21497984 (number)

21497984 is an even 8-digits composite number following 21497983 and preceding 21497985. In scientific notation, it is written as 2.1497984 × 10^7. The sum of its digits is 44. It has a total of 8 prime factors and 16 positive divisors. There are 10748928 positive integers (up to 21497984) that are relatively prime to 21497984.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1497984 × 10^7
Engineering notation 2.1497984 × 10^6

Prime Factorization of 21497984

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 167953

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 335906
Product of the distinct prime numbers

The prime factorization of 21497984 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 167953. Since it has a total of 8 prime factors.

Most popular turbo-numbers

4, 2, 23, 92, 538, 844, 5671, 993, 3676, 19849, 78478, 198061, 8830846, 8878154, 65574339, 81933281, 782711346, 210240375, 1945927027, 6777410685

Basic calculations (n = 21497984)

Multiplication

n×y
n×2 42995968
n×3 64493952
n×4 85991936
n×5 107489920

Division

n÷y
n÷2 10748992
n÷3 7165994.6666667
n÷3 5374496
n÷5 4299596.8

Exponentiation

ny
n2 462163316064256
n3 9.9355795741363E+21
n4 2.1359493071551E+29
n5 4.5918604030031E+36

Nth Root

y√n
2√n 4636.5918517808
3√n 278.05619690998
4√n 68.092524198922
5√n 29.273830041216

Divisors of 21497984

1, 2, 4, 8, 16, 32, 64, 128, 167953, 335906, 671812, 1343624, 2687248, 5374496, 10748992, 21497984

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 -21497983
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 21497984 can be divided by 16 positive divisors. The sum of these divisors (counting 21497984) is 1, the average is 0.0625.

Base conversion 21497984

Base System Value
2 Binary 1010010000000100010000000
3 Ternary 1111110012200122
4 Quaternary 1102000202000
5 Quinary 21000413414
6 Senary 2044435412
8 Octal 122004200
10 Decimal 21497984
12 Duodecimal 7248b68
16 Hexadecimal 1480880
20 Vigesimal 6e74j4
36 Base36 csry8

Cryptographic Hash Functions

md5 39cbcefbf1bbdae47e359b073af7080c
sha1 9f90178f94590417a2f42342d5038442b3e987a5
sha256 d78722cdef6fb7edf98d111b4393988260173e2377c412a97b03e015c7cc0712
sha512 3ceff44c45ba05c09826beaa25dd12b91999ecee4fd454253986dce64cd22a30aad6be843e64aefc1e6e5fe903b70ffbfece7296ed0724a65e14bf8446493dce
ripemd-160 2d66777a4738e00a5f0edfa5077c2bdbe5299d46

21497984 as geometric shapes

Circle

Radius = n
Diameter 42995968
Circumference 135075817.20278
Area 1.4519288785062E+15

Sphere

Radius = n
Volume 4.1618058399018E+22
Surface area 5.8077155140247E+15
Circumference 135075817.20278

Square

Length = n
Perimeter 85991936
Area 462163316064256
Diagonal 30402740.53648

Cube

Length = n
Surface area 2772979896385536
Volume 9.9355795741363E+21
Space diagonal 37235600.548303

Equilateral Triangle

Length = n
Perimeter 64493952
Area 2.0012258620445E+14
Altitude 18617800.274151

Triangular Pyramid

Length = n
Surface area 2.0012258620445E+14
Volume 1.1709192819817E+21
Height 10134246.845493