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

13890781 (number)

13890781 is an odd 8-digits composite number following 13890780 and preceding 13890782. In scientific notation, it is written as 1.3890781 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 13286812 positive integers (up to 13890781) that are relatively prime to 13890781.

Interesting facts

13890781 has 4 divisors, whose sum is 14494752
The reverse of 13890781 is 18709831
Previous prime number is 23

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	thirteen million eight hundred ninety thousand seven hundred eighty-one

Notation

Scientific notation	1.3890781 × 10^7
Engineering notation	1.3890781 × 10^6

Prime Factorization of 13890781

Prime Factorization 23 × 603947

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	13890781	Product of the distinct prime numbers

The prime factorization of 13890781 is 23 × 603947. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 10, 64, 53, 863, 569, 7414, 8771, 38673, 54965, 58171, 56556, 585053, 921750, 88033215, 96643633, 286072869, 79196449, 5751844253, 1169834304

Basic calculations (n = 13890781)

Multiplication

n×y

n×2	27781562
n×3	41672343
n×4	55563124
n×5	69453905

Division

n÷y

n÷2	6945390.5
n÷3	4630260.3333333
n÷3	3472695.25
n÷5	2778156.2

Exponentiation

n^y

n²	192953796789961
n³	2.6802789343279E+21
n⁴	3.7231167695662E+28
n⁵	5.1716999683471E+35

Nth Root

^y√n

²√n	3727.0338071984
³√n	240.38584347467
⁴√n	61.0494374028
⁵√n	26.825346034366

Divisors of 13890781

1, 23, 603947, 13890781

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	-13890780	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 13890781 can be divided by 4 positive divisors. The sum of these divisors (counting 13890781) is 1, the average is 0.25.

Base conversion 13890781

Base	System	Value
2	Binary	110100111111010011011101
3	Ternary	222010201120101
4	Quaternary	310333103131
5	Quinary	12024001111
6	Senary	1213421101
8	Octal	64772335
10	Decimal	13890781
12	Duodecimal	479a791
16	Hexadecimal	d3f4dd
20	Vigesimal	46g6j1
36	Base36	89q71

Cryptographic Hash Functions

md5	23c881acc3628c77fdabda609ae826d8
sha1	fd5623f10e3407169dee3fff97811f3ddde3e521
sha256	03204aa9ff0b8fae48cb57139c13249edb2d233b4187558e9ccebf7355683728
sha512	6266a4c7e9192e9a817fa1b553859895f51de17a3dc9833691207dea67a9eda023f022c053d5b0233fbf60aa0bd5f4d7829632d21cd9ad26b42e00c38f58b276
ripemd-160	56fad0e6119d7bdbef3179808e5a56ca731ca430

13890781 as geometric shapes

Circle

Radius = n

Diameter	27781562
Circumference	87278351.084449
Area	6.061822304776E+14

Sphere

Radius = n

Volume	1.1227126146208E+22
Surface area	2.4247289219104E+15
Circumference	87278351.084449

Square

Length = n

Perimeter	55563124
Area	192953796789961
Diagonal	19644530.882155

Cube

Length = n

Surface area	1157722780739766
Volume	2.6802789343279E+21
Space diagonal	24059538.448812

Equilateral Triangle

Length = n

Perimeter	41672343
Area	83551444888383
Altitude	12029769.224406

Triangular Pyramid

Length = n

Surface area	83551444888383
Volume	3.1587390165578E+20
Height	6548176.9607182