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

28991497 (number)

28991497 is an odd 8-digits composite number following 28991496 and preceding 28991498. In scientific notation, it is written as 2.8991497 × 10^7. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 28974996 positive integers (up to 28991497) that are relatively prime to 28991497.

Interesting facts

28991497 has 4 divisors, whose sum is 29008000
The reverse of 28991497 is 79419982
Previous prime number is 1999

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4

Name

Name	twenty-eight million nine hundred ninety-one thousand four hundred ninety-seven

Notation

Scientific notation	2.8991497 × 10^7
Engineering notation	2.8991497 × 10^6

Prime Factorization of 28991497

Prime Factorization 1999 × 14503

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28991497	Product of the distinct prime numbers

The prime factorization of 28991497 is 1999 × 14503. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 5, 92, 12, 39, 134, 9989, 6139, 67787, 44174, 834140, 944944, 8121653, 4340175, 6233814, 28335541, 452158060, 614618493, 9687931161, 7501257378

Basic calculations (n = 28991497)

Multiplication

n×y

n×2	57982994
n×3	86974491
n×4	115965988
n×5	144957485

Division

n÷y

n÷2	14495748.5
n÷3	9663832.3333333
n÷3	7247874.25
n÷5	5798299.4

Exponentiation

n^y

n²	840506898301009
n³	2.4367553220573E+22
n⁴	7.0645184609158E+29
n⁵	2.0481096576609E+37

Nth Root

^y√n

²√n	5384.3752655252
³√n	307.20165215063
⁴√n	73.378302416486
⁵√n	31.0780762732

Divisors of 28991497

1, 1999, 14503, 28991497

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	-28991496	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 28991497 can be divided by 4 positive divisors. The sum of these divisors (counting 28991497) is 1, the average is 0.25.

Base conversion 28991497

Base	System	Value
2	Binary	1101110100110000000001001
3	Ternary	2000112220212011
4	Quaternary	1232212000021
5	Quinary	24410211442
6	Senary	2513215521
8	Octal	156460011
10	Decimal	28991497
12	Duodecimal	98615a1
16	Hexadecimal	1ba6009
20	Vigesimal	913ieh
36	Base36	h9dzd

Cryptographic Hash Functions

md5	29f3231adb814bbd70fe4439c4ac87f6
sha1	0731889b44eae0cd0b3057c9e3954de4d8970aef
sha256	34e491cf989c9ac33e33f1282a2c2168bd5ad2c27cbb83264a28f5f43c063986
sha512	d61fe221240e77556483081f329cfe27bdd91bb82b9c1581c0f851f9e5b3381fcbc8a4082ee621ffef829d13be30e3adf0821c2c21b48dad601292a9072ee76a
ripemd-160	cea84ea8fe94d115a04df334ec913b15dc9e028f

28991497 as geometric shapes

Circle

Radius = n

Diameter	57982994
Circumference	182158947.98354
Area	2.640530296994E+15

Sphere

Radius = n

Volume	1.0207056824495E+23
Surface area	1.0562121187976E+16
Circumference	182158947.98354

Square

Length = n

Perimeter	115965988
Area	840506898301009
Diagonal	41000168.250899

Cube

Length = n

Surface area	5043041389806054
Volume	2.4367553220573E+22
Space diagonal	50214745.791481

Equilateral Triangle

Length = n

Perimeter	86974491
Area	3.6395016299237E+14
Altitude	25107372.89574

Triangular Pyramid

Length = n

Surface area	3.6395016299237E+14
Volume	2.8717436871985E+21
Height	13666722.7503