21490841 (number)

21490841 is an odd 8-digits composite number following 21490840 and preceding 21490842. In scientific notation, it is written as 2.1490841 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 20991012 positive integers (up to 21490841) that are relatively prime to 21490841.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety thousand eight hundred forty-one

Notation

Scientific notation 2.1490841 × 10^7
Engineering notation 2.1490841 × 10^6

Prime Factorization of 21490841

Prime Factorization 43 × 499787

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21490841
Product of the distinct prime numbers

The prime factorization of 21490841 is 43 × 499787. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21490841)

Multiplication

n×y
n×2 42981682
n×3 64472523
n×4 85963364
n×5 107454205

Division

n÷y
n÷2 10745420.5
n÷3 7163613.6666667
n÷3 5372710.25
n÷5 4298168.2

Exponentiation

ny
n2 461856246887281
n3 9.9256791667113E+21
n4 2.1331119278881E+29
n5 4.5842369277446E+36

Nth Root

y√n
2√n 4635.821502172
3√n 278.02539750369
4√n 68.086867325292
5√n 29.271884456324

Divisors of 21490841

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 -21490840
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 21490841 can be divided by 4 positive divisors. The sum of these divisors (counting 21490841) is 1, the average is 0.25.

Base conversion 21490841

Base System Value
2 Binary 1010001111110110010011001
3 Ternary 1111102211220002
4 Quaternary 1101332302121
5 Quinary 21000201331
6 Senary 2044342345
8 Octal 121766231
10 Decimal 21490841
12 Duodecimal 72449b5
16 Hexadecimal 147ec99
20 Vigesimal 6e6721
36 Base36 csmft

Cryptographic Hash Functions

md5 5a716849f5340dc6344a9fc93dd5a8ca
sha1 4975985c8e898fdb1664059e28af33b8d59b2c81
sha256 500e2eb291ccb07b2ec7a74730b8fdf5f1c5cce194b2b887d7708dfc6cdb9d68
sha512 9ad191b215359b96d300410ccd8e90e24051d81abf025a8ac1654c33f2e167cc3332ed9cd42b951a037109a4175b2758830ad050b64c2b52fb2efcbd7ca7750c
ripemd-160 19ba9c935a036799b673281d23cab93df32c66fa

21490841 as geometric shapes

Circle

Radius = n
Diameter 42981682
Circumference 135030936.41013
Area 1.4509641922356E+15

Sphere

Radius = n
Volume 4.1576587669373E+22
Surface area 5.8038567689425E+15
Circumference 135030936.41013

Square

Length = n
Perimeter 85963364
Area 461856246887281
Diagonal 30392638.809004

Cube

Length = n
Surface area 2771137481323686
Volume 9.9256791667113E+21
Space diagonal 37223228.509384

Equilateral Triangle

Length = n
Perimeter 64472523
Area 1.9998962135046E+14
Altitude 18611614.254692

Triangular Pyramid

Length = n
Surface area 1.9998962135046E+14
Volume 1.1697525077773E+21
Height 10130879.603001