21000538 (number)

21000538 is an even 8-digits composite number following 21000537 and preceding 21000539. In scientific notation, it is written as 2.1000538 × 10^7. The sum of its digits is 19. It has a total of 4 prime factors and 16 positive divisors. There are 9668160 positive integers (up to 21000538) that are relatively prime to 21000538.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred thirty-eight

Notation

Scientific notation 2.1000538 × 10^7
Engineering notation 2.1000538 × 10^6

Prime Factorization of 21000538

Prime Factorization 2 × 13 × 1493 × 541

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21000538
Product of the distinct prime numbers

The prime factorization of 21000538 is 2 × 13 × 1493 × 541. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 4, 34, 7, 182, 415, 2299, 1181, 10917, 44832, 944484, 293710, 581851, 533265, 3149889, 88085567, 181659806, 254253735, 7415569139, 3751875578

Basic calculations (n = 21000538)

Multiplication

n×y
n×2 42001076
n×3 63001614
n×4 84002152
n×5 105002690

Division

n÷y
n÷2 10500269
n÷3 7000179.3333333
n÷3 5250134.5
n÷5 4200107.6

Exponentiation

ny
n2 441022596289444
n3 9.2617117922351E+21
n4 1.9450093043788E+29
n5 4.0846241806961E+36

Nth Root

y√n
2√n 4582.6343951924
3√n 275.89477365165
4√n 67.69515784155
5√n 29.137083876335

Divisors of 21000538

1, 2, 13, 26, 541, 1082, 1493, 2986, 7033, 14066, 19409, 38818, 807713, 1615426, 10500269, 21000538

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21000537
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000538 can be divided by 16 positive divisors. The sum of these divisors (counting 21000538) is 1, the average is 0.0625.

Base conversion 21000538

Base System Value
2 Binary 1010000000111000101011010
3 Ternary 1110111221022201
4 Quaternary 1100013011122
5 Quinary 20334004123
6 Senary 2030040414
8 Octal 120070532
10 Decimal 21000538
12 Duodecimal 704910a
16 Hexadecimal 140715a
20 Vigesimal 6b516i
36 Base36 ci44a

Cryptographic Hash Functions

md5 cb5129cc48eb59b33f53e87538f1d371
sha1 7343aa95a7e1a644541dc2c1b2d319ba031e1200
sha256 8b4f3451df12ee51d0289ba239a90b1fcb4dd66fa2a030bcecfea11f2998e740
sha512 408df5168dcdd1d3d71f63271f813a20f4fd415f982eb6b0143e65236cb46a17b299df947fa7595bf873a8f5702f93656bf22004dbf25bbb6a24e8c132f58de5
ripemd-160 fd9f797329341b8dfa96f05ae5387567f2362255

21000538 as geometric shapes

Circle

Radius = n
Diameter 42001076
Circumference 131950271.80447
Area 1.38551334857E+15

Sphere

Radius = n
Volume 3.8795367634869E+22
Surface area 5.5420533942801E+15
Circumference 131950271.80447

Square

Length = n
Perimeter 84002152
Area 441022596289444
Diagonal 29699245.656732

Cube

Length = n
Surface area 2646135577736664
Volume 9.2617117922351E+21
Space diagonal 36373998.802281

Equilateral Triangle

Length = n
Perimeter 63001614
Area 1.9096838601481E+14
Altitude 18186999.40114

Triangular Pyramid

Length = n
Surface area 1.9096838601481E+14
Volume 1.0915032022808E+21
Height 9899748.5522439