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

28261731 (number)

28261731 is an odd 8-digits composite number following 28261730 and preceding 28261732. In scientific notation, it is written as 2.8261731 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 18582912 positive integers (up to 28261731) that are relatively prime to 28261731.

Interesting facts

28261731 has 8 divisors, whose sum is 38198800
The reverse of 28261731 is 13716282
Previous prime number is 73

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

Name	twenty-eight million two hundred sixty-one thousand seven hundred thirty-one

Notation

Scientific notation	2.8261731 × 10^7
Engineering notation	2.8261731 × 10^6

Prime Factorization of 28261731

Prime Factorization 3 × 73 × 129049

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	28261731	Product of the distinct prime numbers

The prime factorization of 28261731 is 3 × 73 × 129049. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 10, 30, 20, 867, 982, 4678, 8656, 73734, 44436, 730672, 842840, 5022340, 2032644, 19915195, 84214803, 226561123, 999802000, 6766251683, 4276025436

Basic calculations (n = 28261731)

Multiplication

n×y

n×2	56523462
n×3	84785193
n×4	113046924
n×5	141308655

Division

n÷y

n÷2	14130865.5
n÷3	9420577
n÷3	7065432.75
n÷5	5652346.2

Exponentiation

n^y

n²	798725439116361
n³	2.2573363503163E+22
n⁴	6.3796232709162E+29
n⁵	1.8029919676397E+37

Nth Root

^y√n

²√n	5316.1763514767
³√n	304.60211846133
⁴√n	72.91211388704
⁵√n	30.920018968824

Divisors of 28261731

1, 3, 73, 219, 129049, 387147, 9420577, 28261731

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	-28261730	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 28261731 can be divided by 8 positive divisors. The sum of these divisors (counting 28261731) is 1, the average is 0.125.

Base conversion 28261731

Base	System	Value
2	Binary	1101011110011110101100011
3	Ternary	1222011211210210
4	Quaternary	1223303311203
5	Quinary	24213333411
6	Senary	2445425203
8	Octal	153636543
10	Decimal	28261731
12	Duodecimal	956b203
16	Hexadecimal	1af3d63
20	Vigesimal	8gce6b
36	Base36	gtqw3

Cryptographic Hash Functions

md5	baea478eaf0a90e98a85901f154aef76
sha1	b8979df984eccfb5de8be308828bbbf28078cba2
sha256	6bd7fbfa8d41f3d868d66ff6e842510ebde0c05938b9f2e9d37543d8f0e9c964
sha512	f765fe5a84fc377b2535717eaca5561cde9f058086a94ec4ae28392f1d65ed484f343a25d11c5da27c92916974fbee7505653b82178c8d450128b67d4069b4c5
ripemd-160	521b027485d37608f8aa31106411774c7e06cd31

28261731 as geometric shapes

Circle

Radius = n

Diameter	56523462
Circumference	177573692.97466
Area	2.5092699717632E+15

Sphere

Radius = n

Volume	9.4555083931134E+22
Surface area	1.0037079887053E+16
Circumference	177573692.97466

Square

Length = n

Perimeter	113046924
Area	798725439116361
Diagonal	39968123.27634

Cube

Length = n

Surface area	4792352634698166
Volume	2.2573363503163E+22
Space diagonal	48950754.001844

Equilateral Triangle

Length = n

Perimeter	84785193
Area	3.4585826046182E+14
Altitude	24475377.000922

Triangular Pyramid

Length = n

Surface area	3.4585826046182E+14
Volume	2.6602964012126E+21
Height	13322707.75878