21489628 (number)

21489628 is an even 8-digits composite number following 21489627 and preceding 21489629. In scientific notation, it is written as 2.1489628 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors. There are 10731392 positive integers (up to 21489628) that are relatively prime to 21489628.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred eighty-nine thousand six hundred twenty-eight

Notation

Scientific notation 2.1489628 × 10^7
Engineering notation 2.1489628 × 10^6

Prime Factorization of 21489628

Prime Factorization 2 × 2 × 929 × 5783

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10744814
Product of the distinct prime numbers

The prime factorization of 21489628 is 2 × 2 × 929 × 5783. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 10, 2, 13, 672, 594, 5624, 6345, 2807, 32434, 633731, 780618, 852482, 9179808, 77414316, 87567752, 436066070, 551425576, 7615735352, 2015516658

Basic calculations (n = 21489628)

Multiplication

n×y
n×2 42979256
n×3 64468884
n×4 85958512
n×5 107448140

Division

n÷y
n÷2 10744814
n÷3 7163209.3333333
n÷3 5372407
n÷5 4297925.6

Exponentiation

ny
n2 461804111578384
n3 9.92399856669E+21
n4 2.132630374707E+29
n5 4.5829433413954E+36

Nth Root

y√n
2√n 4635.6906713024
3√n 278.02016657528
4√n 68.085906554164
5√n 29.271554012322

Divisors of 21489628

1, 2, 4, 929, 1858, 3716, 5783, 11566, 23132, 5372407, 10744814, 21489628

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21489627
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21489628 can be divided by 12 positive divisors. The sum of these divisors (counting 21489628) is 1, the average is 0.083333333333333.

Base conversion 21489628

Base System Value
2 Binary 1010001111110011111011100
3 Ternary 1111102210020011
4 Quaternary 1101332133130
5 Quinary 21000132003
6 Senary 2044333004
8 Octal 121763734
10 Decimal 21489628
12 Duodecimal 7244164
16 Hexadecimal 147e7dc
20 Vigesimal 6e6418
36 Base36 csli4

Cryptographic Hash Functions

md5 bb70dcecdf18adc3e98f06008af48f01
sha1 2e0ca6b15e19ca3d2444deffb28e0419d9de9c33
sha256 e5543cd3042d9be55617887699f70c7ecb04696e3f8daed809611b81cfb8f123
sha512 333e0418adf7543392ba3bdc255d2e4e0ced809caa16d7f826377290c053867f70365e658071c355ae3cd2939e7de84df5aaf2579ab5e536c32ea401b24a5f29
ripemd-160 9017d7e78921d71e582024c18172dc0b5bed0dc7

21489628 as geometric shapes

Circle

Radius = n
Diameter 42979256
Circumference 135023314.90636
Area 1.4508004043322E+15

Sphere

Radius = n
Volume 4.1569547988465E+22
Surface area 5.8032016173288E+15
Circumference 135023314.90636

Square

Length = n
Perimeter 85958512
Area 461804111578384
Diagonal 30390923.367953

Cube

Length = n
Surface area 2770824669470304
Volume 9.92399856669E+21
Space diagonal 37221127.531755

Equilateral Triangle

Length = n
Perimeter 64468884
Area 1.9996704609949E+14
Altitude 18610563.765877

Triangular Pyramid

Length = n
Surface area 1.9996704609949E+14
Volume 1.1695544471653E+21
Height 10130307.789318