28001449 (number)

28001449 is an odd 8-digits composite number following 28001448 and preceding 28001450. In scientific notation, it is written as 2.8001449 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 23964336 positive integers (up to 28001449) that are relatively prime to 28001449.

Interesting facts

Basic properties

Name

Name twenty-eight million one thousand four hundred forty-nine

Notation

Scientific notation 2.8001449 × 10^7
Engineering notation 2.8001449 × 10^6

Prime Factorization of 28001449

Prime Factorization 7 × 739 × 5413

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28001449
Product of the distinct prime numbers

The prime factorization of 28001449 is 7 × 739 × 5413. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28001449)

Multiplication

n×y
n×2 56002898
n×3 84004347
n×4 112005796
n×5 140007245

Division

n÷y
n÷2 14000724.5
n÷3 9333816.3333333
n÷3 7000362.25
n÷5 5600289.8

Exponentiation

ny
n2 784081146099601
n3 2.195540822437E+22
n4 6.1478324366886E+29
n5 1.7214821643648E+37

Nth Root

y√n
2√n 5291.6395379882
3√n 303.66413521319
4√n 72.743656341898
5√n 30.862855188952

Divisors of 28001449

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 -28001448
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 28001449 can be divided by 8 positive divisors. The sum of these divisors (counting 28001449) is 1, the average is 0.125.

Base conversion 28001449

Base System Value
2 Binary 1101010110100010010101001
3 Ternary 1221200121202201
4 Quaternary 1222310102221
5 Quinary 24132021244
6 Senary 2440100201
8 Octal 152642251
10 Decimal 28001449
12 Duodecimal 9464661
16 Hexadecimal 1ab44a9
20 Vigesimal 8f03c9
36 Base36 go621

Cryptographic Hash Functions

md5 948038b50244bf38b8a3e6f1c029b7b1
sha1 422bd8983079970018d53ff467d22038e6825a79
sha256 28b3843127439baf9b6222ea1bcb03935ff1925e76eeaae88382d56c7738dd46
sha512 12879e916d8db94b5063eaf4d98603240034b56230591d72b75cddaa6d6d98b07c29b26f3c8dc4ee0e5d893f34b234036318bd4135609ac350e2c4303243ae77
ripemd-160 1267ec9cd408296bc84b5c29ef50aa180a13b05e

28001449 as geometric shapes

Circle

Radius = n
Diameter 56002898
Circumference 175938292.93654
Area 2.4632635684048E+15

Sphere

Radius = n
Volume 9.1966598912326E+22
Surface area 9.8530542736191E+15
Circumference 175938292.93654

Square

Length = n
Perimeter 112005796
Area 784081146099601
Diagonal 39600028.941899

Cube

Length = n
Surface area 4704486876597606
Volume 2.195540822437E+22
Space diagonal 48499932.353549

Equilateral Triangle

Length = n
Perimeter 84004347
Area 3.3951709557534E+14
Altitude 24249966.176774

Triangular Pyramid

Length = n
Surface area 3.3951709557534E+14
Volume 2.5874696731951E+21
Height 13200009.6473