Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

28131471 (number)

28131471 is an odd 8-digits composite number following 28131470 and preceding 28131472. In scientific notation, it is written as 2.8131471 × 10^7. The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors. There are 18754308 positive integers (up to 28131471) that are relatively prime to 28131471.

Interesting facts

28131471 has 4 divisors, whose sum is 31257200
The reverse of 28131471 is 17413182
Previous prime number is 9

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9

Name

Name	twenty-eight million one hundred thirty-one thousand four hundred seventy-one

Notation

Scientific notation	2.8131471 × 10^7
Engineering notation	2.8131471 × 10^6

Prime Factorization of 28131471

Prime Factorization 9 × 3125719

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28131471	Product of the distinct prime numbers

The prime factorization of 28131471 is 9 × 3125719. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 5, 47, 88, 199, 849, 9691, 1495, 74349, 77839, 261944, 877181, 8429580, 1472537, 31634064, 71642546, 759932781, 163192377, 1150636457, 2221341738

Basic calculations (n = 28131471)

Multiplication

n×y

n×2	56262942
n×3	84394413
n×4	112525884
n×5	140657355

Division

n÷y

n÷2	14065735.5
n÷3	9377157
n÷3	7032867.75
n÷5	5626294.2

Exponentiation

n^y

n²	791379660623841
n³	2.2262673972829E+22
n⁴	6.2628176724911E+29
n⁵	1.7618227373197E+37

Nth Root

^y√n

²√n	5303.9109155415
³√n	304.13342120742
⁴√n	72.827954217742
⁵√n	30.891463833768

Divisors of 28131471

1, 9, 3125719, 28131471

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	-28131470	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 28131471 can be divided by 4 positive divisors. The sum of these divisors (counting 28131471) is 1, the average is 0.25.

Base conversion 28131471

Base	System	Value
2	Binary	1101011010100000010001111
3	Ternary	1221221020010100
4	Quaternary	1223110002033
5	Quinary	24200201341
6	Senary	2442542143
8	Octal	153240217
10	Decimal	28131471
12	Duodecimal	9507953
16	Hexadecimal	1ad408f
20	Vigesimal	8fg8db
36	Base36	gqydr

Cryptographic Hash Functions

md5	bcfaf297a76d96dfed6329b4dc2e9703
sha1	76271c3f278897c972c5bef8cd0aa7ca6f372658
sha256	511305e6166635555c6eaab1ad3ac57d42506976b32199f4f5243599a4f5c7fa
sha512	1ab997a4d0d6a0a236ed7ad9a3e43824c241beece14a6b7810c07c472c26bfd9be61c660f23aa161dd6d6af6760bab9dae91345f7ec9cd006dc74ed3ce91d8b3
ripemd-160	f1dadebd3842c495fcef482cfb9a01f5ccc968a9

28131471 as geometric shapes

Circle

Radius = n

Diameter	56262942
Circumference	176755245.25655
Area	2.4861925280162E+15

Sphere

Radius = n

Volume	9.3253670669741E+22
Surface area	9.944770112065E+15
Circumference	176755245.25655

Square

Length = n

Perimeter	112525884
Area	791379660623841
Diagonal	39783907.817705

Cube

Length = n

Surface area	4748277963743046
Volume	2.2262673972829E+22
Space diagonal	48725137.06365

Equilateral Triangle

Length = n

Perimeter	84394413
Area	3.4267744506928E+14
Altitude	24362568.531825

Triangular Pyramid

Length = n

Surface area	3.4267744506928E+14
Volume	2.6236812889222E+21
Height	13261302.605902