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

16397781 (number)

16397781 is an odd 8-digits composite number following 16397780 and preceding 16397782. In scientific notation, it is written as 1.6397781 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 10297584 positive integers (up to 16397781) that are relatively prime to 16397781.

Interesting facts

16397781 has 16 divisors, whose sum is 23161344
The reverse of 16397781 is 18779361
Previous prime number is 23

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6

Name

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

Notation

Scientific notation	1.6397781 × 10^7
Engineering notation	1.6397781 × 10^6

Prime Factorization of 16397781

Prime Factorization 3 × 67 × 23 × 3547

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	16397781	Product of the distinct prime numbers

The prime factorization of 16397781 is 3 × 67 × 23 × 3547. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 1, 84, 22, 949, 745, 8920, 7805, 68358, 63059, 820398, 818962, 8107514, 6216388, 44794206, 60520392, 629651355, 85920905, 6356705954, 8747528831

Basic calculations (n = 16397781)

Multiplication

n×y

n×2	32795562
n×3	49193343
n×4	65591124
n×5	81988905

Division

n÷y

n÷2	8198890.5
n÷3	5465927
n÷3	4099445.25
n÷5	3279556.2

Exponentiation

n^y

n²	268887221723961
n³	4.409153775528E+21
n⁴	7.2300338006431E+28
n⁵	1.1855651088554E+36

Nth Root

^y√n

²√n	4049.4173654984
³√n	254.05535921101
⁴√n	63.635032533176
⁵√n	27.730456332092

Divisors of 16397781

1, 3, 23, 67, 69, 201, 1541, 3547, 4623, 10641, 81581, 237649, 244743, 712947, 5465927, 16397781

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-16397780	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 16397781 can be divided by 16 positive divisors. The sum of these divisors (counting 16397781) is 1, the average is 0.0625.

Base conversion 16397781

Base	System	Value
2	Binary	111110100011010111010101
3	Ternary	1010212002112020
4	Quaternary	332203113111
5	Quinary	13144212111
6	Senary	1343243353
8	Octal	76432725
10	Decimal	16397781
12	Duodecimal	55a9559
16	Hexadecimal	fa35d5
20	Vigesimal	529e91
36	Base36	9rglx

Cryptographic Hash Functions

md5	da1023cb011cc8c4bea1619b543eb49a
sha1	4f9a36aec91444581f11688bb23c5e3c99309236
sha256	7c18a7f8f42d1fc1a14a711c27ce7c325e7f0892e0d056e9e0a11fc53486979d
sha512	d30eba4bf05384e2b2b9e5f472a1669aaeb8acdf6397f40db4769cfbec056adb2fee37f7fed85aaa046ccaa3d5fda30f0962397db1d8a2c6cc95a37475508ad7
ripemd-160	61b8a641c0fda078b2145f3a68c5d2535cc8a45c

16397781 as geometric shapes

Circle

Radius = n

Diameter	32795562
Circumference	103030296.64955
Area	8.4473412041217E+14

Sphere

Radius = n

Volume	1.8469020146328E+22
Surface area	3.3789364816487E+15
Circumference	103030296.64955

Square

Length = n

Perimeter	65591124
Area	268887221723961
Diagonal	23189964.283024

Cube

Length = n

Surface area	1613323330343766
Volume	4.409153775528E+21
Space diagonal	28401789.823388

Equilateral Triangle

Length = n

Perimeter	49193343
Area	1.1643158238298E+14
Altitude	14200894.911694

Triangular Pyramid

Length = n

Surface area	1.1643158238298E+14
Volume	5.1962375566168E+20
Height	7729988.0943413