28438400 (number)

28438400 is an even 8-digits composite number following 28438399 and preceding 28438401. In scientific notation, it is written as 2.8438400 × 10^7. The sum of its digits is 29. It has a total of 9 prime factors and 32 positive divisors. There are 11374080 positive integers (up to 28438400) that are relatively prime to 28438400.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred thirty-eight thousand four hundred

Notation

Scientific notation 2.8438400 × 10^7
Engineering notation 2.8438400 × 10^6

Prime Factorization of 28438400

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 25 × 8887

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 444350
Product of the distinct prime numbers

The prime factorization of 28438400 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 25 × 8887. Since it has a total of 9 prime factors.

Most popular turbo-numbers

6, 2, 95, 65, 133, 539, 6625, 6531, 89565, 43486, 419803, 37146, 7667646, 7929757, 73094758, 67639473, 622213886, 602251969, 2785170729, 5741813426

Basic calculations (n = 28438400)

Multiplication

n×y
n×2 56876800
n×3 85315200
n×4 113753600
n×5 142192000

Division

n÷y
n÷2 14219200
n÷3 9479466.6666667
n÷3 7109600
n÷5 5687680

Exponentiation

ny
n2 808742594560000
n3 2.2999345401135E+22
n4 6.5406458425564E+29
n5 1.8600550272896E+37

Nth Root

y√n
2√n 5332.7666365593
3√n 305.23550743565
4√n 73.025794323371
5√n 30.958579952592

Divisors of 28438400

1, 2, 4, 8, 16, 25, 32, 50, 64, 100, 128, 200, 400, 800, 1600, 3200, 8887, 17774, 35548, 71096, 142192, 222175, 284384, 444350, 568768, 888700, 1137536, 1777400, 3554800, 7109600, 14219200, 28438400

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28438399
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28438400 can be divided by 32 positive divisors. The sum of these divisors (counting 28438400) is 1, the average is 0.03125.

Base conversion 28438400

Base System Value
2 Binary 1101100011110111110000000
3 Ternary 1222111211011002
4 Quaternary 1230132332000
5 Quinary 24240012100
6 Senary 2453311132
8 Octal 154367600
10 Decimal 28438400
12 Duodecimal 96354a8
16 Hexadecimal 1b1ef80
20 Vigesimal 8heg00
36 Base36 gxj7k

Cryptographic Hash Functions

md5 d0084019356fedb78401be4b4507efca
sha1 3384f94e1e8e375ede79de52bde96fd66a00e090
sha256 9d2b41f0b925c377932836c768b1ad8de04c2885c511071b255045b78fd0cdb4
sha512 9bba26a04751f5e746e6016232b638edf5f82e857f1ec0bde6e978d68cbebc4b3859194f578278d84be44d9d0c8cdc3da9e48402bd42526cc0bd921f693f0dba
ripemd-160 e1e38a9e664931381dc5ef35e9f2aa215b0ba70c

28438400 as geometric shapes

Circle

Radius = n
Diameter 56876800
Circumference 178683737.0397
Area 2.5407397937148E+15

Sphere

Radius = n
Volume 9.6339432732774E+22
Surface area 1.0162959174859E+16
Circumference 178683737.0397

Square

Length = n
Perimeter 113753600
Area 808742594560000
Diagonal 40217970.972191

Cube

Length = n
Surface area 4852455567360000
Volume 2.2999345401135E+22
Space diagonal 49256753.685967

Equilateral Triangle

Length = n
Perimeter 85315200
Area 3.5019581600575E+14
Altitude 24628376.842983

Triangular Pyramid

Length = n
Surface area 3.5019581600575E+14
Volume 2.7104988493324E+21
Height 13405990.324064