28681641 (number)

28681641 is an odd 8-digits composite number following 28681640 and preceding 28681642. In scientific notation, it is written as 2.8681641 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 19074384 positive integers (up to 28681641) that are relatively prime to 28681641.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred eighty-one thousand six hundred forty-one

Notation

Scientific notation 2.8681641 × 10^7
Engineering notation 2.8681641 × 10^6

Prime Factorization of 28681641

Prime Factorization 9 × 3 × 2087 × 509

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28681641
Product of the distinct prime numbers

The prime factorization of 28681641 is 9 × 3 × 2087 × 509. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 7, 35, 38, 17, 127, 6633, 6666, 12580, 40248, 335663, 645087, 8057696, 361569, 52913607, 87756166, 688126579, 557577945, 8504677945, 5728407085

Basic calculations (n = 28681641)

Multiplication

n×y
n×2 57363282
n×3 86044923
n×4 114726564
n×5 143408205

Division

n÷y
n÷2 14340820.5
n÷3 9560547
n÷3 7170410.25
n÷5 5736328.2

Exponentiation

ny
n2 822636530452881
n3 2.3594565639935E+22
n4 6.7673086123555E+29
n5 1.9409751615579E+37

Nth Root

y√n
2√n 5355.5243440769
3√n 306.1032907741
4√n 73.181448086772
5√n 31.011359037263

Divisors of 28681641

1, 3, 9, 27, 509, 1527, 2087, 4581, 6261, 13743, 18783, 56349, 1062283, 3186849, 9560547, 28681641

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 -28681640
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 28681641 can be divided by 16 positive divisors. The sum of these divisors (counting 28681641) is 1, the average is 0.0625.

Base conversion 28681641

Base System Value
2 Binary 1101101011010010110101001
3 Ternary 1222222011211000
4 Quaternary 1231122112221
5 Quinary 24320303031
6 Senary 2502425213
8 Octal 155322651
10 Decimal 28681641
12 Duodecimal 9732209
16 Hexadecimal 1b5a5a9
20 Vigesimal 8j5421
36 Base36 h2qw9

Cryptographic Hash Functions

md5 313dc346068055ba5633f29fa8821cd0
sha1 f4759da89cb53e2a46e4f6d103453bc1cbe520d7
sha256 01f9c823e9a87c8e5362c57307e798b11190102411d4524a16cc8360f5fa8d58
sha512 eb08a9ad633549ea7d9513a976f1b754dfde3ff7e1fec8434ce9149464fcf9518b0e407a4941cd969a6f8ca62bd4c2d8f94dda8b7710fcd5172bb6f8faaaebcd
ripemd-160 6f29da90c2ca0f3404e688033f4b652dd5d3b15a

28681641 as geometric shapes

Circle

Radius = n
Diameter 57363282
Circumference 180212065.317
Area 2.5843888806454E+15

Sphere

Radius = n
Volume 9.883268543875E+22
Surface area 1.0337555522581E+16
Circumference 180212065.317

Square

Length = n
Perimeter 114726564
Area 822636530452881
Diagonal 40561965.693316

Cube

Length = n
Surface area 4935819182717286
Volume 2.3594565639935E+22
Space diagonal 49678059.456451

Equilateral Triangle

Length = n
Perimeter 86044923
Area 3.5621206672664E+14
Altitude 24839029.728225

Triangular Pyramid

Length = n
Surface area 3.5621206672664E+14
Volume 2.7806462271915E+21
Height 13520655.231105