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

28491639 (number)

28491639 is an odd 8-digits composite number following 28491638 and preceding 28491640. In scientific notation, it is written as 2.8491639 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 17104160 positive integers (up to 28491639) that are relatively prime to 28491639.

Interesting facts

28491639 has 8 divisors, whose sum is 29633040
The reverse of 28491639 is 93619482
Previous prime number is 107

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6

Name

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

Notation

Scientific notation	2.8491639 × 10^7
Engineering notation	2.8491639 × 10^6

Prime Factorization of 28491639

Prime Factorization 33 × 107 × 8069

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	28491639	Product of the distinct prime numbers

The prime factorization of 28491639 is 33 × 107 × 8069. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 7, 78, 61, 47, 486, 5821, 4473, 35125, 2826, 884318, 882862, 2351288, 8753910, 22425023, 76483950, 129544293, 203611482, 2146278241, 5475984424

Basic calculations (n = 28491639)

Multiplication

n×y

n×2	56983278
n×3	85474917
n×4	113966556
n×5	142458195

Division

n÷y

n÷2	14245819.5
n÷3	9497213
n÷3	7122909.75
n÷5	5698327.8

Exponentiation

n^y

n²	811773492906321
n³	2.3128757309656E+22
n⁴	6.5897620378533E+29
n⁵	1.8775312107842E+37

Nth Root

^y√n

²√n	5337.7559891775
³√n	305.42586393722
⁴√n	73.059947913871
⁵√n	30.970162678722

Divisors of 28491639

1, 33, 107, 3531, 8069, 266277, 863383, 28491639

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	-28491638	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 28491639 can be divided by 8 positive divisors. The sum of these divisors (counting 28491639) is 1, the average is 0.125.

Base conversion 28491639

Base	System	Value
2	Binary	1101100101011111101110111
3	Ternary	1222121112011220
4	Quaternary	1230223331313
5	Quinary	24243213024
6	Senary	2454401423
8	Octal	154537567
10	Decimal	28491639
12	Duodecimal	9660273
16	Hexadecimal	1b2bf77
20	Vigesimal	8i191j
36	Base36	gyoaf

Cryptographic Hash Functions

md5	1e9613bbba35447158869a6d944fad84
sha1	d6198cbdc4f787ac52196c05086f6274a1c1658b
sha256	696fcde42cf97f40e62db82e87667b4a3b1a5bf945ca8db617c87a368273f87a
sha512	57c4ef99a4368f4a9478a504607f5db5bbfd9d837e7446e757f94ac1d8376ffaf9eb16fec1ad2bb8f7fec3628c3125ab12fd2eb7a3d5bc3ccc44a265094652d4
ripemd-160	62c27245cfd146df1753364a3732fc604f11c41a

28491639 as geometric shapes

Circle

Radius = n

Diameter	56983278
Circumference	179018247.54226
Area	2.5502616416934E+15

Sphere

Radius = n

Volume	9.6881512067569E+22
Surface area	1.0201046566774E+16
Circumference	179018247.54226

Square

Length = n

Perimeter	113966556
Area	811773492906321
Diagonal	40293262.288038

Cube

Length = n

Surface area	4870640957437926
Volume	2.3128757309656E+22
Space diagonal	49348966.338911

Equilateral Triangle

Length = n

Perimeter	85474917
Area	3.5150823348785E+14
Altitude	24674483.169455

Triangular Pyramid

Length = n

Surface area	3.5150823348785E+14
Volume	2.7257501890126E+21
Height	13431087.429346