21005874 (number)

21005874 is an even 8-digits composite number following 21005873 and preceding 21005875. In scientific notation, it is written as 2.1005874 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 6975360 positive integers (up to 21005874) that are relatively prime to 21005874.

Interesting facts

Basic properties

Name

Name twenty-one million five thousand eight hundred seventy-four

Notation

Scientific notation 2.1005874 × 10^7
Engineering notation 2.1005874 × 10^6

Prime Factorization of 21005874

Prime Factorization 2 × 9 × 281 × 4153

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21005874
Product of the distinct prime numbers

The prime factorization of 21005874 is 2 × 9 × 281 × 4153. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 6, 68, 10, 570, 822, 3790, 355, 28172, 54715, 219948, 438170, 1107578, 6656387, 76208667, 67786850, 564210906, 133419025, 5140040390, 3593945738

Basic calculations (n = 21005874)

Multiplication

n×y
n×2 42011748
n×3 63017622
n×4 84023496
n×5 105029370

Division

n÷y
n÷2 10502937
n÷3 7001958
n÷3 5251468.5
n÷5 4201174.8

Exponentiation

ny
n2 441246742503876
n3 9.2687734759469E+21
n4 1.9469868777028E+29
n5 4.0898161032679E+36

Nth Root

y√n
2√n 4583.2165560881
3√n 275.91813892357
4√n 67.699457576026
5√n 29.138564406788

Divisors of 21005874

1, 2, 9, 18, 281, 562, 2529, 4153, 5058, 8306, 37377, 74754, 1166993, 2333986, 10502937, 21005874

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 -21005873
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 21005874 can be divided by 16 positive divisors. The sum of these divisors (counting 21005874) is 1, the average is 0.0625.

Base conversion 21005874

Base System Value
2 Binary 1010000001000011000110010
3 Ternary 1110112012122100
4 Quaternary 1100020120302
5 Quinary 20334141444
6 Senary 2030121230
8 Octal 120103062
10 Decimal 21005874
12 Duodecimal 7050216
16 Hexadecimal 1408632
20 Vigesimal 6b5ede
36 Base36 ci88i

Cryptographic Hash Functions

md5 eb75e79248368f972b6880d8ebb77459
sha1 971890d60ce8da0e98a629a39345732a47abc32f
sha256 62eb08b4bcadde1dbc53f4532581a784c41459b7a6f525b0c5da2b1e9238b619
sha512 9b404284117aad86d73931f10caf1e6096ec39e5a29ec6ec62b2aa7c8c15f4a0fc65b1300f641b774d7a49536735169d363553f24b9fac40a660844b3439f49d
ripemd-160 4584b8404d8bfe5f00d6e2ecd59d0aae599c9373

21005874 as geometric shapes

Circle

Radius = n
Diameter 42011748
Circumference 131983798.88127
Area 1.3862175246706E+15

Sphere

Radius = n
Volume 3.882494754643E+22
Surface area 5.5448700986824E+15
Circumference 131983798.88127

Square

Length = n
Perimeter 84023496
Area 441246742503876
Diagonal 29706791.9003

Cube

Length = n
Surface area 2647480455023256
Volume 9.2687734759469E+21
Space diagonal 36383241.02539

Equilateral Triangle

Length = n
Perimeter 63017622
Area 1.9106544417274E+14
Altitude 18191620.512695

Triangular Pyramid

Length = n
Surface area 1.9106544417274E+14
Volume 1.0923354296873E+21
Height 9902263.9667668