21151284 (number)

21151284 is an even 8-digits composite number following 21151283 and preceding 21151285. In scientific notation, it is written as 2.1151284 × 10^7. The sum of its digits is 24. It has a total of 6 prime factors and 36 positive divisors. There are 5491200 positive integers (up to 21151284) that are relatively prime to 21151284.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1151284 × 10^7
Engineering notation 2.1151284 × 10^6

Prime Factorization of 21151284

Prime Factorization 2 × 2 × 21 × 11 × 11 × 2081

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 961422
Product of the distinct prime numbers

The prime factorization of 21151284 is 2 × 2 × 21 × 11 × 11 × 2081. Since it has a total of 6 prime factors.

Most popular turbo-numbers

10, 7, 11, 2, 957, 993, 5740, 5281, 12413, 75480, 98034, 838989, 9889829, 9550915, 31504666, 34328460, 757236493, 526862362, 5131283576, 9045098347

Basic calculations (n = 21151284)

Multiplication

n×y
n×2 42302568
n×3 63453852
n×4 84605136
n×5 105756420

Division

n÷y
n÷2 10575642
n÷3 7050428
n÷3 5287821
n÷5 4230256.8

Exponentiation

ny
n2 447376814848656
n3 9.4625940658793E+21
n4 2.0014601446413E+29
n5 4.2333451933989E+36

Nth Root

y√n
2√n 4599.0525111157
3√n 276.55334272722
4√n 67.816314490805
5√n 29.17879463038

Divisors of 21151284

1, 2, 4, 11, 21, 22, 42, 44, 84, 121, 231, 242, 462, 484, 924, 2081, 2541, 4162, 5082, 8324, 10164, 22891, 43701, 45782, 87402, 91564, 174804, 251801, 480711, 503602, 961422, 1007204, 1922844, 5287821, 10575642, 21151284

36 divisors

τ Total Divisors 36
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21151283
Sum of the proper positive divisors of n
A Arithmetic Mean 0.027777777777778
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 36
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21151284 can be divided by 36 positive divisors. The sum of these divisors (counting 21151284) is 1, the average is 0.027777777777778.

Base conversion 21151284

Base System Value
2 Binary 1010000101011111000110100
3 Ternary 1110210121002220
4 Quaternary 1100223320310
5 Quinary 20403320114
6 Senary 2033202340
8 Octal 120537064
10 Decimal 21151284
12 Duodecimal 71003b0
16 Hexadecimal 142be34
20 Vigesimal 6c3i44
36 Base36 clcfo

Cryptographic Hash Functions

md5 9d7576a4f5110af54576018cbacdb8c9
sha1 3ddfc4b1be6fcda838e1fef9964b1db687ba21d5
sha256 ed06f411d244e5ac54d18487f32d003a163614a0c17fea405ffba8a92935ada8
sha512 9693003e9cd1bcf4606e5e37138326dde73eb9d1e42fdcd4a7f5e007a772c4a11912293afc91ff8752aee69118e397cd6fee91144c5d670c09a9a4f25bfd7334
ripemd-160 0b18ae662e7bf8c673084c2a29ec788d5da04e26

21151284 as geometric shapes

Circle

Radius = n
Diameter 42302568
Circumference 132897436.85678
Area 1.4054757149149E+15

Sphere

Radius = n
Volume 3.9636821335025E+22
Surface area 5.6219028596598E+15
Circumference 132897436.85678

Square

Length = n
Perimeter 84605136
Area 447376814848656
Diagonal 29912432.694405

Cube

Length = n
Surface area 2684260889091936
Volume 9.4625940658793E+21
Space diagonal 36635098.533319

Equilateral Triangle

Length = n
Perimeter 63453852
Area 1.9371984336155E+14
Altitude 18317549.266659

Triangular Pyramid

Length = n
Surface area 1.9371984336155E+14
Volume 1.1151774052665E+21
Height 9970810.898135