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

16391421 (number)

16391421 is an odd 8-digits composite number following 16391420 and preceding 16391422. In scientific notation, it is written as 1.6391421 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 10795464 positive integers (up to 16391421) that are relatively prime to 16391421.

Interesting facts

16391421 has 8 divisors, whose sum is 18432960
The reverse of 16391421 is 12419361
Previous prime number is 83

Basic properties

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

Name

Name	sixteen million three hundred ninety-one thousand four hundred twenty-one

Notation

Scientific notation	1.6391421 × 10^7
Engineering notation	1.6391421 × 10^6

Prime Factorization of 16391421

Prime Factorization 9 × 83 × 21943

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	16391421	Product of the distinct prime numbers

The prime factorization of 16391421 is 9 × 83 × 21943. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 9, 88, 40, 535, 317, 5439, 2454, 70064, 57456, 622280, 894074, 4499517, 1721777, 60017528, 55531694, 663217969, 971176903, 2044722484, 1074088146

Basic calculations (n = 16391421)

Multiplication

n×y

n×2	32782842
n×3	49174263
n×4	65565684
n×5	81957105

Division

n÷y

n÷2	8195710.5
n÷3	5463807
n÷3	4097855.25
n÷5	3278284.2

Exponentiation

n^y

n²	268678682399241
n³	4.4040253969312E+21
n⁴	7.2188234375792E+28
n⁵	1.1832677409003E+36

Nth Root

^y√n

²√n	4048.6319911792
³√n	254.02250921689
⁴√n	63.628861306637
⁵√n	27.728304905987

Divisors of 16391421

1, 9, 83, 747, 21943, 197487, 1821269, 16391421

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	-16391420	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 16391421 can be divided by 8 positive divisors. The sum of these divisors (counting 16391421) is 1, the average is 0.125.

Base conversion 16391421

Base	System	Value
2	Binary	111110100001110011111101
3	Ternary	1010211202210200
4	Quaternary	332201303331
5	Quinary	13144011141
6	Senary	1343154113
8	Octal	76416375
10	Decimal	16391421
12	Duodecimal	55a5939
16	Hexadecimal	fa1cfd
20	Vigesimal	528ib1
36	Base36	9rbp9

Cryptographic Hash Functions

md5	071eedcbee01a59c1e7777eaa0139b37
sha1	6fc56f6ae214d221ec6e267e859d2e7160225bfe
sha256	85104ebcf8a4c5720f53ec78819527cb1e7e22a6a4451b310bce1ae81d476545
sha512	df340ec00a03122f64ab38b797014ea1fe58d6b28b287a72f619a4b4d4ff6b87002038aad9945851cd13fb917cdd979e3e840f7710976c4794fdca3d623ed294
ripemd-160	020ce7d847879761c72b285abb7e7d7b432d11bf

16391421 as geometric shapes

Circle

Radius = n

Diameter	32782842
Circumference	102990335.59099
Area	8.4407897480164E+14

Sphere

Radius = n

Volume	1.8447538444296E+22
Surface area	3.3763158992066E+15
Circumference	102990335.59099

Square

Length = n

Perimeter	65565684
Area	268678682399241
Diagonal	23180969.884767

Cube

Length = n

Surface area	1612072094395446
Volume	4.4040253969312E+21
Space diagonal	28390773.980251

Equilateral Triangle

Length = n

Perimeter	49174263
Area	1.1634128220654E+14
Altitude	14195386.990126

Triangular Pyramid

Length = n

Surface area	1.1634128220654E+14
Volume	5.1901937044798E+20
Height	7726989.9615891