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

28909721 (number)

28909721 is an odd 8-digits prime number following 28909720 and preceding 28909722. In scientific notation, it is written as 2.8909721 × 10^7. The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors. There are 28909720 positive integers (up to 28909721) that are relatively prime to 28909721.

Interesting facts

28909721 has 2 divisors, whose sum is 28909722
The reverse of 28909721 is 12790982
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	twenty-eight million nine hundred nine thousand seven hundred twenty-one

Notation

Scientific notation	2.8909721 × 10^7
Engineering notation	2.8909721 × 10^6

Prime Factorization of 28909721

Prime Factorization 28909721

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	28909721	Product of the distinct prime numbers

The prime factorization of 28909721 is 28909721. Since it has a total of 1 prime factors.

Most popular turbo-numbers

7, 3, 35, 24, 410, 775, 9150, 2335, 90506, 27738, 635407, 903108, 4263409, 7828547, 28799615, 921432, 658790044, 641166434, 2686277191, 5390429491

Basic calculations (n = 28909721)

Multiplication

n×y

n×2	57819442
n×3	86729163
n×4	115638884
n×5	144548605

Division

n÷y

n÷2	14454860.5
n÷3	9636573.6666667
n÷3	7227430.25
n÷5	5781944.2

Exponentiation

n^y

n²	835771968297841
n³	2.4161934423111E+22
n⁴	6.9851478299245E+29
n⁵	2.0193867490687E+37

Nth Root

^y√n

²√n	5376.7760786553
³√n	306.91254002947
⁴√n	73.326503248521
⁵√n	31.06052414008

Divisors of 28909721

1, 28909721

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	28909722	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	14454861	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	5376.7761716478	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999308191	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28909721 can be divided by 2 positive divisors. The sum of these divisors (counting 28909721) is 28909722, the average is 14454861.

Base conversion 28909721

Base	System	Value
2	Binary	1101110010010000010011001
3	Ternary	2000101202200102
4	Quaternary	1232102002121
5	Quinary	24400102341
6	Senary	2511345145
8	Octal	156220231
10	Decimal	28909721
12	Duodecimal	98221b5
16	Hexadecimal	1b92099
20	Vigesimal	90de61
36	Base36	h7mvt

Cryptographic Hash Functions

md5	9a1ff79583611320c53376f036e594d8
sha1	b04868c5a97a2770a6ff50a58fdd4a997eaf11f1
sha256	dbe48821bee238221f6f42f6bafbe8b6d34b62d630973a42d081b3a9bcb1cad8
sha512	d6dab69e41a3f0e55f4c213beb499829ec24cab8640760b2ca70feac8c85df020cdce100b54b5b52622e5af632b1a4e142633f691512ba9a0e5c3e2a269740ac
ripemd-160	16b04b79c5130a9b41d8ea2a66df44ebaff3d8a3

28909721 as geometric shapes

Circle

Radius = n

Diameter	57819442
Circumference	181645134.22186
Area	2.6256550756808E+15

Sphere

Radius = n

Volume	1.0120927424022E+23
Surface area	1.0502620302723E+16
Circumference	181645134.22186

Square

Length = n

Perimeter	115638884
Area	835771968297841
Diagonal	40884519.522622

Cube

Length = n

Surface area	5014631809787046
Volume	2.4161934423111E+22
Space diagonal	50073105.604641

Equilateral Triangle

Length = n

Perimeter	86729163
Area	3.6189987815843E+14
Altitude	25036552.80232

Triangular Pyramid

Length = n

Surface area	3.6189987815843E+14
Volume	2.8475112795278E+21
Height	13628173.174207