21551284 (number)

21551284 is an even 8-digits composite number following 21551283 and preceding 21551285. In scientific notation, it is written as 2.1551284 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 24 positive divisors. There are 10387104 positive integers (up to 21551284) that are relatively prime to 21551284.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-one thousand two hundred eighty-four

Notation

Scientific notation 2.1551284 × 10^7
Engineering notation 2.1551284 × 10^6

Prime Factorization of 21551284

Prime Factorization 2 × 2 × 59 × 53 × 1723

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10775642
Product of the distinct prime numbers

The prime factorization of 21551284 is 2 × 2 × 59 × 53 × 1723. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 5, 39, 83, 868, 903, 9687, 2309, 82340, 83143, 606262, 424318, 8534711, 9910964, 91682663, 22799005, 625823588, 105286066, 2853429365, 3982973609

Basic calculations (n = 21551284)

Multiplication

n×y
n×2 43102568
n×3 64653852
n×4 86205136
n×5 107756420

Division

n÷y
n÷2 10775642
n÷3 7183761.3333333
n÷3 5387821
n÷5 4310256.8

Exponentiation

ny
n2 464457842048656
n3 1.0009662860018E+22
n4 2.1572108704049E+29
n5 4.6490664115984E+36

Nth Root

y√n
2√n 4642.3360498783
3√n 278.28580237838
4√n 68.13469050255
5√n 29.288331401546

Divisors of 21551284

1, 2, 4, 53, 59, 106, 118, 212, 236, 1723, 3127, 3446, 6254, 6892, 12508, 91319, 101657, 182638, 203314, 365276, 406628, 5387821, 10775642, 21551284

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21551283
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21551284 can be divided by 24 positive divisors. The sum of these divisors (counting 21551284) is 1, the average is 0.041666666666667.

Base conversion 21551284

Base System Value
2 Binary 1010010001101100010110100
3 Ternary 1111112220210201
4 Quaternary 1102031202310
5 Quinary 21004120114
6 Senary 2045530244
8 Octal 122154264
10 Decimal 21551284
12 Duodecimal 7273984
16 Hexadecimal 148d8b4
20 Vigesimal 6edi44
36 Base36 ctx2s

Cryptographic Hash Functions

md5 b6bda9cd79ab89a78b27a94c184dcffc
sha1 2dec0274328c404357f214f24e4b5c841a0b85ff
sha256 f99b026984ee55c886d5b7e7fd4d967932dbd60f8fff5d574f66325679524ca5
sha512 e10681dba1f2c1a9d95978486cb72ccefeec6c4ab44fa0cc905988c5c0d98af91a35fa71e8108d82b9d699b666a86b7e9e9063f74b551692699b2f2e6b32b6f9
ripemd-160 47d7ca2d4b731615f4adf6a98f3aa126d9400b83

21551284 as geometric shapes

Circle

Radius = n
Diameter 43102568
Circumference 135410710.97965
Area 1.4591373444822E+15

Sphere

Radius = n
Volume 4.1928377741256E+22
Surface area 5.8365493779289E+15
Circumference 135410710.97965

Square

Length = n
Perimeter 86205136
Area 464457842048656
Diagonal 30478118.119354

Cube

Length = n
Surface area 2786747052291936
Volume 1.0009662860018E+22
Space diagonal 37327918.856346

Equilateral Triangle

Length = n
Perimeter 64653852
Area 2.0111614510052E+14
Altitude 18663959.428173

Triangular Pyramid

Length = n
Surface area 2.0111614510052E+14
Volume 1.1796500809516E+21
Height 10159372.706451