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

28997687 (number)

28997687 is an odd 8-digits composite number following 28997686 and preceding 28997688. In scientific notation, it is written as 2.8997687 × 10^7. The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors. There are 27736896 positive integers (up to 28997687) that are relatively prime to 28997687.

Interesting facts

28997687 has 4 divisors, whose sum is 30258480
The reverse of 28997687 is 78679982
Previous prime number is 23

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 56
Digital Root 2

Name

Name	twenty-eight million nine hundred ninety-seven thousand six hundred eighty-seven

Notation

Scientific notation	2.8997687 × 10^7
Engineering notation	2.8997687 × 10^6

Prime Factorization of 28997687

Prime Factorization 23 × 1260769

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28997687	Product of the distinct prime numbers

The prime factorization of 28997687 is 23 × 1260769. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 5, 22, 75, 919, 310, 2287, 183, 88945, 43070, 146036, 592089, 8925732, 6125528, 63877509, 9255438, 19812121, 369733498, 5053169815, 9509699005

Basic calculations (n = 28997687)

Multiplication

n×y

n×2	57995374
n×3	86993061
n×4	115990748
n×5	144988435

Division

n÷y

n÷2	14498843.5
n÷3	9665895.6666667
n÷3	7249421.75
n÷5	5799537.4

Exponentiation

n^y

n²	840865851349969
n³	2.4383164766435E+22
n⁴	7.0705537996651E+29
n⁵	2.0502970599935E+37

Nth Root

^y√n

²√n	5384.9500461936
³√n	307.22351422634
⁴√n	73.38221886938
⁵√n	31.079403261349

Divisors of 28997687

1, 23, 1260769, 28997687

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	-28997686	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 28997687 can be divided by 4 positive divisors. The sum of these divisors (counting 28997687) is 1, the average is 0.25.

Base conversion 28997687

Base	System	Value
2	Binary	1101110100111100000110111
3	Ternary	2000120020100102
4	Quaternary	1232213200313
5	Quinary	24410411222
6	Senary	2513304315
8	Octal	156474067
10	Decimal	28997687
12	Duodecimal	986509b
16	Hexadecimal	1ba7837
20	Vigesimal	914e47
36	Base36	h9irb

Cryptographic Hash Functions

md5	5fe8e46d8bd73841003126f3122d6aaa
sha1	82de43dff264d783a65fdb5efcfbdce7064c6218
sha256	204256077fcb03c5f9fde5150fb64e3e793a49d09348ae3f5197823bd230aab5
sha512	0c546e5a136275a8abadd03bdfada5e060700404c6318707c0bd239abfcc2ee65dd8e109b7464ea13b53b0bbb90b8d0fd346f2cc63d4825b02fa09963bc14ceb
ripemd-160	cc27efa6132019e76bb8c56b7633a1f7b76bbb2e

28997687 as geometric shapes

Circle

Radius = n

Diameter	57995374
Circumference	182197840.90059
Area	2.6416579812556E+15

Sphere

Radius = n

Volume	1.0213596173534E+23
Surface area	1.0566631925022E+16
Circumference	182197840.90059

Square

Length = n

Perimeter	115990748
Area	840865851349969
Diagonal	41008922.23285

Cube

Length = n

Surface area	5045195108099814
Volume	2.4383164766435E+22
Space diagonal	50225467.18598

Equilateral Triangle

Length = n

Perimeter	86993061
Area	3.6410559422195E+14
Altitude	25112733.59299

Triangular Pyramid

Length = n

Surface area	3.6410559422195E+14
Volume	2.8735835255225E+21
Height	13669640.744283