28128532 (number)

28128532 is an even 8-digits composite number following 28128531 and preceding 28128533. In scientific notation, it is written as 2.8128532 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 13610520 positive integers (up to 28128532) that are relatively prime to 28128532.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred twenty-eight thousand five hundred thirty-two

Notation

Scientific notation 2.8128532 × 10^7
Engineering notation 2.8128532 × 10^6

Prime Factorization of 28128532

Prime Factorization 2 × 2 × 31 × 226843

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14064266
Product of the distinct prime numbers

The prime factorization of 28128532 is 2 × 2 × 31 × 226843. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 10, 3, 96, 980, 390, 8606, 4812, 53601, 76138, 244337, 802461, 9092013, 2528585, 64230823, 18036558, 363054433, 55223514, 2132746571, 4600467392

Basic calculations (n = 28128532)

Multiplication

n×y
n×2 56257064
n×3 84385596
n×4 112514128
n×5 140642660

Division

n÷y
n÷2 14064266
n÷3 9376177.3333333
n÷3 7032133
n÷5 5625706.4

Exponentiation

ny
n2 791214312475024
n3 2.2255697107312E+22
n4 6.2602008826532E+29
n5 1.7609026085414E+37

Nth Root

y√n
2√n 5303.6338485985
3√n 304.12282951985
4√n 72.826051991018
5√n 30.890818337438

Divisors of 28128532

1, 2, 4, 31, 62, 124, 226843, 453686, 907372, 7032133, 14064266, 28128532

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28128531
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28128532 can be divided by 12 positive divisors. The sum of these divisors (counting 28128532) is 1, the average is 0.083333333333333.

Base conversion 28128532

Base System Value
2 Binary 1101011010011010100010100
3 Ternary 1221221002002111
4 Quaternary 1223103110110
5 Quinary 24200103112
6 Senary 2442520404
8 Octal 153232424
10 Decimal 28128532
12 Duodecimal 9506104
16 Hexadecimal 1ad3514
20 Vigesimal 8fg16c
36 Base36 gqw44

Cryptographic Hash Functions

md5 e39c8b3955e3471a7e5810cb486b5f59
sha1 9f4e7479c5f6a83a1786e9d485fc1bdf9da79409
sha256 36feff2f0883e1341d0121ee8d2f085fd9d8474864d8add23f10720f003e0b2f
sha512 1750259c217b11e1ecb5f0ded4f33851770164667685bdb1219be3ff395204fd0f6b22ff293c0d438c6f3aa404f28135bd2e13b9103190dad6cf5492f9e6a208
ripemd-160 88b3e2f32b8d586a8e16c0d71197ca36271c166d

28128532 as geometric shapes

Circle

Radius = n
Diameter 56257064
Circumference 176736778.97493
Area 2.4856730714866E+15

Sphere

Radius = n
Volume 9.32244460438E+22
Surface area 9.9426922859465E+15
Circumference 176736778.97493

Square

Length = n
Perimeter 112514128
Area 791214312475024
Diagonal 39779751.444046

Cube

Length = n
Surface area 4747285874850144
Volume 2.2255697107312E+22
Space diagonal 48720046.566327

Equilateral Triangle

Length = n
Perimeter 84385596
Area 3.426058472206E+14
Altitude 24360023.283164

Triangular Pyramid

Length = n
Surface area 3.426058472206E+14
Volume 2.6228590574357E+21
Height 13259917.148015