21453886 (number)

21453886 is an even 8-digits composite number following 21453885 and preceding 21453887. In scientific notation, it is written as 2.1453886 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 10726942 positive integers (up to 21453886) that are relatively prime to 21453886.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred fifty-three thousand eight hundred eighty-six

Notation

Scientific notation 2.1453886 × 10^7
Engineering notation 2.1453886 × 10^6

Prime Factorization of 21453886

Prime Factorization 2 × 10726943

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21453886
Product of the distinct prime numbers

The prime factorization of 21453886 is 2 × 10726943. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21453886)

Multiplication

n×y
n×2 42907772
n×3 64361658
n×4 85815544
n×5 107269430

Division

n÷y
n÷2 10726943
n÷3 7151295.3333333
n÷3 5363471.5
n÷5 4290777.2

Exponentiation

ny
n2 460269224500996
n3 9.8745634717528E+21
n4 2.1184775902275E+29
n5 4.5449576714295E+36

Nth Root

y√n
2√n 4631.8339780264
3√n 277.86594471795
4√n 68.057578402603
5√n 29.261810515417

Divisors of 21453886

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 -21453885
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 21453886 can be divided by 4 positive divisors. The sum of these divisors (counting 21453886) is 1, the average is 0.25.

Base conversion 21453886

Base System Value
2 Binary 1010001110101110000111110
3 Ternary 1111100222012101
4 Quaternary 1101311300332
5 Quinary 20443011021
6 Senary 2043455314
8 Octal 121656076
10 Decimal 21453886
12 Duodecimal 722753a
16 Hexadecimal 1475c3e
20 Vigesimal 6e1ee6
36 Base36 crtxa

Cryptographic Hash Functions

md5 bf1132053afdcaf16072c95426c4942f
sha1 03c15aede8a4ea581385c7786d21a5347bf8ac20
sha256 dde03a7aa9d818dc656572f1a9b2f0c02d17706c03ee3a0e55c7b6d43ca3262a
sha512 91343fab1379b238c14a5a1cb47a9d8992e816505d6fb2404b70a1071b76b4ed91d3aa54d7bb85811826097b6b2bfdb1f28604e98ee0a14b20c226511490d0bc
ripemd-160 0065e76811d6edae6d2ab84410af5bb1d3e124f7

21453886 as geometric shapes

Circle

Radius = n
Diameter 42907772
Circumference 134798741.29711
Area 1.4459784143658E+15

Sphere

Radius = n
Volume 4.136247474702E+22
Surface area 5.7839136574632E+15
Circumference 134798741.29711

Square

Length = n
Perimeter 85815544
Area 460269224500996
Diagonal 30340376.546806

Cube

Length = n
Surface area 2761615347005976
Volume 9.8745634717528E+21
Space diagonal 37159220.571791

Equilateral Triangle

Length = n
Perimeter 64361658
Area 1.9930242049901E+14
Altitude 18579610.285895

Triangular Pyramid

Length = n
Surface area 1.9930242049901E+14
Volume 1.1637284653556E+21
Height 10113458.848935