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

28156988 (number)

28156988 is an even 8-digits composite number following 28156987 and preceding 28156989. In scientific notation, it is written as 2.8156988 × 10^7. The sum of its digits is 47. It has a total of 3 prime factors and 6 positive divisors. There are 14078492 positive integers (up to 28156988) that are relatively prime to 28156988.

Interesting facts

28156988 has 6 divisors, whose sum is 49274736
The reverse of 28156988 is 88965182
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2

Name

Name	twenty-eight million one hundred fifty-six thousand nine hundred eighty-eight

Notation

Scientific notation	2.8156988 × 10^7
Engineering notation	2.8156988 × 10^6

Prime Factorization of 28156988

Prime Factorization 2 × 2 × 7039247

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	14078494	Product of the distinct prime numbers

The prime factorization of 28156988 is 2 × 2 × 7039247. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 5, 59, 37, 26, 733, 9010, 9272, 40438, 34077, 578509, 920152, 4692145, 9811797, 94286430, 68818304, 308009386, 89600570, 6967013067, 4576262046

Basic calculations (n = 28156988)

Multiplication

n×y

n×2	56313976
n×3	84470964
n×4	112627952
n×5	140784940

Division

n÷y

n÷2	14078494
n÷3	9385662.6666667
n÷3	7039247
n÷5	5631397.6

Exponentiation

n^y

n²	792815973232144
n³	2.2323309844506E+22
n⁴	6.2855716741203E+29
n⁵	1.7698276620135E+37

Nth Root

^y√n

²√n	5306.3158594264
³√n	304.22534941657
⁴√n	72.844463478197
⁵√n	30.89706589872

Divisors of 28156988

1, 2, 4, 7039247, 14078494, 28156988

6 divisors

τ	Total Divisors	6	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-28156987	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.16666666666667	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	6	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28156988 can be divided by 6 positive divisors. The sum of these divisors (counting 28156988) is 1, the average is 0.16666666666667.

Base conversion 28156988

Base	System	Value
2	Binary	1101011011010010000111100
3	Ternary	1221222112010102
4	Quaternary	1223122100330
5	Quinary	24202010423
6	Senary	2443300232
8	Octal	153322074
10	Decimal	28156988
12	Duodecimal	951a678
16	Hexadecimal	1ada43c
20	Vigesimal	8fjc98
36	Base36	gri2k

Cryptographic Hash Functions

md5	4980d5ddf766cf5b5347e6bdbb640b65
sha1	7d7677f88afa100a54fabf587b98cb6876f0a360
sha256	8245705732f8d119ed013f856be2863012114fee580c86934f6cce7b086b356d
sha512	f1f63db95079fd6589f00133de636903b1d628f4d21614b8eb11d52c2e590cfb30902be9968a04c01a37b995749f285dd9b4757dbbec195eef8c6e8f2ffd5384
ripemd-160	f069892821a957cb63d690b85c1878c03a5cc684

28156988 as geometric shapes

Circle

Radius = n

Diameter	56313976
Circumference	176915573.29603
Area	2.4907048371547E+15

Sphere

Radius = n

Volume	9.3507661615078E+22
Surface area	9.962819348619E+15
Circumference	176915573.29603

Square

Length = n

Perimeter	112627952
Area	792815973232144
Diagonal	39819994.305176

Cube

Length = n

Surface area	4756895839392864
Volume	2.2323309844506E+22
Space diagonal	48769333.804107

Equilateral Triangle

Length = n

Perimeter	84470964
Area	3.4329938667256E+14
Altitude	24384666.902054

Triangular Pyramid

Length = n

Surface area	3.4329938667256E+14
Volume	2.6308272949297E+21
Height	13273331.435059