21497638 (number)

21497638 is an even 8-digits composite number following 21497637 and preceding 21497639. In scientific notation, it is written as 2.1497638 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 10555272 positive integers (up to 21497638) that are relatively prime to 21497638.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-seven thousand six hundred thirty-eight

Notation

Scientific notation 2.1497638 × 10^7
Engineering notation 2.1497638 × 10^6

Prime Factorization of 21497638

Prime Factorization 2 × 359 × 79 × 379

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21497638
Product of the distinct prime numbers

The prime factorization of 21497638 is 2 × 359 × 79 × 379. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 5, 81, 20, 407, 964, 1937, 3806, 87174, 16376, 746475, 444405, 7662395, 7774543, 67383829, 28954312, 905191871, 966916481, 6759837241, 2500784487

Basic calculations (n = 21497638)

Multiplication

n×y
n×2 42995276
n×3 64492914
n×4 85990552
n×5 107488190

Division

n÷y
n÷2 10748819
n÷3 7165879.3333333
n÷3 5374409.5
n÷5 4299527.6

Exponentiation

ny
n2 462148439579044
n3 9.9350998563352E+21
n4 2.1358118020535E+29
n5 4.5914908956673E+36

Nth Root

y√n
2√n 4636.5545397418
3√n 278.05470517382
4√n 68.092250217934
5√n 29.273735810888

Divisors of 21497638

1, 2, 79, 158, 359, 379, 718, 758, 28361, 29941, 56722, 59882, 136061, 272122, 10748819, 21497638

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 -21497637
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 21497638 can be divided by 16 positive divisors. The sum of these divisors (counting 21497638) is 1, the average is 0.0625.

Base conversion 21497638

Base System Value
2 Binary 1010010000000011100100110
3 Ternary 1111110012012211
4 Quaternary 1102000130212
5 Quinary 21000411023
6 Senary 2044434034
8 Octal 122003446
10 Decimal 21497638
12 Duodecimal 724891a
16 Hexadecimal 1480726
20 Vigesimal 6e741i
36 Base36 csrom

Cryptographic Hash Functions

md5 98b3c71aa36459a1a230b97c73af27ff
sha1 6b89fcb2728a5e9e93d1bad27df3ec3783746fce
sha256 6c6d786fae82405a56a01c2c0a879b799b836e2cf04dec7259b0a99eab0c159d
sha512 e10328127c8507a07dcd32e7ca302c27c76bc46365347eb9459bda81483789fff091cd33f54b47a16580a29865212e5991fd3c83cb6f627e8b81ef20765c78a3
ripemd-160 da152bd3445b27b0c58d5d68da59633559f984de

21497638 as geometric shapes

Circle

Radius = n
Diameter 42995276
Circumference 135073643.22067
Area 1.4518821426495E+15

Sphere

Radius = n
Volume 4.1616048961791E+22
Surface area 5.807528570598E+15
Circumference 135073643.22067

Square

Length = n
Perimeter 85990552
Area 462148439579044
Diagonal 30402251.218587

Cube

Length = n
Surface area 2772890637474264
Volume 9.9350998563352E+21
Space diagonal 37235001.258723

Equilateral Triangle

Length = n
Perimeter 64492914
Area 2.0011614449739E+14
Altitude 18617500.629362

Triangular Pyramid

Length = n
Surface area 2.0011614449739E+14
Volume 1.1708627466967E+21
Height 10134083.739529