28711997 (number)

28711997 is an odd 8-digits composite number following 28711996 and preceding 28711998. In scientific notation, it is written as 2.8711997 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 26679744 positive integers (up to 28711997) that are relatively prime to 28711997.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred eleven thousand nine hundred ninety-seven

Notation

Scientific notation 2.8711997 × 10^7
Engineering notation 2.8711997 × 10^6

Prime Factorization of 28711997

Prime Factorization 17 × 79 × 21379

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28711997
Product of the distinct prime numbers

The prime factorization of 28711997 is 17 × 79 × 21379. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28711997)

Multiplication

n×y
n×2 57423994
n×3 86135991
n×4 114847988
n×5 143559985

Division

n÷y
n÷2 14355998.5
n÷3 9570665.6666667
n÷3 7177999.25
n÷5 5742399.4

Exponentiation

ny
n2 824378771728009
n3 2.3669560820718E+22
n4 6.7960035927578E+29
n5 1.9512683476725E+37

Nth Root

y√n
2√n 5358.3576774978
3√n 306.21124363087
4√n 73.200803803632
5√n 31.017920604179

Divisors of 28711997

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 -28711996
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 28711997 can be divided by 8 positive divisors. The sum of these divisors (counting 28711997) is 1, the average is 0.125.

Base conversion 28711997

Base System Value
2 Binary 1101101100001110000111101
3 Ternary 2000000201110022
4 Quaternary 1231201300331
5 Quinary 24322240442
6 Senary 2503221525
8 Octal 155416075
10 Decimal 28711997
12 Duodecimal 97478a5
16 Hexadecimal 1b61c3d
20 Vigesimal 8j8jjh
36 Base36 h3ebh

Cryptographic Hash Functions

md5 cbf44797a97a18180d7bc94cbfb60650
sha1 26a0830cbfbd72301ecd9d374faf77d4ab5ace82
sha256 82892e85c6b36ad5e5db91d53114e23a9816603f8959f53d74df9598d4cd1b99
sha512 0a70b45c00dff472ce1fbe730b8d046485bb5c05f4b546cf3d3c165f5a8c0cfd5f73eb7b20534d283c15906894086f50a112854b7043f128006ab26797282f58
ripemd-160 2cb63df698d98ba9c6eb901474b6b996191f3e7e

28711997 as geometric shapes

Circle

Radius = n
Diameter 57423994
Circumference 180402797.69018
Area 2.5898622930361E+15

Sphere

Radius = n
Volume 9.914682451742E+22
Surface area 1.0359449172144E+16
Circumference 180402797.69018

Square

Length = n
Perimeter 114847988
Area 824378771728009
Diagonal 40604895.560216

Cube

Length = n
Surface area 4946272630368054
Volume 2.3669560820718E+22
Space diagonal 49730637.590765

Equilateral Triangle

Length = n
Perimeter 86135991
Area 3.5696647932853E+14
Altitude 24865318.795383

Triangular Pyramid

Length = n
Surface area 3.5696647932853E+14
Volume 2.7894844940062E+21
Height 13534965.186739