28161745 (number)

28161745 is an odd 8-digits composite number following 28161744 and preceding 28161746. In scientific notation, it is written as 2.8161745 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 22100544 positive integers (up to 28161745) that are relatively prime to 28161745.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred sixty-one thousand seven hundred forty-five

Notation

Scientific notation 2.8161745 × 10^7
Engineering notation 2.8161745 × 10^6

Prime Factorization of 28161745

Prime Factorization 5 × 103 × 149 × 367

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28161745
Product of the distinct prime numbers

The prime factorization of 28161745 is 5 × 103 × 149 × 367. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 1, 39, 53, 676, 315, 9894, 2029, 84312, 33106, 76889, 1331, 8679122, 789267, 67230623, 66349643, 454439638, 195650235, 2675792528, 3807653345

Basic calculations (n = 28161745)

Multiplication

n×y
n×2 56323490
n×3 84485235
n×4 112646980
n×5 140808725

Division

n÷y
n÷2 14080872.5
n÷3 9387248.3333333
n÷3 7040436.25
n÷5 5632349

Exponentiation

ny
n2 793083881445025
n3 2.2334626032865E+22
n4 6.2898204300791E+29
n5 1.7713231904768E+37

Nth Root

y√n
2√n 5306.7640799267
3√n 304.242480966
4√n 72.847539971688
5√n 30.898109813013

Divisors of 28161745

1, 5, 103, 149, 367, 515, 745, 1835, 15347, 37801, 54683, 76735, 189005, 273415, 5632349, 28161745

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 -28161744
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 28161745 can be divided by 16 positive divisors. The sum of these divisors (counting 28161745) is 1, the average is 0.0625.

Base conversion 28161745

Base System Value
2 Binary 1101011011011011011010001
3 Ternary 1221222202122121
4 Quaternary 1223123123101
5 Quinary 24202133440
6 Senary 2443334241
8 Octal 153333321
10 Decimal 28161745
12 Duodecimal 9521381
16 Hexadecimal 1adb6d1
20 Vigesimal 8g0475
36 Base36 grlqp

Cryptographic Hash Functions

md5 30ca9e4356b3786883a925078f8140a1
sha1 2f7c2ea1f2e452cd2813aae260401e53cfd7fbeb
sha256 5b35670c15f9d85cc6ba8a27f1016460586c13a3348629e4afcb5a66f1a69daf
sha512 38be59dff9b0dced3a3dc8bea30a306046eebc40c8a56045f7fd0e81612ac6f4151d6f717c896be66f0f33360d14039d773fca52f276bc04a9e59f946411695a
ripemd-160 fc7070a6c29d67c0436149c2ed6c93f865f0e3bb

28161745 as geometric shapes

Circle

Radius = n
Diameter 56323490
Circumference 176945462.40854
Area 2.4915464956282E+15

Sphere

Radius = n
Volume 9.3555062754032E+22
Surface area 9.9661859825127E+15
Circumference 176945462.40854

Square

Length = n
Perimeter 112646980
Area 793083881445025
Diagonal 39826721.719093

Cube

Length = n
Surface area 4758503288670150
Volume 2.2334626032865E+22
Space diagonal 48777573.169799

Equilateral Triangle

Length = n
Perimeter 84485235
Area 3.4341539433168E+14
Altitude 24388786.584899

Triangular Pyramid

Length = n
Surface area 3.4341539433168E+14
Volume 2.6321609205174E+21
Height 13275573.906364