28490744 (number)

28490744 is an even 8-digits composite number following 28490743 and preceding 28490745. In scientific notation, it is written as 2.8490744 × 10^7. The sum of its digits is 38. It has a total of 5 prime factors and 16 positive divisors. There are 13625920 positive integers (up to 28490744) that are relatively prime to 28490744.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred ninety thousand seven hundred forty-four

Notation

Scientific notation 2.8490744 × 10^7
Engineering notation 2.8490744 × 10^6

Prime Factorization of 28490744

Prime Factorization 2 × 2 × 2 × 23 × 154841

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 7122686
Product of the distinct prime numbers

The prime factorization of 28490744 is 2 × 2 × 2 × 23 × 154841. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 3, 40, 67, 563, 855, 4190, 8576, 36191, 33710, 793499, 515246, 5853380, 2672258, 16537861, 16953201, 247721428, 391334413, 5884570664, 96387033

Basic calculations (n = 28490744)

Multiplication

n×y
n×2 56981488
n×3 85472232
n×4 113962976
n×5 142453720

Division

n÷y
n÷2 14245372
n÷3 9496914.6666667
n÷3 7122686
n÷5 5698148.8

Exponentiation

ny
n2 811722493673536
n3 2.3126577766294E+22
n4 6.5889340673558E+29
n5 1.8772363374591E+37

Nth Root

y√n
2√n 5337.6721517905
3√n 305.42266581758
4√n 73.059374154112
5√n 30.969968104841

Divisors of 28490744

1, 2, 4, 8, 23, 46, 92, 184, 154841, 309682, 619364, 1238728, 3561343, 7122686, 14245372, 28490744

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 -28490743
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 28490744 can be divided by 16 positive divisors. The sum of these divisors (counting 28490744) is 1, the average is 0.0625.

Base conversion 28490744

Base System Value
2 Binary 1101100101011101111111000
3 Ternary 1222121110221202
4 Quaternary 1230223233320
5 Quinary 24243200434
6 Senary 2454353332
8 Octal 154535770
10 Decimal 28490744
12 Duodecimal 965b848
16 Hexadecimal 1b2bbf8
20 Vigesimal 8i16h4
36 Base36 gynlk

Cryptographic Hash Functions

md5 2976b3dfa67b242691be8d82de0412c4
sha1 5dd81942dda1580f4fef8a7a9131f8761731a7d5
sha256 206f38cfa679c638e3243b1edaa4eb384a31581a9c84009f1a3ad857d06d98a1
sha512 266d2aa2e79ca7d95b60cc10adce5458cc5e0ea11b872eb882df3733531199e82e8f54efbbd9543a9568ac9e066e8a55f3c101dd4fbec59b882372fcd0e2a4d5
ripemd-160 3b55a80e5826ed29c3b03c78950f32190f7a7ed7

28490744 as geometric shapes

Circle

Radius = n
Diameter 56981488
Circumference 179012624.09141
Area 2.5501014228784E+15

Sphere

Radius = n
Volume 9.6872382417684E+22
Surface area 1.0200405691513E+16
Circumference 179012624.09141

Square

Length = n
Perimeter 113962976
Area 811722493673536
Diagonal 40291996.5669

Cube

Length = n
Surface area 4870334962041216
Volume 2.3126577766294E+22
Space diagonal 49347416.153438

Equilateral Triangle

Length = n
Perimeter 85472232
Area 3.5148615017227E+14
Altitude 24673708.076719

Triangular Pyramid

Length = n
Surface area 3.5148615017227E+14
Volume 2.7254933273641E+21
Height 13430665.5223