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

28131489 (number)

28131489 is an odd 8-digits composite number following 28131488 and preceding 28131490. In scientific notation, it is written as 2.8131489 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 18754308 positive integers (up to 28131489) that are relatively prime to 28131489.

Interesting facts

28131489 has 8 divisors, whose sum is 41676320
The reverse of 28131489 is 98413182
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9

Name

Name	twenty-eight million one hundred thirty-one thousand four hundred eighty-nine

Notation

Scientific notation	2.8131489 × 10^7
Engineering notation	2.8131489 × 10^6

Prime Factorization of 28131489

Prime Factorization 9 × 3 × 1041907

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	28131489	Product of the distinct prime numbers

The prime factorization of 28131489 is 9 × 3 × 1041907. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 3, 28, 31, 372, 242, 9932, 6264, 9104, 97932, 500844, 57676, 2875600, 8914968, 44464710, 27320945, 433944254, 101915606, 6204775943, 1072757046

Basic calculations (n = 28131489)

Multiplication

n×y

n×2	56262978
n×3	84394467
n×4	112525956
n×5	140657445

Division

n÷y

n÷2	14065744.5
n÷3	9377163
n÷3	7032872.25
n÷5	5626297.8

Exponentiation

n^y

n²	791380673357121
n³	2.2262716707358E+22
n⁴	6.2628337016317E+29
n⁵	1.7618283738628E+37

Nth Root

^y√n

²√n	5303.9126124023
³√n	304.13348607427
⁴√n	72.827965867531
⁵√n	30.891467786965

Divisors of 28131489

1, 3, 9, 27, 1041907, 3125721, 9377163, 28131489

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	-28131488	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 28131489 can be divided by 8 positive divisors. The sum of these divisors (counting 28131489) is 1, the average is 0.125.

Base conversion 28131489

Base	System	Value
2	Binary	1101011010100000010100001
3	Ternary	1221221020011000
4	Quaternary	1223110002201
5	Quinary	24200201424
6	Senary	2442542213
8	Octal	153240241
10	Decimal	28131489
12	Duodecimal	9507969
16	Hexadecimal	1ad40a1
20	Vigesimal	8fg8e9
36	Base36	gqye9

Cryptographic Hash Functions

md5	15cf74aa46dc624ab82195081c99f3ea
sha1	75eb74e2348a8501eec3235a688657efa8863c8c
sha256	6a886313d9d8cf3a920ad373fb196e9576e4611d0b1e01f1b41eea428dfc4b0a
sha512	36aff5c9d5d6115873e157a631d46adeeb9ee797a7f23082f2417a181120258f0bfec7db033e5219c7cff1ac62de7f5d6240c4594338837a7de89f35c17912b7
ripemd-160	a0b467faf32ce75a4a6fe8cecbb67f092fc07a9d

28131489 as geometric shapes

Circle

Radius = n

Diameter	56262978
Circumference	176755358.35388
Area	2.4861957096117E+15

Sphere

Radius = n

Volume	9.3253849675717E+22
Surface area	9.9447828384467E+15
Circumference	176755358.35388

Square

Length = n

Perimeter	112525956
Area	791380673357121
Diagonal	39783933.27355

Cube

Length = n

Surface area	4748284040142726
Volume	2.2262716707358E+22
Space diagonal	48725168.240565

Equilateral Triangle

Length = n

Perimeter	84394467
Area	3.4267788359565E+14
Altitude	24362584.120282

Triangular Pyramid

Length = n

Surface area	3.4267788359565E+14
Volume	2.6236863252347E+21
Height	13261311.091183