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

16561381 (number)

16561381 is an odd 8-digits prime number following 16561380 and preceding 16561382. In scientific notation, it is written as 1.6561381 × 10^7. The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors. There are 16561380 positive integers (up to 16561381) that are relatively prime to 16561381.

Interesting facts

16561381 has 2 divisors, whose sum is 16561382
The reverse of 16561381 is 18316561
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	sixteen million five hundred sixty-one thousand three hundred eighty-one

Notation

Scientific notation	1.6561381 × 10^7
Engineering notation	1.6561381 × 10^6

Prime Factorization of 16561381

Prime Factorization 16561381

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	16561381	Product of the distinct prime numbers

The prime factorization of 16561381 is 16561381. Since it has a total of 1 prime factors.

Most popular turbo-numbers

5, 10, 4, 75, 318, 122, 7973, 7844, 1541, 43165, 810261, 573780, 1071925, 6626915, 99110436, 64511853, 366741485, 649638618, 864650349, 3413605455

Basic calculations (n = 16561381)

Multiplication

n×y

n×2	33122762
n×3	49684143
n×4	66245524
n×5	82806905

Division

n÷y

n÷2	8280690.5
n÷3	5520460.3333333
n÷3	4140345.25
n÷5	3312276.2

Exponentiation

n^y

n²	274279340627161
n³	4.5424446605552E+21
n⁴	7.522915669487E+28
n⁵	1.2458987263324E+36

Nth Root

^y√n

²√n	4069.5676674556
³√n	254.8974648637
⁴√n	63.793163171735
⁵√n	27.785569951241

Divisors of 16561381

1, 16561381

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	16561382	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	8280691	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4069.5677903188	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999998792371	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 16561381 can be divided by 2 positive divisors. The sum of these divisors (counting 16561381) is 16561382, the average is 8280691.

Base conversion 16561381

Base	System	Value
2	Binary	111111001011010011100101
3	Ternary	1011011101221111
4	Quaternary	333023103211
5	Quinary	13214431011
6	Senary	1350545021
8	Octal	77132345
10	Decimal	16561381
12	Duodecimal	5668171
16	Hexadecimal	fcb4e5
20	Vigesimal	53a391
36	Base36	9uyud

Cryptographic Hash Functions

md5	87830025738d59c20df0dd9e09c232d8
sha1	a9ecfd669a6907c59d3560c10546a9dc4a90af32
sha256	a7f8232007aa1dff4f7a94cc01e85781fc3c57cd314e2e03f4ed36d4fc82f5b5
sha512	236e9a30df6a0bea7e569615fd90fd7c6ed9278a6b6c312ce92f36480f51e0ca027c864f6331cd6ebd3dc8a71105141f3e1b613e942f3b5d9f70f99f0f236e9a
ripemd-160	dec4db216cae4c15536ce5391cdc6c7e4393ec8f

16561381 as geometric shapes

Circle

Radius = n

Diameter	33122762
Circumference	104058225.7658
Area	8.6167396154574E+14

Sphere

Radius = n

Volume	1.9027347699918E+22
Surface area	3.446695846183E+15
Circumference	104058225.7658

Square

Length = n

Perimeter	66245524
Area	274279340627161
Diagonal	23421329.621828

Cube

Length = n

Surface area	1645676043762966
Volume	4.5424446605552E+21
Space diagonal	28685153.335506

Equilateral Triangle

Length = n

Perimeter	49684143
Area	1.1876643835818E+14
Altitude	14342576.667753

Triangular Pyramid

Length = n

Surface area	1.1876643835818E+14
Volume	5.353322371072E+20
Height	7807109.8739427