28741145 (number)

28741145 is an odd 8-digits composite number following 28741144 and preceding 28741146. In scientific notation, it is written as 2.8741145 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 21993136 positive integers (up to 28741145) that are relatively prime to 28741145.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred forty-one thousand one hundred forty-five

Notation

Scientific notation 2.8741145 × 10^7
Engineering notation 2.8741145 × 10^6

Prime Factorization of 28741145

Prime Factorization 5 × 23 × 249923

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28741145
Product of the distinct prime numbers

The prime factorization of 28741145 is 5 × 23 × 249923. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 7, 94, 23, 664, 938, 1725, 9143, 16386, 90862, 102273, 948835, 6397543, 7512091, 39727630, 82858865, 51165165, 274232869, 8991489577, 3818886890

Basic calculations (n = 28741145)

Multiplication

n×y
n×2 57482290
n×3 86223435
n×4 114964580
n×5 143705725

Division

n÷y
n÷2 14370572.5
n÷3 9580381.6666667
n÷3 7185286.25
n÷5 5748229

Exponentiation

ny
n2 826053415911025
n3 2.3741721004444E+22
n4 6.8236424593827E+29
n5 1.9611929735328E+37

Nth Root

y√n
2√n 5361.0768507829
3√n 306.31482898004
4√n 73.219374831959
5√n 31.024215836359

Divisors of 28741145

1, 5, 23, 115, 249923, 1249615, 5748229, 28741145

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28741144
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28741145 can be divided by 8 positive divisors. The sum of these divisors (counting 28741145) is 1, the average is 0.125.

Base conversion 28741145

Base System Value
2 Binary 1101101101000111000011001
3 Ternary 2000002012102212
4 Quaternary 1231220320121
5 Quinary 24324204040
6 Senary 2504004505
8 Octal 155507031
10 Decimal 28741145
12 Duodecimal 9760735
16 Hexadecimal 1b68e19
20 Vigesimal 8jcch5
36 Base36 h40t5

Cryptographic Hash Functions

md5 407a1d544254c3b0e41a197f704a4841
sha1 31a3f87c1f5168e45692afe800e5cc1c228d6a17
sha256 cef1b831949be2c72fbe4d43021a926b628736fe14ae317c5da9a9009e839bda
sha512 16e0d2d56005f5b266f205f5565c3056479cc5958a6e5a69954a4d78eb9ff20ff818ff2abdfdd228af90b9567334b20eca2ffcb90ab364ce50f81d9debb4ee2a
ripemd-160 444aa36207e472e56a44229c353bd40c97ca2574

28741145 as geometric shapes

Circle

Radius = n
Diameter 57482290
Circumference 180585939.97552
Area 2.5951233428988E+15

Sphere

Radius = n
Volume 9.9449088388187E+22
Surface area 1.0380493371595E+16
Circumference 180585939.97552

Square

Length = n
Perimeter 114964580
Area 826053415911025
Diagonal 40646117.057132

Cube

Length = n
Surface area 4956320495466150
Volume 2.3741721004444E+22
Space diagonal 49781123.407704

Equilateral Triangle

Length = n
Perimeter 86223435
Area 3.5769162153093E+14
Altitude 24890561.703852

Triangular Pyramid

Length = n
Surface area 3.5769162153093E+14
Volume 2.7979886532136E+21
Height 13548705.685711