21697984 (number)

21697984 is an even 8-digits composite number following 21697983 and preceding 21697985. In scientific notation, it is written as 2.1697984 × 10^7. The sum of its digits is 46. It has a total of 10 prime factors and 112 positive divisors. There are 7741440 positive integers (up to 21697984) that are relatively prime to 21697984.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred ninety-seven thousand nine hundred eighty-four

Notation

Scientific notation 2.1697984 × 10^7
Engineering notation 2.1697984 × 10^6

Prime Factorization of 21697984

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 77 × 7 × 37 × 17

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 678062
Product of the distinct prime numbers

The prime factorization of 21697984 is 2 × 2 × 2 × 2 × 2 × 2 × 77 × 7 × 37 × 17. Since it has a total of 10 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21697984)

Multiplication

n×y
n×2 43395968
n×3 65093952
n×4 86791936
n×5 108489920

Division

n÷y
n÷2 10848992
n÷3 7232661.3333333
n÷3 5424496
n÷5 4339596.8

Exponentiation

ny
n2 470802509664256
n3 1.0215465321855E+22
n4 2.2165500310616E+29
n5 4.8094667109175E+36

Nth Root

y√n
2√n 4658.1094877643
3√n 278.91580729777
4√n 68.250344231838
5√n 29.328096521436

Divisors of 21697984

112 divisors

τ Total Divisors 112
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21697983
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0089285714285714
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 112
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21697984 can be divided by 112 positive divisors. The sum of these divisors (counting 21697984) is 1, the average is 0.0089285714285714.

Base conversion 21697984

Base System Value
2 Binary 1010010110001010111000000
3 Ternary 1111211101001001
4 Quaternary 1102301113000
5 Quinary 21023313414
6 Senary 2053021344
8 Octal 122612700
10 Decimal 21697984
12 Duodecimal 7324854
16 Hexadecimal 14b15c0
20 Vigesimal 6fc4j4
36 Base36 cx29s

Cryptographic Hash Functions

md5 93109eb0b400201874126b0b82404f49
sha1 814ace688cae5df4391ef6ddaa9bde012027c8c5
sha256 8445f601ad7b6c0b9fa3801d9eacfc9fe6ba4de387e9d0b26f5c93e7abc856c2
sha512 f00804087327018790beae520a5667ead42c7483beb717d826e6655fa13dbfa4d032412e902fa119dbdfdea852d106beb1efe507b219c5aca3d8803b79728524
ripemd-160 bc4d2c977b9be81d34de635a7af5cb396c7c8f84

21697984 as geometric shapes

Circle

Radius = n
Diameter 43395968
Circumference 136332454.26422
Area 1.4790697056529E+15

Sphere

Radius = n
Volume 4.2790441077521E+22
Surface area 5.9162788226115E+15
Circumference 136332454.26422

Square

Length = n
Perimeter 86791936
Area 470802509664256
Diagonal 30685583.248954

Cube

Length = n
Surface area 2824815057985536
Volume 1.0215465321855E+22
Space diagonal 37582010.709817

Equilateral Triangle

Length = n
Perimeter 65093952
Area 2.0386346676736E+14
Altitude 18791005.354908

Triangular Pyramid

Length = n
Surface area 2.0386346676736E+14
Volume 1.2039041336766E+21
Height 10228527.749651