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

28886987 (number)

28886987 is an odd 8-digits composite number following 28886986 and preceding 28886988. In scientific notation, it is written as 2.8886987 × 10^7. The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors. There are 27890856 positive integers (up to 28886987) that are relatively prime to 28886987.

Interesting facts

28886987 has 4 divisors, whose sum is 29883120
The reverse of 28886987 is 78968882
Previous prime number is 29

Basic properties

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

Name

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

Notation

Scientific notation	2.8886987 × 10^7
Engineering notation	2.8886987 × 10^6

Prime Factorization of 28886987

Prime Factorization 29 × 996103

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28886987	Product of the distinct prime numbers

The prime factorization of 28886987 is 29 × 996103. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 1, 29, 74, 447, 780, 7011, 3750, 54458, 24232, 91714, 656947, 8919224, 4828996, 78204249, 7477702, 381059399, 164604357, 6935814965, 3944321382

Basic calculations (n = 28886987)

Multiplication

n×y

n×2	57773974
n×3	86660961
n×4	115547948
n×5	144434935

Division

n÷y

n÷2	14443493.5
n÷3	9628995.6666667
n÷3	7221746.75
n÷5	5777397.4

Exponentiation

n^y

n²	834458017938169
n³	2.4104977916226E+22
n⁴	6.963201837013E+29
n⁵	2.0114592094417E+37

Nth Root

^y√n

²√n	5374.661570741
³√n	306.83206906457
⁴√n	73.312083388354
⁵√n	31.055637533426

Divisors of 28886987

1, 29, 996103, 28886987

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	-28886986	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 28886987 can be divided by 4 positive divisors. The sum of these divisors (counting 28886987) is 1, the average is 0.25.

Base conversion 28886987

Base	System	Value
2	Binary	1101110001100011111001011
3	Ternary	2000100121111102
4	Quaternary	1232030133023
5	Quinary	24343340422
6	Senary	2511052015
8	Octal	156143713
10	Decimal	28886987
12	Duodecimal	981100b
16	Hexadecimal	1b8c7cb
20	Vigesimal	90ah97
36	Base36	h75cb

Cryptographic Hash Functions

md5	da5b5b20a14719d2c5eefff8ddf7edf7
sha1	7e6297b87267a7c4e5a29e3998e733a55f4df7ab
sha256	6379c0e1fe347c58410b24730f4fe7f0c5eb17e9aa33ec5038e15675a6643bea
sha512	cb78e0faadec4f346481fef79d200894212617498c8500dc1529d4d3490351850f0e1f1f27bfe77ccbc7d2c90b53c0db41861ef063d0f55ef2486292f3784a03
ripemd-160	28bde6df54c6713c628437ed77e5da1883ac0201

28886987 as geometric shapes

Circle

Radius = n

Diameter	57773974
Circumference	181502292.28709
Area	2.6215271788837E+15

Sphere

Radius = n

Volume	1.0097069538208E+23
Surface area	1.0486108715535E+16
Circumference	181502292.28709

Square

Length = n

Perimeter	115547948
Area	834458017938169
Diagonal	40852368.791495

Cube

Length = n

Surface area	5006748107629014
Volume	2.4104977916226E+22
Space diagonal	50033729.161582

Equilateral Triangle

Length = n

Perimeter	86660961
Area	3.6133092096303E+14
Altitude	25016864.580791

Triangular Pyramid

Length = n

Surface area	3.6133092096303E+14
Volume	2.8407988908192E+21
Height	13617456.263832