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

28931290 (number)

28931290 is an even 8-digits composite number following 28931289 and preceding 28931291. In scientific notation, it is written as 2.8931290 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 11572512 positive integers (up to 28931290) that are relatively prime to 28931290.

Interesting facts

28931290 has 8 divisors, whose sum is 52076340
The reverse of 28931290 is 09213982
Previous prime number is 5

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7

Name

Name	twenty-eight million nine hundred thirty-one thousand two hundred ninety

Notation

Scientific notation	2.8931290 × 10^7
Engineering notation	2.8931290 × 10^6

Prime Factorization of 28931290

Prime Factorization 2 × 5 × 2893129

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	28931290	Product of the distinct prime numbers

The prime factorization of 28931290 is 2 × 5 × 2893129. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 5, 52, 40, 43, 921, 124, 1371, 96792, 25151, 479852, 578716, 9126708, 39604, 12532331, 30485595, 524374971, 990955346, 9276262197, 5453621721

Basic calculations (n = 28931290)

Multiplication

n×y

n×2	57862580
n×3	86793870
n×4	115725160
n×5	144656450

Division

n÷y

n÷2	14465645
n÷3	9643763.3333333
n÷3	7232822.5
n÷5	5786258

Exponentiation

n^y

n²	837019541064100
n³	2.4216055078192E+22
n⁴	7.0060171212316E+29
n⁵	2.0269311307932E+37

Nth Root

^y√n

²√n	5378.7814605169
³√n	306.98884828297
⁴√n	73.340176305466
⁵√n	31.06515749231

Divisors of 28931290

1, 2, 5, 10, 2893129, 5786258, 14465645, 28931290

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	-28931289	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 28931290 can be divided by 8 positive divisors. The sum of these divisors (counting 28931290) is 1, the average is 0.125.

Base conversion 28931290

Base	System	Value
2	Binary	1101110010111010011011010
3	Ternary	2000102212021021
4	Quaternary	1232113103122
5	Quinary	24401300130
6	Senary	2512033054
8	Octal	156272332
10	Decimal	28931290
12	Duodecimal	983278a
16	Hexadecimal	1b974da
20	Vigesimal	90g84a
36	Base36	h83iy

Cryptographic Hash Functions

md5	0936886671e88efca1f3b19dd4215c4d
sha1	86ddbadbc82811ae925e87a289bc8a0a90ffd741
sha256	df7fc3ac2ff2c192d89af2819806b9a1198134cc8b28cb824b81d5b5522435d9
sha512	79e87a9a4f3c4cfdcfba3568d2bb1d3f9b22527b463f2c5b8085afec236c47d0e07a7c08c0e294e51246ed59474b23f384c087ab1f4c13ea88a31c3695563812
ripemd-160	6cf4b05c4c89d9e781a07a63791ab662b34803b2

28931290 as geometric shapes

Circle

Radius = n

Diameter	57862580
Circumference	181780656.24575
Area	2.6295744411181E+15

Sphere

Radius = n

Volume	1.014359743101E+23
Surface area	1.0518297764472E+16
Circumference	181780656.24575

Square

Length = n

Perimeter	115725160
Area	837019541064100
Diagonal	40915022.694949

Cube

Length = n

Surface area	5022117246384600
Volume	2.4216055078192E+22
Space diagonal	50110464.208509

Equilateral Triangle

Length = n

Perimeter	86793870
Area	3.6244009301275E+14
Altitude	25055232.104255

Triangular Pyramid

Length = n

Surface area	3.6244009301275E+14
Volume	2.8538894598961E+21
Height	13638340.898316