21492388 (number)

21492388 is an even 8-digits composite number following 21492387 and preceding 21492389. In scientific notation, it is written as 2.1492388 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors. There are 10720512 positive integers (up to 21492388) that are relatively prime to 21492388.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand three hundred eighty-eight

Notation

Scientific notation 2.1492388 × 10^7
Engineering notation 2.1492388 × 10^6

Prime Factorization of 21492388

Prime Factorization 2 × 2 × 433 × 12409

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10746194
Product of the distinct prime numbers

The prime factorization of 21492388 is 2 × 2 × 433 × 12409. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 2, 17, 56, 35, 354, 3057, 6732, 61686, 94892, 988976, 629453, 3982156, 5801692, 8506778, 56225601, 770385300, 641367064, 9053364385, 3149843171

Basic calculations (n = 21492388)

Multiplication

n×y
n×2 42984776
n×3 64477164
n×4 85969552
n×5 107461940

Division

n÷y
n÷2 10746194
n÷3 7164129.3333333
n÷3 5373097
n÷5 4298477.6

Exponentiation

ny
n2 461922741942544
n3 9.927822795853E+21
n4 2.1337261952372E+29
n5 4.5858871273801E+36

Nth Root

y√n
2√n 4635.988352013
3√n 278.0320684846
4√n 68.088092586097
5√n 29.272305866555

Divisors of 21492388

1, 2, 4, 433, 866, 1732, 12409, 24818, 49636, 5373097, 10746194, 21492388

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21492387
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21492388 can be divided by 12 positive divisors. The sum of these divisors (counting 21492388) is 1, the average is 0.083333333333333.

Base conversion 21492388

Base System Value
2 Binary 1010001111111001010100100
3 Ternary 1111102221000101
4 Quaternary 1101333022210
5 Quinary 21000224023
6 Senary 2044353444
8 Octal 121771244
10 Decimal 21492388
12 Duodecimal 7245884
16 Hexadecimal 147f2a4
20 Vigesimal 6e6aj8
36 Base36 csnms

Cryptographic Hash Functions

md5 2181d9417d27a6cb00fe086e3e03cf80
sha1 2d13be22092557f948547bb0e11093e0a97b1dd2
sha256 869d1734e86961bcba02aa7d74444dad7cc67e72a0038fb4854a2b3e56174aee
sha512 bd9cc180f0c862cdd4ec0c23806c366b15bca8e0beaa8355a4b287e2ee8f8ede8fafe53b0db68b7352cbe1b0ba012865e57e7a7d3b76e3e7a6d7149343ff8758
ripemd-160 8ea55e745ddc3c396ad885e116634f258f85c4df

21492388 as geometric shapes

Circle

Radius = n
Diameter 42984776
Circumference 135040656.4978
Area 1.4511730926128E+15

Sphere

Radius = n
Volume 4.1585566882124E+22
Surface area 5.804692370451E+15
Circumference 135040656.4978

Square

Length = n
Perimeter 85969552
Area 461922741942544
Diagonal 30394826.597385

Cube

Length = n
Surface area 2771536451655264
Volume 9.927822795853E+21
Space diagonal 37225907.991984

Equilateral Triangle

Length = n
Perimeter 64477164
Area 2.00018414554E+14
Altitude 18612953.995992

Triangular Pyramid

Length = n
Surface area 2.00018414554E+14
Volume 1.1700051368943E+21
Height 10131608.865795