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

16661421 (number)

16661421 is an odd 8-digits composite number following 16661420 and preceding 16661422. In scientific notation, it is written as 1.6661421 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 9520560 positive integers (up to 16661421) that are relatively prime to 16661421.

Interesting facts

16661421 has 12 divisors, whose sum is 21535740
The reverse of 16661421 is 12416661
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9

Name

Name	sixteen million six hundred sixty-one thousand four hundred twenty-one

Notation

Scientific notation	1.6661421 × 10^7
Engineering notation	1.6661421 × 10^6

Prime Factorization of 16661421

Prime Factorization 9 × 7 × 7 × 37781

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	2380203	Product of the distinct prime numbers

The prime factorization of 16661421 is 9 × 7 × 7 × 37781. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 6, 38, 9, 623, 20, 6857, 217, 48755, 98513, 911688, 328132, 2370152, 4279717, 27262900, 54330180, 123964262, 257857765, 7881967949, 43677031

Basic calculations (n = 16661421)

Multiplication

n×y

n×2	33322842
n×3	49984263
n×4	66645684
n×5	83307105

Division

n÷y

n÷2	8330710.5
n÷3	5553807
n÷3	4165355.25
n÷5	3332284.2

Exponentiation

n^y

n²	277602949739241
n³	4.6252596164473E+21
n⁴	7.7063397703928E+28
n⁵	1.2839857128356E+36

Nth Root

^y√n

²√n	4081.840393744
³√n	255.40967596018
⁴√n	63.889282307316
⁵√n	27.819057211236

Divisors of 16661421

1, 7, 9, 49, 63, 441, 37781, 264467, 340029, 1851269, 2380203, 16661421

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-16661420	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 16661421 can be divided by 12 positive divisors. The sum of these divisors (counting 16661421) is 1, the average is 0.083333333333333.

Base conversion 16661421

Base	System	Value
2	Binary	111111100011101110101101
3	Ternary	1011100111011200
4	Quaternary	333203232231
5	Quinary	13231131141
6	Senary	1353040113
8	Octal	77435655
10	Decimal	16661421
12	Duodecimal	56b6039
16	Hexadecimal	fe3bad
20	Vigesimal	542db1
36	Base36	9x419

Cryptographic Hash Functions

md5	66d54b672614bf9ab7166b5bcdd19417
sha1	b89b24d2aa905786c26b804b6edc31fd8ab5c9f5
sha256	eb006a905a3305b15daff2c42dcd02ebf11509556c027ab9dc46f29ecc4ba1b4
sha512	8eb7bad27b1c730d480f39f4865220a448ae8f791725f6c26804c45334e853a6b34c16c8cf172537e119b3c007a1c655aa0bd1b7c6584187d2f8d33b79190f12
ripemd-160	b9c9af1502bc438ac3b4233ec5834110a396ed11

16661421 as geometric shapes

Circle

Radius = n

Diameter	33322842
Circumference	104686795.62393
Area	8.7211538751566E+14

Sphere

Radius = n

Volume	1.9374242175969E+22
Surface area	3.4884615500626E+15
Circumference	104686795.62393

Square

Length = n

Perimeter	66645684
Area	277602949739241
Diagonal	23562807.546608

Cube

Length = n

Surface area	1665617698435446
Volume	4.6252596164473E+21
Space diagonal	28858427.698295

Equilateral Triangle

Length = n

Perimeter	49984263
Area	1.2020560331984E+14
Altitude	14429213.849148

Triangular Pyramid

Length = n

Surface area	1.2020560331984E+14
Volume	5.4509207325637E+20
Height	7854269.1822026