28131472 (number)

28131472 is an even 8-digits composite number following 28131471 and preceding 28131473. In scientific notation, it is written as 2.8131472 × 10^7. The sum of its digits is 28. It has a total of 6 prime factors and 20 positive divisors. There are 14013440 positive integers (up to 28131472) that are relatively prime to 28131472.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred thirty-one thousand four hundred seventy-two

Notation

Scientific notation 2.8131472 × 10^7
Engineering notation 2.8131472 × 10^6

Prime Factorization of 28131472

Prime Factorization 2 × 2 × 2 × 2 × 281 × 6257

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 3516434
Product of the distinct prime numbers

The prime factorization of 28131472 is 2 × 2 × 2 × 2 × 281 × 6257. Since it has a total of 6 prime factors.

Most popular turbo-numbers

9, 10, 79, 92, 868, 91, 4902, 734, 80169, 54354, 802132, 26713, 2523220, 307914, 45706245, 61641488, 496979104, 529780549, 4586618741, 9266639947

Basic calculations (n = 28131472)

Multiplication

n×y
n×2 56262944
n×3 84394416
n×4 112525888
n×5 140657360

Division

n÷y
n÷2 14065736
n÷3 9377157.3333333
n÷3 7032868
n÷5 5626294.4

Exponentiation

ny
n2 791379716886784
n3 2.2262676346968E+22
n4 6.2628185629981E+29
n5 1.7618230504606E+37

Nth Root

y√n
2√n 5303.9110098115
3√n 304.13342481113
4√n 72.827954864952
5√n 30.89146405339

Divisors of 28131472

1, 2, 4, 8, 16, 281, 562, 1124, 2248, 4496, 6257, 12514, 25028, 50056, 100112, 1758217, 3516434, 7032868, 14065736, 28131472

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28131471
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28131472 can be divided by 20 positive divisors. The sum of these divisors (counting 28131472) is 1, the average is 0.05.

Base conversion 28131472

Base System Value
2 Binary 1101011010100000010010000
3 Ternary 1221221020010101
4 Quaternary 1223110002100
5 Quinary 24200201342
6 Senary 2442542144
8 Octal 153240220
10 Decimal 28131472
12 Duodecimal 9507954
16 Hexadecimal 1ad4090
20 Vigesimal 8fg8dc
36 Base36 gqyds

Cryptographic Hash Functions

md5 a930e4e2bbce52fccef0d3f67387e8cc
sha1 eabf8e9cc47a175494190ca4c32ef2d66021d968
sha256 2c2978b86d53114533611eff7d6271f13f8ef2f8a285b0a631682edb70ff3958
sha512 8d597d640deaddeba977ed948700f2165f993cdb408cde15fb55fc3005651a534a56e1c02cac050047d978ca97f11be11440aab31e678861619df07bf82b10de
ripemd-160 fa5fb70fbad6948f9ffc48d315fac13a7fa59de2

28131472 as geometric shapes

Circle

Radius = n
Diameter 56262944
Circumference 176755251.53973
Area 2.4861927047715E+15

Sphere

Radius = n
Volume 9.3253680614511E+22
Surface area 9.944770819086E+15
Circumference 176755251.53973

Square

Length = n
Perimeter 112525888
Area 791379716886784
Diagonal 39783909.231919

Cube

Length = n
Surface area 4748278301320704
Volume 2.2262676346968E+22
Space diagonal 48725138.795701

Equilateral Triangle

Length = n
Perimeter 84394416
Area 3.4267746943185E+14
Altitude 24362569.397851

Triangular Pyramid

Length = n
Surface area 3.4267746943185E+14
Volume 2.6236815687171E+21
Height 13261303.077306