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

16389987 (number)

16389987 is an odd 8-digits composite number following 16389986 and preceding 16389988. In scientific notation, it is written as 1.6389987 × 10^7. The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors. There are 10926656 positive integers (up to 16389987) that are relatively prime to 16389987.

Interesting facts

16389987 has 4 divisors, whose sum is 21853320
The reverse of 16389987 is 78998361
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6

Name

Name	sixteen million three hundred eighty-nine thousand nine hundred eighty-seven

Notation

Scientific notation	1.6389987 × 10^7
Engineering notation	1.6389987 × 10^6

Prime Factorization of 16389987

Prime Factorization 3 × 5463329

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	16389987	Product of the distinct prime numbers

The prime factorization of 16389987 is 3 × 5463329. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 6, 33, 45, 522, 441, 7143, 8692, 6974, 37418, 155385, 151748, 5043027, 1717060, 95756037, 21895808, 653713370, 353155352, 2248938086, 6169544195

Basic calculations (n = 16389987)

Multiplication

n×y

n×2	32779974
n×3	49169961
n×4	65559948
n×5	81949935

Division

n÷y

n÷2	8194993.5
n÷3	5463329
n÷3	4097496.75
n÷5	3277997.4

Exponentiation

n^y

n²	268631673860169
n³	4.4028696423564E+21
n⁴	7.2162976200916E+28
n⁵	1.1827502418143E+36

Nth Root

^y√n

²√n	4048.4548904489
³√n	254.01510129902
⁴√n	63.62746962161
⁵√n	27.72781972803

Divisors of 16389987

1, 3, 5463329, 16389987

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	-16389986	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 16389987 can be divided by 4 positive divisors. The sum of these divisors (counting 16389987) is 1, the average is 0.25.

Base conversion 16389987

Base	System	Value
2	Binary	111110100001011101100011
3	Ternary	1010211200211120
4	Quaternary	332201131203
5	Quinary	13143434422
6	Senary	1343143323
8	Octal	76413543
10	Decimal	16389987
12	Duodecimal	55a4b43
16	Hexadecimal	fa1763
20	Vigesimal	528ej7
36	Base36	9ralf

Cryptographic Hash Functions

md5	75d3309dfd4b7da5674157b177f59b73
sha1	db32c4ae44f614a518b63a1c2b34849e7715e01f
sha256	991ff541c1e8075a84f6ebe32ddabaab170b84682593f40e84fa8660c173564f
sha512	0ed0bcc406da46d6b505f9d04407e6dbca8172e90208a63d26577f9bb8349af66d5dc426ea56a8213e5f4c3944425c719066164ea8f94b9d77b653c1ba76aab8
ripemd-160	0ce194064dd7778e436eed922294cd640b1185da

16389987 as geometric shapes

Circle

Radius = n

Diameter	32779974
Circumference	102981325.50326
Area	8.4393129312064E+14

Sphere

Radius = n

Volume	1.8442697230854E+22
Surface area	3.3757251724825E+15
Circumference	102981325.50326

Square

Length = n

Perimeter	65559948
Area	268631673860169
Diagonal	23178941.902519

Cube

Length = n

Surface area	1611790043161014
Volume	4.4028696423564E+21
Space diagonal	28388290.219393

Equilateral Triangle

Length = n

Perimeter	49169961
Area	1.1632092691202E+14
Altitude	14194145.109697

Triangular Pyramid

Length = n

Surface area	1.1632092691202E+14
Volume	5.188831634651E+20
Height	7726313.9675062