28678445 (number)

28678445 is an odd 8-digits composite number following 28678444 and preceding 28678446. In scientific notation, it is written as 2.8678445 × 10^7. The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors. There are 22464000 positive integers (up to 28678445) that are relatively prime to 28678445.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred seventy-eight thousand four hundred forty-five

Notation

Scientific notation 2.8678445 × 10^7
Engineering notation 2.8678445 × 10^6

Prime Factorization of 28678445

Prime Factorization 5 × 101 × 109 × 521

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28678445
Product of the distinct prime numbers

The prime factorization of 28678445 is 5 × 101 × 109 × 521. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 1, 72, 59, 982, 920, 8562, 8185, 41388, 31671, 237135, 741928, 8182279, 2274850, 28330358, 19916649, 931086499, 806797619, 3658656012, 436477723

Basic calculations (n = 28678445)

Multiplication

n×y
n×2 57356890
n×3 86035335
n×4 114713780
n×5 143392225

Division

n÷y
n÷2 14339222.5
n÷3 9559481.6666667
n÷3 7169611.25
n÷5 5735689

Exponentiation

ny
n2 822453207618025
n3 2.3586679079747E+22
n4 6.7642927872118E+29
n5 1.9398939866195E+37

Nth Root

y√n
2√n 5355.2259522825
3√n 306.09192063833
4√n 73.179409346363
5√n 31.010667886283

Divisors of 28678445

1, 5, 101, 109, 505, 521, 545, 2605, 11009, 52621, 55045, 56789, 263105, 283945, 5735689, 28678445

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 -28678444
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 28678445 can be divided by 16 positive divisors. The sum of these divisors (counting 28678445) is 1, the average is 0.0625.

Base conversion 28678445

Base System Value
2 Binary 1101101011001100100101101
3 Ternary 1222222000102122
4 Quaternary 1231121210231
5 Quinary 24320202240
6 Senary 2502402325
8 Octal 155314455
10 Decimal 28678445
12 Duodecimal 97303a5
16 Hexadecimal 1b5992d
20 Vigesimal 8j4g25
36 Base36 h2ofh

Cryptographic Hash Functions

md5 ef80b2731419565cdb6803bf15e0cb54
sha1 921d9f2d70a8b868b8d092d650f65f268c7f7fa6
sha256 af0f11bdc2882c06ed810f2c01313178cb6005cdad5cde3e4fb1f2c771a7cdb1
sha512 250ad18f646c8d75508cba944f21fbb09a5952c5e2af12a1e1085a9d16d4acc91ac8ede4ad05a21bde5872701843f0cc8fa7fcd576b329c8a6215eee21f92a15
ripemd-160 b766c7a8fe567d611b45f6698863ae026382a7a7

28678445 as geometric shapes

Circle

Radius = n
Diameter 57356890
Circumference 180191984.25676
Area 2.5838129549741E+15

Sphere

Radius = n
Volume 9.8799650292685E+22
Surface area 1.0335251819897E+16
Circumference 180191984.25676

Square

Length = n
Perimeter 114713780
Area 822453207618025
Diagonal 40557445.866771

Cube

Length = n
Surface area 4934719245708150
Volume 2.3586679079747E+22
Space diagonal 49672523.82207

Equilateral Triangle

Length = n
Perimeter 86035335
Area 3.561326856106E+14
Altitude 24836261.911035

Triangular Pyramid

Length = n
Surface area 3.561326856106E+14
Volume 2.77971678716E+21
Height 13519148.622257