21453923 (number)

21453923 is an odd 8-digits composite number following 21453922 and preceding 21453924. In scientific notation, it is written as 2.1453923 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 20791264 positive integers (up to 21453923) that are relatively prime to 21453923.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred fifty-three thousand nine hundred twenty-three

Notation

Scientific notation 2.1453923 × 10^7
Engineering notation 2.1453923 × 10^6

Prime Factorization of 21453923

Prime Factorization 83 × 53 × 4877

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21453923
Product of the distinct prime numbers

The prime factorization of 21453923 is 83 × 53 × 4877. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21453923)

Multiplication

n×y
n×2 42907846
n×3 64361769
n×4 85815692
n×5 107269615

Division

n÷y
n÷2 10726961.5
n÷3 7151307.6666667
n÷3 5363480.75
n÷5 4290784.6

Exponentiation

ny
n2 460270812089929
n3 9.8746145617248E+21
n4 2.1184922046192E+29
n5 4.5449968634001E+36

Nth Root

y√n
2√n 4631.8379721229
3√n 277.86610445644
4√n 68.057607746107
5√n 29.261820608565

Divisors of 21453923

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21453922
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21453923 can be divided by 8 positive divisors. The sum of these divisors (counting 21453923) is 1, the average is 0.125.

Base conversion 21453923

Base System Value
2 Binary 1010001110101110001100011
3 Ternary 1111100222020202
4 Quaternary 1101311301203
5 Quinary 20443011143
6 Senary 2043455415
8 Octal 121656143
10 Decimal 21453923
12 Duodecimal 722756b
16 Hexadecimal 1475c63
20 Vigesimal 6e1eg3
36 Base36 crtyb

Cryptographic Hash Functions

md5 2d16e12c682d2bc15962ae384d565860
sha1 28b3ae18e5fb2e239285a0d39678f2e316c915f7
sha256 a995ca7a2241556d3ad05652b3403a39a687ad00509488938cd564819f91cbf7
sha512 0ea0008ea78c3b1c0b7422a039edd50c0a41febb2a985181a523a8012bc4b84994cb405a9edf46ddcabf3dceaad1d230a948a228c51f93bd74b3e54a5d8ac0bf
ripemd-160 d7592ef984ef4541b9400bc61d55a55afc7c2ddf

21453923 as geometric shapes

Circle

Radius = n
Diameter 42907846
Circumference 134798973.77496
Area 1.4459834019235E+15

Sphere

Radius = n
Volume 4.1362688752194E+22
Surface area 5.7839336076941E+15
Circumference 134798973.77496

Square

Length = n
Perimeter 85815692
Area 460270812089929
Diagonal 30340428.872708

Cube

Length = n
Surface area 2761624872539574
Volume 9.8746145617248E+21
Space diagonal 37159284.657671

Equilateral Triangle

Length = n
Perimeter 64361769
Area 1.9930310794519E+14
Altitude 18579642.328835

Triangular Pyramid

Length = n
Surface area 1.9930310794519E+14
Volume 1.1637344863665E+21
Height 10113476.290903