21131649 (number)

21131649 is an odd 8-digits composite number following 21131648 and preceding 21131650. In scientific notation, it is written as 2.1131649 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 10977120 positive integers (up to 21131649) that are relatively prime to 21131649.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1131649 × 10^7
Engineering notation 2.1131649 × 10^6

Prime Factorization of 21131649

Prime Factorization 3 × 3 × 7 × 11 × 30493

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 7043883
Product of the distinct prime numbers

The prime factorization of 21131649 is 3 × 3 × 7 × 11 × 30493. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 5, 39, 59, 379, 962, 9621, 3651, 75023, 8322, 270131, 526089, 7123653, 561554, 20467489, 70653067, 69481334, 964810607, 786181760, 3768824045

Basic calculations (n = 21131649)

Multiplication

n×y
n×2 42263298
n×3 63394947
n×4 84526596
n×5 105658245

Division

n÷y
n÷2 10565824.5
n÷3 7043883
n÷3 5282912.25
n÷5 4226329.8

Exponentiation

ny
n2 446546589459201
n3 9.4362657905989E+21
n4 1.9940385655764E+29
n5 4.2137323060225E+36

Nth Root

y√n
2√n 4596.9173366507
3√n 276.46774026394
4√n 67.800570326884
5√n 29.173375210049

Divisors of 21131649

1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 30493, 91479, 213451, 274437, 335423, 640353, 1006269, 1921059, 2347961, 3018807, 7043883, 21131649

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 -21131648
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 21131649 can be divided by 24 positive divisors. The sum of these divisors (counting 21131649) is 1, the average is 0.041666666666667.

Base conversion 21131649

Base System Value
2 Binary 1010000100111000110000001
3 Ternary 1110202121011200
4 Quaternary 1100213012001
5 Quinary 20402203044
6 Senary 2032531413
8 Octal 120470601
10 Decimal 21131649
12 Duodecimal 70b0b69
16 Hexadecimal 1427181
20 Vigesimal 6c1929
36 Base36 ckxa9

Cryptographic Hash Functions

md5 9f88d3c3d7c671fc38934c069db20de0
sha1 5f2437e220b38d88b4a49a04ac06fd2c85eadeaf
sha256 39318b4c71daffba1129e0e8acec0b2b5c61cde96dbbe9a74751f8c6799c492c
sha512 acd3b1d66ba5a23820437e2a6cc79f564c423a8b3111dabbcb961b8bc8c884445888f4b6e7a1ac43f142060b0cfb7adaf1e20e115fda9285c03c98050bfd4dfb
ripemd-160 555e2707d3be3c3bdda8326e505fb4c29e743113

21131649 as geometric shapes

Circle

Radius = n
Diameter 42263298
Circumference 132774066.51328
Area 1.4028674849306E+15

Sphere

Radius = n
Volume 3.9526537713422E+22
Surface area 5.6114699397224E+15
Circumference 132774066.51328

Square

Length = n
Perimeter 84526596
Area 446546589459201
Diagonal 29884664.611108

Cube

Length = n
Surface area 2679279536755206
Volume 9.4362657905989E+21
Space diagonal 36601089.715712

Equilateral Triangle

Length = n
Perimeter 63394947
Area 1.9336034522248E+14
Altitude 18300544.857856

Triangular Pyramid

Length = n
Surface area 1.9336034522248E+14
Volume 1.1120745882685E+21
Height 9961554.8703693