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

16391389 (number)

16391389 is an odd 8-digits composite number following 16391388 and preceding 16391390. In scientific notation, it is written as 1.6391389 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 14030160 positive integers (up to 16391389) that are relatively prime to 16391389.

Interesting facts

16391389 has 8 divisors, whose sum is 18759168
The reverse of 16391389 is 98319361
Previous prime number is 2207

Basic properties

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

Name

Name	sixteen million three hundred ninety-one thousand three hundred eighty-nine

Notation

Scientific notation	1.6391389 × 10^7
Engineering notation	1.6391389 × 10^6

Prime Factorization of 16391389

Prime Factorization 7 × 2207 × 1061

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	16391389	Product of the distinct prime numbers

The prime factorization of 16391389 is 7 × 2207 × 1061. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 1, 87, 30, 227, 377, 5093, 9709, 73139, 26138, 244032, 396962, 406137, 114329, 82287018, 79675480, 666564613, 359290672, 8867077743, 2488997692

Basic calculations (n = 16391389)

Multiplication

n×y

n×2	32782778
n×3	49174167
n×4	65565556
n×5	81956945

Division

n÷y

n÷2	8195694.5
n÷3	5463796.3333333
n÷3	4097847.25
n÷5	3278277.8

Exponentiation

n^y

n²	268677633349321
n³	4.4039996038281E+21
n⁴	7.2187670662192E+28
n⁵	1.1832561908279E+36

Nth Root

^y√n

²√n	4048.6280392251
³√n	254.02234391241
⁴√n	63.6288302519
⁵√n	27.728294079513

Divisors of 16391389

1, 7, 1061, 2207, 7427, 15449, 2341627, 16391389

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	-16391388	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 16391389 can be divided by 8 positive divisors. The sum of these divisors (counting 16391389) is 1, the average is 0.125.

Base conversion 16391389

Base	System	Value
2	Binary	111110100001110011011101
3	Ternary	1010211202202111
4	Quaternary	332201303131
5	Quinary	13144011024
6	Senary	1343154021
8	Octal	76416335
10	Decimal	16391389
12	Duodecimal	55a5911
16	Hexadecimal	fa1cdd
20	Vigesimal	528i99
36	Base36	9rbod

Cryptographic Hash Functions

md5	001d836fb92c3f200e4702578dac4490
sha1	7bc29dbd769e782e74ee3ffcb62a2595e1ec938a
sha256	178fe1e25382bf8c52abe260837d39502a96d0c0c8b1ba06bb37c477b8af6a42
sha512	ed1e85c251a49ccda9c5fb15e1e8619edc83198008c0944502b5cfd87e48f69c761efd57ba40de8462dcd2daf2fa80e026b398ae71bdcc407058166ed82cb02a
ripemd-160	2c80123b32c35c5908c529804b18d01a51c23344

16391389 as geometric shapes

Circle

Radius = n

Diameter	32782778
Circumference	102990134.52907
Area	8.4407567911412E+14

Sphere

Radius = n

Volume	1.8447430402398E+22
Surface area	3.3763027164565E+15
Circumference	102990134.52907

Square

Length = n

Perimeter	65565556
Area	268677633349321
Diagonal	23180924.629933

Cube

Length = n

Surface area	1612065800095926
Volume	4.4039996038281E+21
Space diagonal	28390718.554626

Equilateral Triangle

Length = n

Perimeter	49174167
Area	1.163408279546E+14
Altitude	14195359.277313

Triangular Pyramid

Length = n

Surface area	1.163408279546E+14
Volume	5.1901633070162E+20
Height	7726974.8766444