28397745 (number)

28397745 is an odd 8-digits composite number following 28397744 and preceding 28397746. In scientific notation, it is written as 2.8397745 × 10^7. The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors. There are 15145440 positive integers (up to 28397745) that are relatively prime to 28397745.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred ninety-seven thousand seven hundred forty-five

Notation

Scientific notation 2.8397745 × 10^7
Engineering notation 2.8397745 × 10^6

Prime Factorization of 28397745

Prime Factorization 45 × 631061

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28397745
Product of the distinct prime numbers

The prime factorization of 28397745 is 45 × 631061. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 7, 87, 93, 459, 575, 6227, 6871, 86800, 56433, 914661, 793051, 2065342, 6608402, 36177422, 77949455, 926942350, 105323186, 4274105810, 4323591985

Basic calculations (n = 28397745)

Multiplication

n×y
n×2 56795490
n×3 85193235
n×4 113590980
n×5 141988725

Division

n÷y
n÷2 14198872.5
n÷3 9465915
n÷3 7099436.25
n÷5 5679549

Exponentiation

ny
n2 806431921085025
n3 2.2900848054833E+22
n4 6.5033244334488E+29
n5 1.8467974891335E+37

Nth Root

y√n
2√n 5328.9534619848
3√n 305.08998509442
4√n 72.999681245775
5√n 30.949723326296

Divisors of 28397745

1, 45, 631061, 28397745

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28397744
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28397745 can be divided by 4 positive divisors. The sum of these divisors (counting 28397745) is 1, the average is 0.25.

Base conversion 28397745

Base System Value
2 Binary 1101100010101000010110001
3 Ternary 1222102202101100
4 Quaternary 1230111002301
5 Quinary 24232211440
6 Senary 2452355013
8 Octal 154250261
10 Decimal 28397745
12 Duodecimal 9615a69
16 Hexadecimal 1b150b1
20 Vigesimal 8h9e75
36 Base36 gwnu9

Cryptographic Hash Functions

md5 197c4dd6fd31b0c9dd0f1816549a13fa
sha1 9626becd7ff93838fed1332083e7be9868253167
sha256 b31a44eb01ea5a0ddc56516b443f59d8297e656fa90f7dea8365b2d77f08fe36
sha512 400ffa573bc45f0b2552e48b9c25854330241de4537df7b24af84f92f46946aacdb05c0c2aa947a6e26e5c8b9200c16b8728b2403a15c3d5cd4e36a6177319c3
ripemd-160 a2d42e68688a461a459edcd0549c5d689c54922c

28397745 as geometric shapes

Circle

Radius = n
Diameter 56795490
Circumference 178428294.14103
Area 2.533480598901E+15

Sphere

Radius = n
Volume 9.5926848013385E+22
Surface area 1.0133922395604E+16
Circumference 178428294.14103

Square

Length = n
Perimeter 113590980
Area 806431921085025
Diagonal 40160476.119813

Cube

Length = n
Surface area 4838591526510150
Volume 2.2900848054833E+22
Space diagonal 49186337.160385

Equilateral Triangle

Length = n
Perimeter 85193235
Area 3.4919526504116E+14
Altitude 24593168.580193

Triangular Pyramid

Length = n
Surface area 3.4919526504116E+14
Volume 2.6988908257492E+21
Height 13386825.373271