21849904 (number)

21849904 is an even 8-digits composite number following 21849903 and preceding 21849905. In scientific notation, it is written as 2.1849904 × 10^7. The sum of its digits is 37. It has a total of 6 prime factors and 20 positive divisors. There are 10887552 positive integers (up to 21849904) that are relatively prime to 21849904.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1849904 × 10^7
Engineering notation 2.1849904 × 10^6

Prime Factorization of 21849904

Prime Factorization 2 × 2 × 2 × 2 × 313 × 4363

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2731238
Product of the distinct prime numbers

The prime factorization of 21849904 is 2 × 2 × 2 × 2 × 313 × 4363. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21849904)

Multiplication

n×y
n×2 43699808
n×3 65549712
n×4 87399616
n×5 109249520

Division

n÷y
n÷2 10924952
n÷3 7283301.3333333
n÷3 5462476
n÷5 4369980.8

Exponentiation

ny
n2 477418304809216
n3 1.0431544127924E+22
n4 2.2792823776691E+29
n5 4.9802101140961E+36

Nth Root

y√n
2√n 4674.3880882956
3√n 279.56524367006
4√n 68.369496767898
5√n 29.369050541111

Divisors of 21849904

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21849903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21849904 can be divided by 20 positive divisors. The sum of these divisors (counting 21849904) is 1, the average is 0.05.

Base conversion 21849904

Base System Value
2 Binary 1010011010110011100110000
3 Ternary 1112010002102201
4 Quaternary 1103112130300
5 Quinary 21043144104
6 Senary 2100152544
8 Octal 123263460
10 Decimal 21849904
12 Duodecimal 7398754
16 Hexadecimal 14d6730
20 Vigesimal 6gb4f4
36 Base36 d0bhs

Cryptographic Hash Functions

md5 721c9f8345274b58cfcf8e02c2c3dc42
sha1 f2a1b7eb01408c3a17b082bafc5fd95129ca4225
sha256 12957e9af69bd4ecd806edeedfb15deaea5c7682d5ca4964d73012a9ecd1c5eb
sha512 d2c0d78d58775da4e968919be507c1ade3922b431c1c49518d0631aaa0025fbb203d8b0e42ff87aa73eaaaa4726aa3157720edb62de0854f6ebb2ab8a85f3a2f
ripemd-160 fca8f591fbae6b6f3d8899e51e035c7086d1395b

21849904 as geometric shapes

Circle

Radius = n
Diameter 43699808
Circumference 137286995.77608
Area 1.4998538390779E+15

Sphere

Radius = n
Volume 4.3695549863845E+22
Surface area 5.9994153563117E+15
Circumference 137286995.77608

Square

Length = n
Perimeter 87399616
Area 477418304809216
Diagonal 30900430.57335

Cube

Length = n
Surface area 2864509828855296
Volume 1.0431544127924E+22
Space diagonal 37845143.868502

Equilateral Triangle

Length = n
Perimeter 65549712
Area 2.0672819009824E+14
Altitude 18922571.934251

Triangular Pyramid

Length = n
Surface area 2.0672819009824E+14
Volume 1.2293692651836E+21
Height 10300143.52445