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

28997913 (number)

28997913 is an odd 8-digits composite number following 28997912 and preceding 28997914. In scientific notation, it is written as 2.8997913 × 10^7. The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors. There are 16570224 positive integers (up to 28997913) that are relatively prime to 28997913.

Interesting facts

28997913 has 4 divisors, whose sum is 30378788
The reverse of 28997913 is 31979982
Previous prime number is 21

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3

Name

Name	twenty-eight million nine hundred ninety-seven thousand nine hundred thirteen

Notation

Scientific notation	2.8997913 × 10^7
Engineering notation	2.8997913 × 10^6

Prime Factorization of 28997913

Prime Factorization 21 × 1380853

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28997913	Product of the distinct prime numbers

The prime factorization of 28997913 is 21 × 1380853. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 4, 83, 63, 300, 930, 8234, 8513, 12637, 80724, 729216, 511483, 4277944, 8654399, 32292823, 44814004, 527897680, 137038450, 4363342993, 5322914938

Basic calculations (n = 28997913)

Multiplication

n×y

n×2	57995826
n×3	86993739
n×4	115991652
n×5	144989565

Division

n÷y

n÷2	14498956.5
n÷3	9665971
n÷3	7249478.25
n÷5	5799582.6

Exponentiation

n^y

n²	840878958355569
n³	2.4383734877925E+22
n⁴	7.0707742260515E+29
n⁵	2.0503769584968E+37

Nth Root

^y√n

²√n	5384.9710305627
³√n	307.2243123628
⁴√n	73.382361849172
⁵√n	31.079451706063

Divisors of 28997913

1, 21, 1380853, 28997913

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	-28997912	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 28997913 can be divided by 4 positive divisors. The sum of these divisors (counting 28997913) is 1, the average is 0.25.

Base conversion 28997913

Base	System	Value
2	Binary	1101110100111100100011001
3	Ternary	2000120020122210
4	Quaternary	1232213210121
5	Quinary	24410413123
6	Senary	2513305333
8	Octal	156474431
10	Decimal	28997913
12	Duodecimal	9865249
16	Hexadecimal	1ba7919
20	Vigesimal	914efd
36	Base36	h9ixl

Cryptographic Hash Functions

md5	d7a9c284acca4468b61a0735f9371aa1
sha1	58b5968c9787cfedc8465bbca6de523fb0ba7689
sha256	03dae7a32ad333143710f5e20ecaefb2928428df69032ce5ae9ea558bbbba906
sha512	cf618767f3273fc9d437ebb76b52934862f2f6d7773199f8b74ceadb8dd5f51ba4aaac539e5cc546b588a2bd9cf4362032c1533bc569e16d288283e91570ea9c
ripemd-160	4781895591c2b97f1c61a85a037130b3437a91b7

28997913 as geometric shapes

Circle

Radius = n

Diameter	57995826
Circumference	182199260.90047
Area	2.6416991581281E+15

Sphere

Radius = n

Volume	1.0213834981276E+23
Surface area	1.0566796632512E+16
Circumference	182199260.90047

Square

Length = n

Perimeter	115991652
Area	840878958355569
Diagonal	41009241.845115

Cube

Length = n

Surface area	5045273750133414
Volume	2.4383734877925E+22
Space diagonal	50225858.629462

Equilateral Triangle

Length = n

Perimeter	86993739
Area	3.6411126972186E+14
Altitude	25112929.314731

Triangular Pyramid

Length = n

Surface area	3.6411126972186E+14
Volume	2.873650713806E+21
Height	13669747.281705