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

28990438 (number)

28990438 is an even 8-digits composite number following 28990437 and preceding 28990439. In scientific notation, it is written as 2.8990438 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 14495218 positive integers (up to 28990438) that are relatively prime to 28990438.

Interesting facts

28990438 has 4 divisors, whose sum is 43485660
The reverse of 28990438 is 83409982
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7

Name

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

Notation

Scientific notation	2.8990438 × 10^7
Engineering notation	2.8990438 × 10^6

Prime Factorization of 28990438

Prime Factorization 2 × 14495219

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28990438	Product of the distinct prime numbers

The prime factorization of 28990438 is 2 × 14495219. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 5, 78, 92, 232, 83, 9623, 3034, 69239, 5532, 748919, 842091, 9140434, 2262390, 77532233, 20324026, 325799909, 994279644, 3717991745, 5859266951

Basic calculations (n = 28990438)

Multiplication

n×y

n×2	57980876
n×3	86971314
n×4	115961752
n×5	144952190

Division

n÷y

n÷2	14495219
n÷3	9663479.3333333
n÷3	7247609.5
n÷5	5798087.6

Exponentiation

n^y

n²	840445495431844
n³	2.4364883027696E+22
n⁴	7.0634863079168E+29
n⁵	2.0477356187351E+37

Nth Root

^y√n

²√n	5384.2769245276
³√n	307.19791162272
⁴√n	73.377632317536
⁵√n	31.077849226189

Divisors of 28990438

1, 2, 14495219, 28990438

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	-28990437	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 28990438 can be divided by 4 positive divisors. The sum of these divisors (counting 28990438) is 1, the average is 0.25.

Base conversion 28990438

Base	System	Value
2	Binary	1101110100101101111100110
3	Ternary	2000112212101221
4	Quaternary	1232211233212
5	Quinary	24410143223
6	Senary	2513210554
8	Octal	156455746
10	Decimal	28990438
12	Duodecimal	9860a5a
16	Hexadecimal	1ba5be6
20	Vigesimal	913g1i
36	Base36	h9d5y

Cryptographic Hash Functions

md5	0d5d0c702d85c5d95b9495b7d6ba2488
sha1	bff707a160632286660ee6cb856e675c54a484fb
sha256	1c4ecfb3e7e7ec9efd02bf0b1f5165263d80a5a37f04c901d33092e8d9668159
sha512	7a64073ea6c3db269ea225f7909c1e6d2dc2c5454166ee13a40f8445381359f5bcea083cf385e22c8ee38b210860c66494253e7c7850769f21bfe5be342882ac
ripemd-160	f3769eb31409cbe640e1320ede7f06496964e4fe

28990438 as geometric shapes

Circle

Radius = n

Diameter	57980876
Circumference	182152294.0903
Area	2.6403373941913E+15

Sphere

Radius = n

Volume	1.0205938336718E+23
Surface area	1.0561349576765E+16
Circumference	182152294.0903

Square

Length = n

Perimeter	115961752
Area	840445495431844
Diagonal	40998670.598736

Cube

Length = n

Surface area	5042672972591064
Volume	2.4364883027696E+22
Space diagonal	50212911.549675

Equilateral Triangle

Length = n

Perimeter	86971314
Area	3.6392357477009E+14
Altitude	25106455.774838

Triangular Pyramid

Length = n

Surface area	3.6392357477009E+14
Volume	2.8714290019502E+21
Height	13666223.532912