21031889 (number)

21031889 is an odd 8-digits composite number following 21031888 and preceding 21031890. In scientific notation, it is written as 2.1031889 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 6 positive divisors. There are 20582240 positive integers (up to 21031889) that are relatively prime to 21031889.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1031889 × 10^7
Engineering notation 2.1031889 × 10^6

Prime Factorization of 21031889

Prime Factorization 47 × 47 × 9521

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 447487
Product of the distinct prime numbers

The prime factorization of 21031889 is 47 × 47 × 9521. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031889)

Multiplication

n×y
n×2 42063778
n×3 63095667
n×4 84127556
n×5 105159445

Division

n÷y
n÷2 10515944.5
n÷3 7010629.6666667
n÷3 5257972.25
n÷5 4206377.8

Exponentiation

ny
n2 442340354908321
n3 9.3032532446524E+21
n4 1.9566498958042E+29
n5 4.1152043420415E+36

Nth Root

y√n
2√n 4586.0537502301
3√n 276.03199674555
4√n 67.720408668511
5√n 29.145778241452

Divisors of 21031889

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21031888
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031889 can be divided by 6 positive divisors. The sum of these divisors (counting 21031889) is 1, the average is 0.16666666666667.

Base conversion 21031889

Base System Value
2 Binary 1010000001110101111010001
3 Ternary 1110120112022212
4 Quaternary 1100032233101
5 Quinary 20341010024
6 Senary 2030441505
8 Octal 120165721
10 Decimal 21031889
12 Duodecimal 7063295
16 Hexadecimal 140ebd1
20 Vigesimal 6b8je9
36 Base36 cisb5

Cryptographic Hash Functions

md5 d97b8fbbf31b96fc58b4b6577e2b4374
sha1 f2e4675f7f6509dc001c2bc3fd21b655316551b0
sha256 fca56dcc037a5a9e92ba34b7a2df7b0598dc1f1999d9f4c62fdfe61b3d50a209
sha512 2b1faaa7136a5e93a3a1406f4211498fb12559f502ce66703f86ec7ab99e370ddea8afa7026cdb6b6fc0173ee38e9260f6726054aa849dd769f89aa1f0519102
ripemd-160 75944a69f8de08007649b228b030e80dba5fd730

21031889 as geometric shapes

Circle

Radius = n
Diameter 42063778
Circumference 132147255.94703
Area 1.3896532093663E+15

Sphere

Radius = n
Volume 3.8969376063847E+22
Surface area 5.5586128374651E+15
Circumference 132147255.94703

Square

Length = n
Perimeter 84127556
Area 442340354908321
Diagonal 29743582.666126

Cube

Length = n
Surface area 2654042129449926
Volume 9.3032532446524E+21
Space diagonal 36428300.327149

Equilateral Triangle

Length = n
Perimeter 63095667
Area 1.9153899223482E+14
Altitude 18214150.163574

Triangular Pyramid

Length = n
Surface area 1.9153899223482E+14
Volume 1.0963989093982E+21
Height 9914527.5553752