

y√n
2√n 4636.566078468
3√n 278.05516649278
4√n 68.092334946512
5√n 29.273764951611

Divisors of 21497745

1, 3, 5, 15, 233, 699, 1165, 3495, 6151, 18453, 30755, 92265, 1433183, 4299549, 7165915, 21497745

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21497744
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21497745 can be divided by 16 positive divisors. The sum of these divisors (counting 21497745) is 1, the average is 0.0625.

Base conversion 21497745

Base System Value
2 Binary 1010010000000011110010001
3 Ternary 1111110012100210
4 Quaternary 1102000132101
5 Quinary 21000411440
6 Senary 2044434333
8 Octal 122003621
10 Decimal 21497745
12 Duodecimal 72489a9
16 Hexadecimal 1480791
20 Vigesimal 6e7475
36 Base36 csrrl

Cryptographic Hash Functions

md5 b9c9e59362cd64531f0b26f58b4f94d3
sha1 4259db3a631da95ed5a75f38b1d44b8eef11409f
sha256 45bff8b28b44614e634e18b18305961bec520945f9cbd24d17402a890a5b9536
sha512 c5031c6135260a55d602436784bfcd162751ae26e2d2c1e93fa4129a24fd737992f9f1cb3f9d5217bcd1ad2ef8d2e347f820b1736fbf2038205f47602fa20d97
ripemd-160 9a9c1f16c1d4b51697ccb252e87ed75def4732f6

21497745 as geometric shapes

Circle

Radius = n
Diameter 42995490
Circumference 135074315.52149
Area 1.4518965955653E+15

Sphere

Radius = n
Volume 4.1616670370441E+22
Surface area 5.8075863822612E+15
Circumference 135074315.52149

Square

Length = n
Perimeter 85990980
Area 462153040085025
Diagonal 30402402.539438

Cube

Length = n
Surface area 2772918240510150
Volume 9.9352482067226E+21
Space diagonal 37235186.58816

Equilateral Triangle

Length = n
Perimeter 64493235
Area 2.0011813657492E+14
Altitude 18617593.29408

Triangular Pyramid

Length = n
Surface area 2.0011813657492E+14
Volume 1.1708802299575E+21
Height 10134134.179813