28103491 (number)

28103491 is an odd 8-digits composite number following 28103490 and preceding 28103492. In scientific notation, it is written as 2.8103491 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 25308480 positive integers (up to 28103491) that are relatively prime to 28103491.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred three thousand four hundred ninety-one

Notation

Scientific notation 2.8103491 × 10^7
Engineering notation 2.8103491 × 10^6

Prime Factorization of 28103491

Prime Factorization 13 × 41 × 52727

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28103491
Product of the distinct prime numbers

The prime factorization of 28103491 is 13 × 41 × 52727. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28103491)

Multiplication

n×y
n×2 56206982
n×3 84310473
n×4 112413964
n×5 140517455

Division

n÷y
n÷2 14051745.5
n÷3 9367830.3333333
n÷3 7025872.75
n÷5 5620698.2

Exponentiation

ny
n2 789806206387081
n3 2.2196311612943E+22
n4 6.2379384364755E+29
n5 1.7530784670804E+37

Nth Root

y√n
2√n 5301.2725830691
3√n 304.03255581052
4√n 72.809838504622
5√n 30.885316361145

Divisors of 28103491

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28103490
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28103491 can be divided by 8 positive divisors. The sum of these divisors (counting 28103491) is 1, the average is 0.125.

Base conversion 28103491

Base System Value
2 Binary 1101011001101001101000011
3 Ternary 1221212210202001
4 Quaternary 1223031031003
5 Quinary 24143302431
6 Senary 2442204431
8 Octal 153151503
10 Decimal 28103491
12 Duodecimal 94b3717
16 Hexadecimal 1acd343
20 Vigesimal 8fcieb
36 Base36 gqcsj

Cryptographic Hash Functions

md5 44d78950fa0d09aa1fb0d851282468a0
sha1 d057309ffdd332fa805d1e10a50e4d884087df2a
sha256 65b3e731fc70116f1e05e30cfed3209378045080633cb0c4efa89f71be146bd6
sha512 b17e9f6a7eb3965ae92bccf86020e0b5d024a1172247dbb4c9a874c4530049dc6aa5259923dba5909a08b87eee580870286336e556ad77e126458145b044d092
ripemd-160 1571c4b64b3d6d23964d5e3b1f5626951189060d

28103491 as geometric shapes

Circle

Radius = n
Diameter 56206982
Circumference 176579441.73165
Area 2.4812493757453E+15

Sphere

Radius = n
Volume 9.2975692666684E+22
Surface area 9.9249975029811E+15
Circumference 176579441.73165

Square

Length = n
Perimeter 112413964
Area 789806206387081
Diagonal 39744338.12223

Cube

Length = n
Surface area 4738837238322486
Volume 2.2196311612943E+22
Space diagonal 48676674.282055

Equilateral Triangle

Length = n
Perimeter 84310473
Area 3.4199611939891E+14
Altitude 24338337.141027

Triangular Pyramid

Length = n
Surface area 3.4199611939891E+14
Volume 2.615860409807E+21
Height 13248112.70741