21693921 (number)

21693921 is an odd 8-digits composite number following 21693920 and preceding 21693922. In scientific notation, it is written as 2.1693921 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 13423104 positive integers (up to 21693921) that are relatively prime to 21693921.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred ninety-three thousand nine hundred twenty-one

Notation

Scientific notation 2.1693921 × 10^7
Engineering notation 2.1693921 × 10^6

Prime Factorization of 21693921

Prime Factorization 3 × 73 × 17 × 5827

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21693921
Product of the distinct prime numbers

The prime factorization of 21693921 is 3 × 73 × 17 × 5827. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21693921)

Multiplication

n×y
n×2 43387842
n×3 65081763
n×4 86775684
n×5 108469605

Division

n÷y
n÷2 10846960.5
n÷3 7231307
n÷3 5423480.25
n÷5 4338784.2

Exponentiation

ny
n2 470626208354241
n3 1.0209727784566E+22
n4 2.2148902798989E+29
n5 4.8049654755795E+36

Nth Root

y√n
2√n 4657.6733462105
3√n 278.89839699111
4√n 68.24714899694
5√n 29.326998087753

Divisors of 21693921

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 -21693920
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 21693921 can be divided by 16 positive divisors. The sum of these divisors (counting 21693921) is 1, the average is 0.0625.

Base conversion 21693921

Base System Value
2 Binary 1010010110000010111100001
3 Ternary 1111211011110120
4 Quaternary 1102300113201
5 Quinary 21023201141
6 Senary 2052550453
8 Octal 122602741
10 Decimal 21693921
12 Duodecimal 7322429
16 Hexadecimal 14b05e1
20 Vigesimal 6fbeg1
36 Base36 cwz4x

Cryptographic Hash Functions

md5 6c98b4e4bf521223fb71c1220c3d645a
sha1 5495dfd377b90ba770201a28ac208353ff0ea9de
sha256 124d1a14c346683067c6e982a5af29eed1d0e3ac9c52526cd55d8ae3cdd2a461
sha512 3b0d464ed7290c4720f9034ebc6096f99a25f11b33c9cec1ce80875cbb04ef29d6e1bd9c436f6f6b85add8c721b4ce6ad53091c5b0dd7f9fec6064ed6183489d
ripemd-160 c6bec938488408239ae006fdac66aa642cc0b4a9

21693921 as geometric shapes

Circle

Radius = n
Diameter 43387842
Circumference 136306925.68231
Area 1.4785158387525E+15

Sphere

Radius = n
Volume 4.2766407737527E+22
Surface area 5.91406335501E+15
Circumference 136306925.68231

Square

Length = n
Perimeter 86775684
Area 470626208354241
Diagonal 30679837.29925

Cube

Length = n
Surface area 2823757250125446
Volume 1.0209727784566E+22
Space diagonal 37574973.387385

Equilateral Triangle

Length = n
Perimeter 65081763
Area 2.0378712606076E+14
Altitude 18787486.693693

Triangular Pyramid

Length = n
Surface area 2.0378712606076E+14
Volume 1.2032279584226E+21
Height 10226612.433084