28751431 (number)

28751431 is an odd 8-digits prime number following 28751430 and preceding 28751432. In scientific notation, it is written as 2.8751431 × 10^7. The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors. There are 28751430 positive integers (up to 28751431) that are relatively prime to 28751431.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8751431 × 10^7
Engineering notation 2.8751431 × 10^6

Prime Factorization of 28751431

Prime Factorization 28751431

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 28751431
Product of the distinct prime numbers

The prime factorization of 28751431 is 28751431. Since it has a total of 1 prime factors.

Most popular turbo-numbers

9, 7, 23, 15, 237, 576, 4410, 5839, 6543, 2878, 329261, 151784, 4566054, 5920611, 74540548, 6857852, 972701544, 760471015, 3392845047, 5730468788

Basic calculations (n = 28751431)

Multiplication

n×y
n×2 57502862
n×3 86254293
n×4 115005724
n×5 143757155

Division

n÷y
n÷2 14375715.5
n÷3 9583810.3333333
n÷3 7187857.75
n÷5 5750286.2

Exponentiation

ny
n2 826644784547761
n3 2.3767220484435E+22
n4 6.8334159982001E+29
n5 1.9647048856655E+37

Nth Root

y√n
2√n 5362.0360871594
3√n 306.35136636152
4√n 73.225924966226
5√n 31.026436133508

Divisors of 28751431

1, 28751431

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 28751432
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 14375716
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 5362.0361804076
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999304382
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28751431 can be divided by 2 positive divisors. The sum of these divisors (counting 28751431) is 28751432, the average is 14375716.

Base conversion 28751431

Base System Value
2 Binary 1101101101011011001000111
3 Ternary 2000002201112211
4 Quaternary 1231223121013
5 Quinary 24330021211
6 Senary 2504124251
8 Octal 155533107
10 Decimal 28751431
12 Duodecimal 9766687
16 Hexadecimal 1b6b647
20 Vigesimal 8jdibb
36 Base36 h48qv

Cryptographic Hash Functions

md5 f7ee3beffe05184b7906fc3b3a439a5e
sha1 7bc02b156040bf26ad8a65391aeec1eac6615efe
sha256 ab5d2b57a4bb47e18e05d6ff6a0e78c4e400a048f68cb04311d3428ae7edee10
sha512 f37f2d8576cc2975c533e26bb13613a824c8c0b2baf1d97f2366fbc1e6d882a79b7a1668df85a7bf077b3af0813318c98c4f46b890d95287d11a8e9a243e823a
ripemd-160 52bcf2d77cfe626337907e3d220728a38c0224dc

28751431 as geometric shapes

Circle

Radius = n
Diameter 57502862
Circumference 180650568.81959
Area 2.5969811822636E+15

Sphere

Radius = n
Volume 9.9555900360199E+22
Surface area 1.0387924729054E+16
Circumference 180650568.81959

Square

Length = n
Perimeter 115005724
Area 826644784547761
Diagonal 40660663.657834

Cube

Length = n
Surface area 4959868707286566
Volume 2.3767220484435E+22
Space diagonal 49798939.282311

Equilateral Triangle

Length = n
Perimeter 86254293
Area 3.5794769166214E+14
Altitude 24899469.641155

Triangular Pyramid

Length = n
Surface area 3.5794769166214E+14
Volume 2.8009937957499E+21
Height 13553554.552611