28305690 (number)

28305690 is an even 8-digits composite number following 28305689 and preceding 28305691. In scientific notation, it is written as 2.8305690 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors. There are 6469824 positive integers (up to 28305690) that are relatively prime to 28305690.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8305690 × 10^7
Engineering notation 2.8305690 × 10^6

Prime Factorization of 28305690

Prime Factorization 2 × 3 × 5 × 7 × 134789

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28305690
Product of the distinct prime numbers

The prime factorization of 28305690 is 2 × 3 × 5 × 7 × 134789. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 7, 26, 65, 745, 106, 619, 3312, 84945, 57717, 996291, 199919, 7806737, 6800365, 82717168, 32431715, 924601920, 280674329, 1723982266, 3749361892

Basic calculations (n = 28305690)

Multiplication

n×y
n×2 56611380
n×3 84917070
n×4 113222760
n×5 141528450

Division

n÷y
n÷2 14152845
n÷3 9435230
n÷3 7076422.5
n÷5 5661138

Exponentiation

ny
n2 801212086376100
n3 2.2678860941215E+22
n4 6.4194080735514E+29
n5 1.8170577491344E+37

Nth Root

y√n
2√n 5320.3092015408
3√n 304.75996522281
4√n 72.940449693848
5√n 30.929631743361

Divisors of 28305690

1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 134789, 269578, 404367, 673945, 808734, 943523, 1347890, 1887046, 2021835, 2830569, 4043670, 4717615, 5661138, 9435230, 14152845, 28305690

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28305689
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28305690 can be divided by 32 positive divisors. The sum of these divisors (counting 28305690) is 1, the average is 0.03125.

Base conversion 28305690

Base System Value
2 Binary 1101011111110100100011010
3 Ternary 1222021002002220
4 Quaternary 1223332210122
5 Quinary 24221240230
6 Senary 2450404510
8 Octal 153764432
10 Decimal 28305690
12 Duodecimal 9590736
16 Hexadecimal 1afe91a
20 Vigesimal 8gi44a
36 Base36 guot6

Cryptographic Hash Functions

md5 ce2f313a371915bf076fc71f662c15e8
sha1 acd26ed8aa349055328d71dda824d16a1892a293
sha256 fc1701064903e4773aafe106b6738071cb30153872c0b6829e41ff099814ce58
sha512 b0d155644935c00091136cd663e0c8cd10455d35cd7e75a3c12a7766c04632ab19df92ce879db0403430c9b7ee1bdf9a59c4b5866e827db022e8d7ac833efcc1
ripemd-160 fd3f553231a1c21358e38edf810e8e0126bd9c2f

28305690 as geometric shapes

Circle

Radius = n
Diameter 56611380
Circumference 177849895.51758
Area 2.5170820045265E+15

Sphere

Radius = n
Volume 9.4996990566275E+22
Surface area 1.0068328018106E+16
Circumference 177849895.51758

Square

Length = n
Perimeter 113222760
Area 801212086376100
Diagonal 40030290.690328

Cube

Length = n
Surface area 4807272518256600
Volume 2.2678860941215E+22
Space diagonal 49026893.223294

Equilateral Triangle

Length = n
Perimeter 84917070
Area 3.4693501031042E+14
Altitude 24513446.611647

Triangular Pyramid

Length = n
Surface area 3.4693501031042E+14
Volume 2.67272939352E+21
Height 13343430.230109