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

28491131 (number)

28491131 is an odd 8-digits composite number following 28491130 and preceding 28491132. In scientific notation, it is written as 2.8491131 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 28197312 positive integers (up to 28491131) that are relatively prime to 28491131.

Interesting facts

28491131 has 4 divisors, whose sum is 28784952
The reverse of 28491131 is 13119482
Previous prime number is 97

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

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

Notation

Scientific notation	2.8491131 × 10^7
Engineering notation	2.8491131 × 10^6

Prime Factorization of 28491131

Prime Factorization 97 × 293723

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28491131	Product of the distinct prime numbers

The prime factorization of 28491131 is 97 × 293723. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 7, 45, 38, 423, 937, 441, 6806, 41569, 90515, 353571, 854452, 6302975, 3745395, 28642082, 48805847, 363171038, 709215402, 4152726726, 2262846146

Basic calculations (n = 28491131)

Multiplication

n×y

n×2	56982262
n×3	85473393
n×4	113964524
n×5	142455655

Division

n÷y

n÷2	14245565.5
n÷3	9497043.6666667
n÷3	7122782.75
n÷5	5698226.2

Exponentiation

n^y

n²	811744545659161
n³	2.3127520188911E+22
n⁴	6.589292074074E+29
n⁵	1.877363836797E+37

Nth Root

^y√n

²√n	5337.7084034256
³√n	305.42404869988
⁴√n	73.059622250773
⁵√n	30.970052239622

Divisors of 28491131

1, 97, 293723, 28491131

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	-28491130	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 28491131 can be divided by 4 positive divisors. The sum of these divisors (counting 28491131) is 1, the average is 0.25.

Base conversion 28491131

Base	System	Value
2	Binary	1101100101011110101111011
3	Ternary	1222121111111002
4	Quaternary	1230223311323
5	Quinary	24243204011
6	Senary	2454355215
8	Octal	154536573
10	Decimal	28491131
12	Duodecimal	965bb0b
16	Hexadecimal	1b2bd7b
20	Vigesimal	8i17gb
36	Base36	gynwb

Cryptographic Hash Functions

md5	acfd8e67167969c3ed8a3cc1bd219b4e
sha1	8047f442c6095fb6225c8a4e3a261f06558849bf
sha256	797811cbdff7f466960f72350f2e0f16a40ca87bc06a83a7b69f6c2d1ada4894
sha512	14f72668ff2862d202f4a9ff8eb64e5f48f9878f23c904e21023c562f3ee9075e2c3f42f492dabaf9912c396eec373a5fcbd92d96583beed58dc84853eb70b30
ripemd-160	006f7ef508971055da18c250a252ff39d6133995

28491131 as geometric shapes

Circle

Radius = n

Diameter	56982262
Circumference	179015055.68413
Area	2.5501707012344E+15

Sphere

Radius = n

Volume	9.6876330028308E+22
Surface area	1.0200682804938E+16
Circumference	179015055.68413

Square

Length = n

Perimeter	113964524
Area	811744545659161
Diagonal	40292543.867549

Cube

Length = n

Surface area	4870467273954966
Volume	2.3127520188911E+22
Space diagonal	49348086.457101

Equilateral Triangle

Length = n

Perimeter	85473393
Area	3.5149569896215E+14
Altitude	24674043.22855

Triangular Pyramid

Length = n

Surface area	3.5149569896215E+14
Volume	2.7256043929346E+21
Height	13430847.95585