28668745 (number)

28668745 is an odd 8-digits composite number following 28668744 and preceding 28668746. In scientific notation, it is written as 2.8668745 × 10^7. The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors. There are 19158048 positive integers (up to 28668745) that are relatively prime to 28668745.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred sixty-eight thousand seven hundred forty-five

Notation

Scientific notation 2.8668745 × 10^7
Engineering notation 2.8668745 × 10^6

Prime Factorization of 28668745

Prime Factorization 301 × 5 × 43 × 443

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28668745
Product of the distinct prime numbers

The prime factorization of 28668745 is 301 × 5 × 43 × 443. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 9, 43, 67, 287, 857, 4847, 8679, 67663, 8460, 750354, 857687, 1549263, 9715424, 57370767, 47654437, 810767239, 6018360, 2608654418, 9680104155

Basic calculations (n = 28668745)

Multiplication

n×y
n×2 57337490
n×3 86006235
n×4 114674980
n×5 143343725

Division

n÷y
n÷2 14334372.5
n÷3 9556248.3333333
n÷3 7167186.25
n÷5 5733749

Exponentiation

ny
n2 821896939875025
n3 2.3562753785557E+22
n4 6.7551457977593E+29
n5 1.9366155231378E+37

Nth Root

y√n
2√n 5354.320218291
3√n 306.05740660474
4√n 73.173220636316
5√n 31.008569835406

Divisors of 28668745

1, 5, 43, 215, 301, 443, 1505, 2215, 12943, 19049, 64715, 95245, 133343, 666715, 5733749, 28668745

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28668744
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28668745 can be divided by 16 positive divisors. The sum of these divisors (counting 28668745) is 1, the average is 0.0625.

Base conversion 28668745

Base System Value
2 Binary 1101101010111001101001001
3 Ternary 1222221112010101
4 Quaternary 1231113031021
5 Quinary 24314344440
6 Senary 2502245401
8 Octal 155271511
10 Decimal 28668745
12 Duodecimal 9726861
16 Hexadecimal 1b57349
20 Vigesimal 8j3bh5
36 Base36 h2gy1

Cryptographic Hash Functions

md5 bfa597eeb26510d15b1fa91015bd5773
sha1 3e79a6bc946167aa8d5ecb8cb1ecfd6f6c3fc0d6
sha256 78c3c907e6c348e0976d1f832c7bef87cf8b698b5c7d4ebcc5f9bcdcf11e8233
sha512 04667a8d6963effaf37abb32b73fc23f6f995f492086911f789d3e06b4e3789cc4110db5c0c4ac50e586aff2b338f0198d1680d2931541b75c6e7f3c6ee78b6c
ripemd-160 a4f0ca89bf48b212ed60387870df7cd9a17d854c

28668745 as geometric shapes

Circle

Radius = n
Diameter 57337490
Circumference 180131037.35928
Area 2.5820653883193E+15

Sphere

Radius = n
Volume 9.8699432254736E+22
Surface area 1.0328261553277E+16
Circumference 180131037.35928

Square

Length = n
Perimeter 114674980
Area 821896939875025
Diagonal 40543727.995216

Cube

Length = n
Surface area 4931381639250150
Volume 2.3562753785557E+22
Space diagonal 49655722.929236

Equilateral Triangle

Length = n
Perimeter 86006235
Area 3.5589181461223E+14
Altitude 24827861.464618

Triangular Pyramid

Length = n
Surface area 3.5589181461223E+14
Volume 2.7768971641994E+21
Height 13514575.998405