21554428 (number)

21554428 is an even 8-digits composite number following 21554427 and preceding 21554429. In scientific notation, it is written as 2.1554428 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors. There are 9199344 positive integers (up to 21554428) that are relatively prime to 21554428.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-four thousand four hundred twenty-eight

Notation

Scientific notation 2.1554428 × 10^7
Engineering notation 2.1554428 × 10^6

Prime Factorization of 21554428

Prime Factorization 2 × 2 × 7 × 263 × 2927

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10777214
Product of the distinct prime numbers

The prime factorization of 21554428 is 2 × 2 × 7 × 263 × 2927. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21554428)

Multiplication

n×y
n×2 43108856
n×3 64663284
n×4 86217712
n×5 107772140

Division

n÷y
n÷2 10777214
n÷3 7184809.3333333
n÷3 5388607
n÷5 4310885.6

Exponentiation

ny
n2 464593366407184
n3 1.0014044265501E+22
n4 2.1584699610956E+29
n5 4.6524585366598E+36

Nth Root

y√n
2√n 4642.6746601501
3√n 278.29933425611
4√n 68.137175316784
5√n 29.289185894866

Divisors of 21554428

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21554427
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21554428 can be divided by 24 positive divisors. The sum of these divisors (counting 21554428) is 1, the average is 0.041666666666667.

Base conversion 21554428

Base System Value
2 Binary 1010010001110010011111100
3 Ternary 1111120002010011
4 Quaternary 1102032103330
5 Quinary 21004220203
6 Senary 2045553004
8 Octal 122162374
10 Decimal 21554428
12 Duodecimal 7275764
16 Hexadecimal 148e4fc
20 Vigesimal 6ee618
36 Base36 ctzi4

Cryptographic Hash Functions

md5 b1c24d85af304c45a5d718c64f42c8da
sha1 a3c9dcf230be89ccf23055b23f387a9de24d28a6
sha256 3bd2f0237e47e9227691306eaf78717df9a22d6031d20af102962094fc117ca0
sha512 6ad273ac5d1993ebab73c716e56764b9ab374e8b84fa66bb93986dcacf8ec0fc142008d70730bc112957d07369c2fa6acfbfa4af96f9d291007418a0bbace5d5
ripemd-160 a76cc5433f5684c55a70034c1f40272727d2c17c

21554428 as geometric shapes

Circle

Radius = n
Diameter 43108856
Circumference 135430465.31426
Area 1.4595631068114E+15

Sphere

Radius = n
Volume 4.1946730529629E+22
Surface area 5.8382524272454E+15
Circumference 135430465.31426

Square

Length = n
Perimeter 86217712
Area 464593366407184
Diagonal 30482564.406794

Cube

Length = n
Surface area 2787560198443104
Volume 1.0014044265501E+22
Space diagonal 37333364.424085

Equilateral Triangle

Length = n
Perimeter 64663284
Area 2.0117482886918E+14
Altitude 18666682.212043

Triangular Pyramid

Length = n
Surface area 2.0117482886918E+14
Volume 1.1801664345397E+21
Height 10160854.802265