21644897 (number)

21644897 is an odd 8-digits composite number following 21644896 and preceding 21644898. In scientific notation, it is written as 2.1644897 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 21606420 positive integers (up to 21644897) that are relatively prime to 21644897.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1644897 × 10^7
Engineering notation 2.1644897 × 10^6

Prime Factorization of 21644897

Prime Factorization 571 × 37907

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21644897
Product of the distinct prime numbers

The prime factorization of 21644897 is 571 × 37907. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21644897)

Multiplication

n×y
n×2 43289794
n×3 64934691
n×4 86579588
n×5 108224485

Division

n÷y
n÷2 10822448.5
n÷3 7214965.6666667
n÷3 5411224.25
n÷5 4328979.4

Exponentiation

ny
n2 468501566140609
n3 1.0140668143452E+22
n4 2.194937174762E+29
n5 4.7509189069195E+36

Nth Root

y√n
2√n 4652.4076562571
3√n 278.68815334451
4√n 68.208559992549
5√n 29.313731439358

Divisors of 21644897

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 -21644896
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 21644897 can be divided by 4 positive divisors. The sum of these divisors (counting 21644897) is 1, the average is 0.25.

Base conversion 21644897

Base System Value
2 Binary 1010010100100011001100001
3 Ternary 1111201200012212
4 Quaternary 1102210121201
5 Quinary 21020114042
6 Senary 2051531505
8 Octal 122443141
10 Decimal 21644897
12 Duodecimal 72b9b95
16 Hexadecimal 14a4661
20 Vigesimal 6f5c4h
36 Base36 cvxb5

Cryptographic Hash Functions

md5 74482e1a087373b6b376263e9b59381b
sha1 12626b0a65820976249d82b83dbbb948c92d8bdc
sha256 851f4a3aaaceab9c1402032bc644b639784752da7ca93fd4c0856ab50ed87350
sha512 0f85386eaf89aff3002c95477c5ad6adbbe88b6f1e24a1391794d4cc5d0742a306885efc85a2c15a18ac7f1d857366fc3f357b17cdcba260979a72b264d5dd6f
ripemd-160 07af6bf20f60e58415f145af2ce7bbcd6ff6f6f0

21644897 as geometric shapes

Circle

Radius = n
Diameter 43289794
Circumference 135998898.80582
Area 1.4718410783826E+15

Sphere

Radius = n
Volume 4.2477131389282E+22
Surface area 5.8873643135306E+15
Circumference 135998898.80582

Square

Length = n
Perimeter 86579588
Area 468501566140609
Diagonal 30610506.893569

Cube

Length = n
Surface area 2811009396843654
Volume 1.0140668143452E+22
Space diagonal 37490061.328595

Equilateral Triangle

Length = n
Perimeter 64934691
Area 2.0286712899528E+14
Altitude 18745030.664298

Triangular Pyramid

Length = n
Surface area 2.0286712899528E+14
Volume 1.1950892016662E+21
Height 10203502.297856