28432890 (number)

28432890 is an even 8-digits composite number following 28432889 and preceding 28432891. In scientific notation, it is written as 2.8432890 × 10^7. The sum of its digits is 36. It has a total of 7 prime factors and 128 positive divisors. There are 7076160 positive integers (up to 28432890) that are relatively prime to 28432890.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8432890 × 10^7
Engineering notation 2.8432890 × 10^6

Prime Factorization of 28432890

Prime Factorization 2 × 5 × 3 × 9 × 79 × 31 × 43

Composite number
ω Distinct Factors 7
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 28432890
Product of the distinct prime numbers

The prime factorization of 28432890 is 2 × 5 × 3 × 9 × 79 × 31 × 43. Since it has a total of 7 prime factors.

Most popular turbo-numbers

3, 10, 1, 79, 923, 391, 8042, 5135, 94970, 3570, 36147, 372342, 2210436, 4428245, 48398602, 95307792, 13467685, 911443629, 9063932084, 5033991865

Basic calculations (n = 28432890)

Multiplication

n×y
n×2 56865780
n×3 85298670
n×4 113731560
n×5 142164450

Division

n÷y
n÷2 14216445
n÷3 9477630
n÷3 7108222.5
n÷5 5686578

Exponentiation

ny
n2 808429233752100
n3 2.2985979476058E+22
n4 6.5355782598501E+29
n5 1.8582537774871E+37

Nth Root

y√n
2√n 5332.2499941394
3√n 305.21579282116
4√n 73.022256840907
5√n 30.95738020157

Divisors of 28432890

1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 43, 45, 54, 62, 79, 86, 90, 93, 129, 135, 155, 158, 186, 215, 237, 258, 270, 279, 310, 387, 395, 430, 465, 474, 558, 645, 711, 774, 790, 837, 930, 1161, 1185, 1290, 1333, 1395, 1422, 1674, 1935, 2133, 2322, 2370, 2449, 2666, 2790, 3397, 3555, 3870, 3999, 4185, 4266, 4898, 5805, 6665, 6794, 7110, 7347, 7998, 8370, 10191, 10665, 11610, 11997, 12245, 13330, 14694, 16985, 19995, 20382, 21330, 22041, 23994, 24490, 30573, 33970, 35991, 36735, 39990, 44082, 50955, 59985, 61146, 66123, 71982, 73470, 91719, 101910, 105307, 110205, 119970, 132246, 152865, 179955, 183438, 210614, 220410, 305730, 315921, 330615, 359910, 458595, 526535, 631842, 661230, 917190, 947763, 1053070, 1579605, 1895526, 2843289, 3159210, 4738815, 5686578, 9477630, 14216445, 28432890

128 divisors

τ Total Divisors 128
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28432889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0078125
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 128
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28432890 can be divided by 128 positive divisors. The sum of these divisors (counting 28432890) is 1, the average is 0.0078125.

Base conversion 28432890

Base System Value
2 Binary 1101100011101100111111010
3 Ternary 1222111112121000
4 Quaternary 1230131213322
5 Quinary 24234323030
6 Senary 2453225430
8 Octal 154354772
10 Decimal 28432890
12 Duodecimal 9632276
16 Hexadecimal 1b1d9fa
20 Vigesimal 8he24a
36 Base36 gxeyi

Cryptographic Hash Functions

md5 8b2c9c84c026ff0df3e70fb254ef6527
sha1 10f01e5c7c69e9e0841dee348aaf8d8cd13ad0b0
sha256 c50aa6308315299c909cd00dcb6d107548b5ca8d26201349dda6c1ad1acdded5
sha512 05b480455df18c339ce7f99646e59fe5ad8e908225a9872bea7d7fe487e05abcf4f672811447663d95df5acce5e4e67cf0379d79de314a86d4341aa390c2c957
ripemd-160 9f3e2ab7c4173d6f7bfef39589a569cca0cc52d2

28432890 as geometric shapes

Circle

Radius = n
Diameter 56865780
Circumference 178649116.68865
Area 2.5397553417028E+15

Sphere

Radius = n
Volume 9.6283445676732E+22
Surface area 1.0159021366811E+16
Circumference 178649116.68865

Square

Length = n
Perimeter 113731560
Area 808429233752100
Diagonal 40210178.655462

Cube

Length = n
Surface area 4850575402512600
Volume 2.2985979476058E+22
Space diagonal 49247210.086017

Equilateral Triangle

Length = n
Perimeter 85298670
Area 3.5006012679565E+14
Altitude 24623605.043009

Triangular Pyramid

Length = n
Surface area 3.5006012679565E+14
Volume 2.7089236599559E+21
Height 13403392.885154