21297727 (number)

21297727 is an odd 8-digits composite number following 21297726 and preceding 21297728. In scientific notation, it is written as 2.1297727 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 18208800 positive integers (up to 21297727) that are relatively prime to 21297727.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred ninety-seven thousand seven hundred twenty-seven

Notation

Scientific notation 2.1297727 × 10^7
Engineering notation 2.1297727 × 10^6

Prime Factorization of 21297727

Prime Factorization 11 × 19 × 563 × 181

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21297727
Product of the distinct prime numbers

The prime factorization of 21297727 is 11 × 19 × 563 × 181. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21297727)

Multiplication

n×y
n×2 42595454
n×3 63893181
n×4 85190908
n×5 106488635

Division

n÷y
n÷2 10648863.5
n÷3 7099242.3333333
n÷3 5324431.75
n÷5 4259545.4

Exponentiation

ny
n2 453593175366529
n3 9.6605036180195E+21
n4 2.0574676873909E+29
n5 4.3819385117373E+36

Nth Root

y√n
2√n 4614.9460451884
3√n 277.19012348664
4√n 67.933394182746
5√n 29.219087647547

Divisors of 21297727

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 -21297726
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 21297727 can be divided by 16 positive divisors. The sum of these divisors (counting 21297727) is 1, the average is 0.0625.

Base conversion 21297727

Base System Value
2 Binary 1010001001111101000111111
3 Ternary 1111002000222201
4 Quaternary 1101033220333
5 Quinary 20423011402
6 Senary 2040252331
8 Octal 121175077
10 Decimal 21297727
12 Duodecimal 71710a7
16 Hexadecimal 144fa3f
20 Vigesimal 6d2467
36 Base36 cohfj

Cryptographic Hash Functions

md5 8b5b774443e26fe8b7a0f7491cb9a589
sha1 67b10419063405843b3c09fa90e6c8da9d78cef7
sha256 e82e4dba4762a23cedf55769985a1a6310f0d075005257c28f2632f98969e1b6
sha512 ef577992dbcfa1ddb9a0c20bbb21753eb530431df89220b67920d75047c8ed0f27103e5193d117868b89e27ee4336f972f8d613b73637d2c64d2e83b5ef6d013
ripemd-160 efee6d87304c4d5f38d006d60220c9d7e20ff64c

21297727 as geometric shapes

Circle

Radius = n
Diameter 42595454
Circumference 133817565.36272
Area 1.42500498745E+15

Sphere

Radius = n
Volume 4.0465822928463E+22
Surface area 5.7000199497998E+15
Circumference 133817565.36272

Square

Length = n
Perimeter 85190908
Area 453593175366529
Diagonal 30119534.37112

Cube

Length = n
Surface area 2721559052199174
Volume 9.6605036180195E+21
Space diagonal 36888745.249731

Equilateral Triangle

Length = n
Perimeter 63893181
Area 1.9641160642533E+14
Altitude 18444372.624866

Triangular Pyramid

Length = n
Surface area 1.9641160642533E+14
Volume 1.1385012696631E+21
Height 10039844.790373