21131829 (number)

21131829 is an odd 8-digits composite number following 21131828 and preceding 21131830. In scientific notation, it is written as 2.1131829 × 10^7. The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors. There are 14087880 positive integers (up to 21131829) that are relatively prime to 21131829.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-one thousand eight hundred twenty-nine

Notation

Scientific notation 2.1131829 × 10^7
Engineering notation 2.1131829 × 10^6

Prime Factorization of 21131829

Prime Factorization 9 × 2347981

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21131829
Product of the distinct prime numbers

The prime factorization of 21131829 is 9 × 2347981. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 3, 44, 55, 509, 541, 7808, 951, 46300, 39874, 829371, 292256, 6666046, 1801546, 18986084, 37457792, 316249433, 760729038, 3005474086, 420705238

Basic calculations (n = 21131829)

Multiplication

n×y
n×2 42263658
n×3 63395487
n×4 84527316
n×5 105659145

Division

n÷y
n÷2 10565914.5
n÷3 7043943
n÷3 5282957.25
n÷5 4226365.8

Exponentiation

ny
n2 446554196885241
n3 9.4365069278112E+21
n4 1.9941065075582E+29
n5 4.2139117725508E+36

Nth Root

y√n
2√n 4596.9369149467
3√n 276.46852524846
4√n 67.80071470823
5√n 29.173424909811

Divisors of 21131829

1, 9, 2347981, 21131829

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21131828
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21131829 can be divided by 4 positive divisors. The sum of these divisors (counting 21131829) is 1, the average is 0.25.

Base conversion 21131829

Base System Value
2 Binary 1010000100111001000110101
3 Ternary 1110202121102100
4 Quaternary 1100213020311
5 Quinary 20402204304
6 Senary 2032532313
8 Octal 120471065
10 Decimal 21131829
12 Duodecimal 70b1099
16 Hexadecimal 1427235
20 Vigesimal 6c19b9
36 Base36 ckxf9

Cryptographic Hash Functions

md5 98cc9ee574d322694f231ca874417885
sha1 d42e147f9a25fc67335750c4a4887f24b3391cfe
sha256 af7d2d080d928f117eafc8412c9144b30c553f9e151c6073e60c120c689cd55d
sha512 82f74ede8c96eb638af49af3b3ca000b4e8c85664f0bd0ade3b88978cc6744fab455a55feeaa7ec40fbb127524213c910f1e6b119fe08219ad56c70c146bdf8e
ripemd-160 960c1066334872fb602c4f9d72cc13e8133eeb2f

21131829 as geometric shapes

Circle

Radius = n
Diameter 42263658
Circumference 132775197.48663
Area 1.4028913843644E+15

Sphere

Radius = n
Volume 3.9527547786615E+22
Surface area 5.6115655374575E+15
Circumference 132775197.48663

Square

Length = n
Perimeter 84527316
Area 446554196885241
Diagonal 29884919.169549

Cube

Length = n
Surface area 2679325181311446
Volume 9.4365069278112E+21
Space diagonal 36601401.484857

Equilateral Triangle

Length = n
Perimeter 63395487
Area 1.9336363933459E+14
Altitude 18300700.742429

Triangular Pyramid

Length = n
Surface area 1.9336363933459E+14
Volume 1.1121030065615E+21
Height 9961639.723183