28742732 (number)

28742732 is an even 8-digits composite number following 28742731 and preceding 28742733. In scientific notation, it is written as 2.8742732 × 10^7. The sum of its digits is 35. It has a total of 5 prime factors and 24 positive divisors. There are 13538448 positive integers (up to 28742732) that are relatively prime to 28742732.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred forty-two thousand seven hundred thirty-two

Notation

Scientific notation 2.8742732 × 10^7
Engineering notation 2.8742732 × 10^6

Prime Factorization of 28742732

Prime Factorization 2 × 2 × 23 × 67 × 4663

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14371366
Product of the distinct prime numbers

The prime factorization of 28742732 is 2 × 2 × 23 × 67 × 4663. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 9, 90, 91, 694, 920, 1592, 9875, 62644, 41178, 107885, 137025, 4804514, 54929, 24037182, 19204182, 505005560, 463523725, 5894901185, 2055914533

Basic calculations (n = 28742732)

Multiplication

n×y
n×2 57485464
n×3 86228196
n×4 114970928
n×5 143713660

Division

n÷y
n÷2 14371366
n÷3 9580910.6666667
n÷3 7185683
n÷5 5748546.4

Exponentiation

ny
n2 826144642823824
n3 2.3745654061921E+22
n4 6.825149708665E+29
n5 1.9617344893604E+37

Nth Root

y√n
2√n 5361.2248600483
3√n 306.32046680561
4√n 73.220385549711
5√n 31.02455844166

Divisors of 28742732

1, 2, 4, 23, 46, 67, 92, 134, 268, 1541, 3082, 4663, 6164, 9326, 18652, 107249, 214498, 312421, 428996, 624842, 1249684, 7185683, 14371366, 28742732

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28742731
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28742732 can be divided by 24 positive divisors. The sum of these divisors (counting 28742732) is 1, the average is 0.041666666666667.

Base conversion 28742732

Base System Value
2 Binary 1101101101001010001001100
3 Ternary 2000002021121122
4 Quaternary 1231221101030
5 Quinary 24324231412
6 Senary 2504020112
8 Octal 155512114
10 Decimal 28742732
12 Duodecimal 9761638
16 Hexadecimal 1b6944c
20 Vigesimal 8jcggc
36 Base36 h4218

Cryptographic Hash Functions

md5 f0e0030d37e311a8b5d9501386d39ef4
sha1 3e7abaf6375b669c7922fd631a93c6b5d5ee21e5
sha256 f2b19782c536bce577848dd7928e705f457226dd1cfc8c1c37b24614d267a07e
sha512 492d6fb707d8909f99d03cd7af8b909725c8c224e6d378b513add4c8aa394d67b4c4913517363b74e798c4cedd0f457d5f71d6b96107480cfd015d0e41e7af3f
ripemd-160 8df9d7ecfabd562fe692478c4419cde25e551c1b

28742732 as geometric shapes

Circle

Radius = n
Diameter 57485464
Circumference 180595911.3906
Area 2.5954099406979E+15

Sphere

Radius = n
Volume 9.946556314082E+22
Surface area 1.0381639762792E+16
Circumference 180595911.3906

Square

Length = n
Perimeter 114970928
Area 826144642823824
Diagonal 40648361.414055

Cube

Length = n
Surface area 4956867856942944
Volume 2.3745654061921E+22
Space diagonal 49783872.172336

Equilateral Triangle

Length = n
Perimeter 86228196
Area 3.5773112394293E+14
Altitude 24891936.086168

Triangular Pyramid

Length = n
Surface area 3.5773112394293E+14
Volume 2.7984521684824E+21
Height 13549453.804685