28751490 (number)

28751490 is an even 8-digits composite number following 28751489 and preceding 28751491. In scientific notation, it is written as 2.8751490 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 7666992 positive integers (up to 28751490) that are relatively prime to 28751490.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred fifty-one thousand four hundred ninety

Notation

Scientific notation 2.8751490 × 10^7
Engineering notation 2.8751490 × 10^6

Prime Factorization of 28751490

Prime Factorization 2 × 135 × 106487

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28751490
Product of the distinct prime numbers

The prime factorization of 28751490 is 2 × 135 × 106487. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28751490)

Multiplication

n×y
n×2 57502980
n×3 86254470
n×4 115005960
n×5 143757450

Division

n÷y
n÷2 14375745
n÷3 9583830
n÷3 7187872.5
n÷5 5750298

Exponentiation

ny
n2 826648177220100
n3 2.3767366800862E+22
n4 6.8334720890131E+29
n5 1.9647250443254E+37

Nth Root

y√n
2√n 5362.0415887981
3√n 306.35157591304
4√n 73.225962532411
5√n 31.026448867192

Divisors of 28751490

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 -28751489
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 28751490 can be divided by 8 positive divisors. The sum of these divisors (counting 28751490) is 1, the average is 0.125.

Base conversion 28751490

Base System Value
2 Binary 1101101101011011010000010
3 Ternary 2000002201122000
4 Quaternary 1231223122002
5 Quinary 24330021430
6 Senary 2504124430
8 Octal 155533202
10 Decimal 28751490
12 Duodecimal 9766716
16 Hexadecimal 1b6b682
20 Vigesimal 8jdiea
36 Base36 h48si

Cryptographic Hash Functions

md5 b2f8e0e0b5bc683fd4fe2feeaedc8786
sha1 46ad71478d224dafe2cfe9e086602f1f0d611a75
sha256 df6216e5e74bb3aa67ad28124787354288daea863e3c5029560a609ca3e0c96f
sha512 36e5a27d3dad9830260495c7dce5b1cdb1c900bd49e2b0aada5b5b65157280807a5a8f8123401aa99a453eeb7772d4f6e86a41d55bb820fc9dbf21ac51371ba2
ripemd-160 f69bdd2a1a9540b44d2fa473b50a5129a67092cb

28751490 as geometric shapes

Circle

Radius = n
Diameter 57502980
Circumference 180650939.52752
Area 2.5969918406581E+15

Sphere

Radius = n
Volume 9.9556513249016E+22
Surface area 1.0387967362632E+16
Circumference 180650939.52752

Square

Length = n
Perimeter 115005960
Area 826648177220100
Diagonal 40660747.096434

Cube

Length = n
Surface area 4959889063320600
Volume 2.3767366800862E+22
Space diagonal 49799041.473308

Equilateral Triangle

Length = n
Perimeter 86254470
Area 3.5794916073235E+14
Altitude 24899520.736654

Triangular Pyramid

Length = n
Surface area 3.5794916073235E+14
Volume 2.8010110393062E+21
Height 13553582.365478