21492723 (number)

21492723 is an odd 8-digits composite number following 21492722 and preceding 21492724. In scientific notation, it is written as 2.1492723 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 12280968 positive integers (up to 21492723) that are relatively prime to 21492723.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand seven hundred twenty-three

Notation

Scientific notation 2.1492723 × 10^7
Engineering notation 2.1492723 × 10^6

Prime Factorization of 21492723

Prime Factorization 3 × 7 × 49 × 20887

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21492723
Product of the distinct prime numbers

The prime factorization of 21492723 is 3 × 7 × 49 × 20887. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 2, 25, 34, 137, 264, 4217, 8452, 52157, 83291, 890095, 960939, 6937492, 805201, 43850618, 55179061, 460365854, 686748774, 3635464261, 4964755598

Basic calculations (n = 21492723)

Multiplication

n×y
n×2 42985446
n×3 64478169
n×4 85970892
n×5 107463615

Division

n÷y
n÷2 10746361.5
n÷3 7164241
n÷3 5373180.75
n÷5 4298544.6

Exponentiation

ny
n2 461937141954729
n3 9.9282870354447E+21
n4 2.133859231173E+29
n5 4.5862445376595E+36

Nth Root

y√n
2√n 4636.0244822477
3√n 278.03351303106
4√n 68.088357905355
5√n 29.272397118968

Divisors of 21492723

1, 3, 7, 21, 49, 147, 343, 1029, 20887, 62661, 146209, 438627, 1023463, 3070389, 7164241, 21492723

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 -21492722
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 21492723 can be divided by 16 positive divisors. The sum of these divisors (counting 21492723) is 1, the average is 0.0625.

Base conversion 21492723

Base System Value
2 Binary 1010001111111001111110011
3 Ternary 1111102221110210
4 Quaternary 1101333033303
5 Quinary 21000231343
6 Senary 2044355203
8 Octal 121771763
10 Decimal 21492723
12 Duodecimal 7245b03
16 Hexadecimal 147f3f3
20 Vigesimal 6e6bg3
36 Base36 csnw3

Cryptographic Hash Functions

md5 c1388c1672fa220177b027f79984b86f
sha1 6154ac8211037fe3a664c50bed7bcfdff635eae8
sha256 595fbb98e894bf7a29b285bc2628cab913a7342dfa0989c6389e42e59225c688
sha512 c25ca09ad9c340c41abb0c80899029537a6f8ba37c3b5f68a5d0ea1a0df11120b527cf8fda59547e2d5ce9b2425c010060628b888bb4c4a9ac368ec7f4035309
ripemd-160 3e022eced0f811751495ee5fc4a72639161a97c6

21492723 as geometric shapes

Circle

Radius = n
Diameter 42985446
Circumference 135042761.36488
Area 1.4512183315852E+15

Sphere

Radius = n
Volume 4.1587511484378E+22
Surface area 5.804873326341E+15
Circumference 135042761.36488

Square

Length = n
Perimeter 85970892
Area 461937141954729
Diagonal 30395300.358928

Cube

Length = n
Surface area 2771622851728374
Volume 9.9282870354447E+21
Space diagonal 37226488.229004

Equilateral Triangle

Length = n
Perimeter 64478169
Area 2.0002464994219E+14
Altitude 18613244.114502

Triangular Pyramid

Length = n
Surface area 2.0002464994219E+14
Volume 1.1700598480549E+21
Height 10131766.786309