21031644 (number)

21031644 is an even 8-digits composite number following 21031643 and preceding 21031645. In scientific notation, it is written as 2.1031644 × 10^7. The sum of its digits is 21. It has a total of 5 prime factors and 24 positive divisors. There are 6847344 positive integers (up to 21031644) that are relatively prime to 21031644.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand six hundred forty-four

Notation

Scientific notation 2.1031644 × 10^7
Engineering notation 2.1031644 × 10^6

Prime Factorization of 21031644

Prime Factorization 2 × 2 × 3 × 43 × 40759

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10515822
Product of the distinct prime numbers

The prime factorization of 21031644 is 2 × 2 × 3 × 43 × 40759. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 6, 42, 49, 324, 831, 1038, 3756, 77160, 23058, 899869, 905867, 3066504, 2417407, 5788976, 77100915, 87213210, 834046485, 8100585586, 1929164892

Basic calculations (n = 21031644)

Multiplication

n×y
n×2 42063288
n×3 63094932
n×4 84126576
n×5 105158220

Division

n÷y
n÷2 10515822
n÷3 7010548
n÷3 5257911
n÷5 4206328.8

Exponentiation

ny
n2 442330049342736
n3 9.3029281282789E+21
n4 1.9565587255155E+29
n5 4.1149646580135E+36

Nth Root

y√n
2√n 4586.0270387341
3√n 276.03092491123
4√n 67.720211449272
5√n 29.145710337434

Divisors of 21031644

1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 40759, 81518, 122277, 163036, 244554, 489108, 1752637, 3505274, 5257911, 7010548, 10515822, 21031644

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 -21031643
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 21031644 can be divided by 24 positive divisors. The sum of these divisors (counting 21031644) is 1, the average is 0.041666666666667.

Base conversion 21031644

Base System Value
2 Binary 1010000001110101011011100
3 Ternary 1110120111222210
4 Quaternary 1100032223130
5 Quinary 20341003034
6 Senary 2030440420
8 Octal 120165334
10 Decimal 21031644
12 Duodecimal 7063110
16 Hexadecimal 140eadc
20 Vigesimal 6b8j24
36 Base36 cis4c

Cryptographic Hash Functions

md5 9f8134a75e6f84576aec876750b8e8a8
sha1 120b87823d279834420b9f13c72b01c39bd5cb48
sha256 b2384522c14a9fea196aa237e3cd15d15fcda4b415d02d9c23ba5b9d73aba417
sha512 c4b0ab72f6dd43b2dfb7e55eda55465c248a0968284ec1dab0dbeccbee080a7e1d160521cebfa58d3675fa210d136bd7e55180fcb1454c5cf7b179a4f851300f
ripemd-160 b14839d021626dff543a5171c5b0f697278c6a5b

21031644 as geometric shapes

Circle

Radius = n
Diameter 42063288
Circumference 132145716.56663
Area 1.3896208334772E+15

Sphere

Radius = n
Volume 3.8968014219566E+22
Surface area 5.5584833339086E+15
Circumference 132145716.56663

Square

Length = n
Perimeter 84126576
Area 442330049342736
Diagonal 29743236.183803

Cube

Length = n
Surface area 2653980296056416
Volume 9.3029281282789E+21
Space diagonal 36427875.974701

Equilateral Triangle

Length = n
Perimeter 63094932
Area 1.9153452979402E+14
Altitude 18213937.987351

Triangular Pyramid

Length = n
Surface area 1.9153452979402E+14
Volume 1.0963605940662E+21
Height 9914412.0612676