28390655 (number)

28390655 is an odd 8-digits composite number following 28390654 and preceding 28390656. In scientific notation, it is written as 2.8390655 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 20321280 positive integers (up to 28390655) that are relatively prime to 28390655.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred ninety thousand six hundred fifty-five

Notation

Scientific notation 2.8390655 × 10^7
Engineering notation 2.8390655 × 10^6

Prime Factorization of 28390655

Prime Factorization 19 × 205 × 197 × 37

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28390655
Product of the distinct prime numbers

The prime factorization of 28390655 is 19 × 205 × 197 × 37. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 6, 35, 13, 896, 795, 8675, 2243, 40870, 47356, 151275, 415749, 3867310, 191474, 34181498, 42729218, 906997812, 856470427, 5599203164, 5737552554

Basic calculations (n = 28390655)

Multiplication

n×y
n×2 56781310
n×3 85171965
n×4 113562620
n×5 141953275

Division

n÷y
n÷2 14195327.5
n÷3 9463551.6666667
n÷3 7097663.75
n÷5 5678131

Exponentiation

ny
n2 806029291329025
n3 2.2883699530017E+22
n4 6.4968321848037E+29
n5 1.8444932115166E+37

Nth Root

y√n
2√n 5328.2881866506
3√n 305.06459260831
4√n 72.995124403282
5√n 30.948177742618

Divisors of 28390655

1, 19, 37, 197, 205, 703, 3743, 3895, 7289, 7585, 40385, 138491, 144115, 767315, 1494245, 28390655

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 -28390654
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 28390655 can be divided by 16 positive divisors. The sum of these divisors (counting 28390655) is 1, the average is 0.0625.

Base conversion 28390655

Base System Value
2 Binary 1101100010011010011111111
3 Ternary 1222102101122202
4 Quaternary 1230103103333
5 Quinary 24232000110
6 Senary 2452302115
8 Octal 154232377
10 Decimal 28390655
12 Duodecimal 961193b
16 Hexadecimal 1b134ff
20 Vigesimal 8h8gcf
36 Base36 gwidb

Cryptographic Hash Functions

md5 0aa83900fd3d1b7ce169bb7005e067ea
sha1 fa924a7edf5612af86174ffe99fd5c705a95e963
sha256 8b60be5d5d20347ea11fc8d85a18b93b988a9a25485d51a93d1a0f144efadbbe
sha512 2837f6c736217c454c3031641885073f8b149cfba8aa9becc0479fb0af2a19ee4a2043e08fb486ed6d4db75634c6770cd67fd134df74a4184f9825729e48c4b1
ripemd-160 7380c3d647546ad55a26b0a30a21e8d5849235e9

28390655 as geometric shapes

Circle

Radius = n
Diameter 56781310
Circumference 178383746.3572
Area 2.5322157002175E+15

Sphere

Radius = n
Volume 9.5855016440609E+22
Surface area 1.012886280087E+16
Circumference 178383746.3572

Square

Length = n
Perimeter 113562620
Area 806029291329025
Diagonal 40150449.345656

Cube

Length = n
Surface area 4836175747974150
Volume 2.2883699530017E+22
Space diagonal 49174056.920159

Equilateral Triangle

Length = n
Perimeter 85171965
Area 3.4902092124265E+14
Altitude 24587028.46008

Triangular Pyramid

Length = n
Surface area 3.4902092124265E+14
Volume 2.6968698527184E+21
Height 13383483.115219