28261749 (number)

28261749 is an odd 8-digits composite number following 28261748 and preceding 28261750. In scientific notation, it is written as 2.8261749 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 18614000 positive integers (up to 28261749) that are relatively prime to 28261749.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred sixty-one thousand seven hundred forty-nine

Notation

Scientific notation 2.8261749 × 10^7
Engineering notation 2.8261749 × 10^6

Prime Factorization of 28261749

Prime Factorization 3 × 83 × 113501

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28261749
Product of the distinct prime numbers

The prime factorization of 28261749 is 3 × 83 × 113501. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28261749)

Multiplication

n×y
n×2 56523498
n×3 84785247
n×4 113046996
n×5 141308745

Division

n÷y
n÷2 14130874.5
n÷3 9420583
n÷3 7065437.25
n÷5 5652349.8

Exponentiation

ny
n2 798726456539001
n3 2.2573406634365E+22
n4 6.3796395237535E+29
n5 1.802997709308E+37

Nth Root

y√n
2√n 5316.1780444225
3√n 304.60218312872
4√n 72.912125496535
5√n 30.920022907437

Divisors of 28261749

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 -28261748
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 28261749 can be divided by 8 positive divisors. The sum of these divisors (counting 28261749) is 1, the average is 0.125.

Base conversion 28261749

Base System Value
2 Binary 1101011110011110101110101
3 Ternary 1222011211211110
4 Quaternary 1223303311311
5 Quinary 24213333444
6 Senary 2445425233
8 Octal 153636565
10 Decimal 28261749
12 Duodecimal 956b219
16 Hexadecimal 1af3d75
20 Vigesimal 8gce79
36 Base36 gtqwl

Cryptographic Hash Functions

md5 5b4ff057f70735a6a61b5b187c1b94aa
sha1 6610e6d552291f0386666cbe50c7e6b017c5ffde
sha256 c9a41d41310a42d26c4098eaf5986542a03cae72080c46d4f714daa985f2c748
sha512 4de80895ffac438b535d15a5ecf8cfe71a3de72d0691064b8f77f4d141ba626270fc7674fd7084979e824a2c9beeef24e1916a728981c068bd470aecd915afe1
ripemd-160 d430ce8a0b077ee4c9b5986e7d8766fc156daa25

28261749 as geometric shapes

Circle

Radius = n
Diameter 56523498
Circumference 177573806.072
Area 2.5092731680907E+15

Sphere

Radius = n
Volume 9.4555264598687E+22
Surface area 1.0037092672363E+16
Circumference 177573806.072

Square

Length = n
Perimeter 113046996
Area 798726456539001
Diagonal 39968148.732184

Cube

Length = n
Surface area 4792358739234006
Volume 2.2573406634365E+22
Space diagonal 48950785.178759

Equilateral Triangle

Length = n
Perimeter 84785247
Area 3.4585870101875E+14
Altitude 24475392.589379

Triangular Pyramid

Length = n
Surface area 3.4585870101875E+14
Volume 2.6603014842734E+21
Height 13322716.244061