28391351 (number)

28391351 is an odd 8-digits composite number following 28391350 and preceding 28391352. In scientific notation, it is written as 2.8391351 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 28362312 positive integers (up to 28391351) that are relatively prime to 28391351.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred ninety-one thousand three hundred fifty-one

Notation

Scientific notation 2.8391351 × 10^7
Engineering notation 2.8391351 × 10^6

Prime Factorization of 28391351

Prime Factorization 1013 × 28027

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28391351
Product of the distinct prime numbers

The prime factorization of 28391351 is 1013 × 28027. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28391351)

Multiplication

n×y
n×2 56782702
n×3 85174053
n×4 113565404
n×5 141956755

Division

n÷y
n÷2 14195675.5
n÷3 9463783.6666667
n÷3 7097837.75
n÷5 5678270.2

Exponentiation

ny
n2 806068811605201
n3 2.2885382560436E+22
n4 6.4974692904262E+29
n5 1.8447193123621E+37

Nth Root

y√n
2√n 5328.353498033
3√n 305.06708548517
4√n 72.995571770026
5√n 30.94832948072

Divisors of 28391351

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 -28391350
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 28391351 can be divided by 4 positive divisors. The sum of these divisors (counting 28391351) is 1, the average is 0.25.

Base conversion 28391351

Base System Value
2 Binary 1101100010011011110110111
3 Ternary 1222102102121112
4 Quaternary 1230103132313
5 Quinary 24232010401
6 Senary 2452305235
8 Octal 154233667
10 Decimal 28391351
12 Duodecimal 961221b
16 Hexadecimal 1b137b7
20 Vigesimal 8h8i7b
36 Base36 gwiwn

Cryptographic Hash Functions

md5 6425bb4bb766575ac1651a2209fe8fde
sha1 1a057dbe3cae97223f6fe10ad3e264b4d3fab08c
sha256 50bda826f80ad8e0cfe6004bb457291815bbc82bd92d4088e96798671970ab77
sha512 e797947ca6a89ae3db24dfb53a6c3f11202b52fadcf33062e7dc522b572fe28cfadb9daa6ed185919dd4e72fd3ad4584cf2b226b57fa768cacaddcba5ae1d379
ripemd-160 eefa634681790d266615927b9fb25ee8dc075b20

28391351 as geometric shapes

Circle

Radius = n
Diameter 56782702
Circumference 178388119.45418
Area 2.5323398568268E+15

Sphere

Radius = n
Volume 9.5862066301944E+22
Surface area 1.0129359427307E+16
Circumference 178388119.45418

Square

Length = n
Perimeter 113565404
Area 806068811605201
Diagonal 40151433.638295

Cube

Length = n
Surface area 4836412869631206
Volume 2.2885382560436E+22
Space diagonal 49175262.427521

Equilateral Triangle

Length = n
Perimeter 85174053
Area 3.4903803402422E+14
Altitude 24587631.213761

Triangular Pyramid

Length = n
Surface area 3.4903803402422E+14
Volume 2.6970681997555E+21
Height 13383811.212765