21490837 (number)

21490837 is an odd 8-digits composite number following 21490836 and preceding 21490838. In scientific notation, it is written as 2.1490837 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 21425580 positive integers (up to 21490837) that are relatively prime to 21490837.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety thousand eight hundred thirty-seven

Notation

Scientific notation 2.1490837 × 10^7
Engineering notation 2.1490837 × 10^6

Prime Factorization of 21490837

Prime Factorization 331 × 64927

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21490837
Product of the distinct prime numbers

The prime factorization of 21490837 is 331 × 64927. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21490837)

Multiplication

n×y
n×2 42981674
n×3 64472511
n×4 85963348
n×5 107454185

Division

n÷y
n÷2 10745418.5
n÷3 7163612.3333333
n÷3 5372709.25
n÷5 4298167.4

Exponentiation

ny
n2 461856074960569
n3 9.9256736244374E+21
n4 2.1331103397798E+29
n5 4.5842326615223E+36

Nth Root

y√n
2√n 4635.821070749
3√n 278.02538025446
4√n 68.086864157112
5√n 29.271883366673

Divisors of 21490837

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 -21490836
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 21490837 can be divided by 4 positive divisors. The sum of these divisors (counting 21490837) is 1, the average is 0.25.

Base conversion 21490837

Base System Value
2 Binary 1010001111110110010010101
3 Ternary 1111102211212221
4 Quaternary 1101332302111
5 Quinary 21000201322
6 Senary 2044342341
8 Octal 121766225
10 Decimal 21490837
12 Duodecimal 72449b1
16 Hexadecimal 147ec95
20 Vigesimal 6e671h
36 Base36 csmfp

Cryptographic Hash Functions

md5 f784755963af83a00bd0f78f61b698ca
sha1 b6276e78bb0e5563489f8d20cc847ed80f749363
sha256 cc34b8b4f743697036e93db3b7f65dfccc079d92ea169aeb95867f4e193669fb
sha512 05a3599e6286fee6b4611e7163bc14cb67d51ce29761908d271b6aea177057f667617ce770c362ecf6ca1f7fb062af3e84c0c76c13ee53b0a254b25f43cbf3a0
ripemd-160 de78432f12646a6d97110df3732502ff965ee9fc

21490837 as geometric shapes

Circle

Radius = n
Diameter 42981674
Circumference 135030911.27739
Area 1.4509636521119E+15

Sphere

Radius = n
Volume 4.157656445395E+22
Surface area 5.8038546084478E+15
Circumference 135030911.27739

Square

Length = n
Perimeter 85963348
Area 461856074960569
Diagonal 30392633.15215

Cube

Length = n
Surface area 2771136449763414
Volume 9.9256736244374E+21
Space diagonal 37223221.581181

Equilateral Triangle

Length = n
Perimeter 64472511
Area 1.9998954690401E+14
Altitude 18611610.790591

Triangular Pyramid

Length = n
Surface area 1.9998954690401E+14
Volume 1.169751854614E+21
Height 10130877.717383