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

28156729 (number)

28156729 is an odd 8-digits composite number following 28156728 and preceding 28156730. In scientific notation, it is written as 2.8156729 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 27777936 positive integers (up to 28156729) that are relatively prime to 28156729.

Interesting facts

28156729 has 8 divisors, whose sum is 28537920
The reverse of 28156729 is 92765182
Previous prime number is 733

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4

Name

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

Notation

Scientific notation	2.8156729 × 10^7
Engineering notation	2.8156729 × 10^6

Prime Factorization of 28156729

Prime Factorization 107 × 733 × 359

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	28156729	Product of the distinct prime numbers

The prime factorization of 28156729 is 107 × 733 × 359. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 9, 44, 74, 327, 797, 3443, 1309, 32121, 9240, 94577, 27268, 6216394, 7053072, 42967190, 11708806, 553108720, 164392727, 8480977212, 8102965102

Basic calculations (n = 28156729)

Multiplication

n×y

n×2	56313458
n×3	84470187
n×4	112626916
n×5	140783645

Division

n÷y

n÷2	14078364.5
n÷3	9385576.3333333
n÷3	7039182.25
n÷5	5631345.8

Exponentiation

n^y

n²	792801387979441
n³	2.2322693832161E+22
n⁴	6.2853404078213E+29
n⁵	1.7697462653577E+37

Nth Root

^y√n

²√n	5306.2914544906
³√n	304.22441661548
⁴√n	72.844295963998
⁵√n	30.89700905763

Divisors of 28156729

1, 107, 359, 733, 38413, 78431, 263147, 28156729

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-28156728	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28156729 can be divided by 8 positive divisors. The sum of these divisors (counting 28156729) is 1, the average is 0.125.

Base conversion 28156729

Base	System	Value
2	Binary	1101011011010001100111001
3	Ternary	1221222111202211
4	Quaternary	1223122030321
5	Quinary	24202003404
6	Senary	2443255121
8	Octal	153321471
10	Decimal	28156729
12	Duodecimal	951a4a1
16	Hexadecimal	1ada339
20	Vigesimal	8fjbg9
36	Base36	grhvd

Cryptographic Hash Functions

md5	094c201d7c22764346cd3b6b8100db60
sha1	2c83853c07d053f96ccbe4b8aeb30f0e934fecbf
sha256	6de58f83689a07c7392315ce3af7d6cc6408b63cbe3f68ee31e4ad894e820988
sha512	0ae94284a67886e539a12900815f0bf0c2ec1a13010bba5014e81bac42309bfec6b9e4d15728d1c35c1195c908fee5adeb6aee3e599ea194c086877970592f2c
ripemd-160	badcf84cd23a0b763b63553b392012a50ac5f88e

28156729 as geometric shapes

Circle

Radius = n

Diameter	56313458
Circumference	176913945.95104
Area	2.490659016232E+15

Sphere

Radius = n

Volume	9.3505081268601E+22
Surface area	9.962636064928E+15
Circumference	176913945.95104

Square

Length = n

Perimeter	112626916
Area	792801387979441
Diagonal	39819628.023864

Cube

Length = n

Surface area	4756808327876646
Volume	2.2322693832161E+22
Space diagonal	48768885.202948

Equilateral Triangle

Length = n

Perimeter	84470187
Area	3.4329307107288E+14
Altitude	24384442.601474

Triangular Pyramid

Length = n

Surface area	3.4329307107288E+14
Volume	2.6307546971787E+21
Height	13273209.341288