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

391421 (number)

391421 is an odd 6-digits composite number following 391420 and preceding 391422. In scientific notation, it is written as 3.91421 × 10^5. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 390144 positive integers (up to 391421) that are relatively prime to 391421.

Interesting facts

391421 has 4 divisors, whose sum is 392700
The reverse of 391421 is 124193
Previous prime number is 509

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 20
Digital Root 2

Name

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

Notation

Scientific notation	3.91421 × 10^5
Engineering notation	3.91421 × 10^3

Prime Factorization of 391421

Prime Factorization 509 × 769

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	391421	Product of the distinct prime numbers

The prime factorization of 391421 is 509 × 769. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 10, 52, 12, 734, 350, 1804, 272, 96213, 93844, 667379, 247033, 9984877, 8579178, 86505833, 23937389, 305597490, 696390793, 1130265005, 2277449172

Basic calculations (n = 391421)

Multiplication

n×y

n×2	782842
n×3	1174263
n×4	1565684
n×5	1957105

Division

n÷y

n÷2	195710.5
n÷3	130473.66666667
n÷3	97855.25
n÷5	78284.2

Exponentiation

n^y

n²	153210399241
n³	59969767681311461
n⁴	2.3473426435587E+22
n⁵	9.1879920488437E+27

Nth Root

^y√n

²√n	625.63647591872
³√n	73.150063485883
⁴√n	25.012726279211
⁵√n	13.137986898017

Divisors of 391421

1, 509, 769, 391421

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	-391420	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 391421 can be divided by 4 positive divisors. The sum of these divisors (counting 391421) is 1, the average is 0.25.

Base conversion 391421

Base	System	Value
2	Binary	1011111100011111101
3	Ternary	201212221002
4	Quaternary	1133203331
5	Quinary	100011141
6	Senary	12220045
8	Octal	1374375
10	Decimal	391421
12	Duodecimal	16a625
16	Hexadecimal	5f8fd
20	Vigesimal	28ib1
36	Base36	8e0t

Cryptographic Hash Functions

md5	41ca2fccbab029e39e940cc77d0f64e0
sha1	18a6040b537a0b323855ad93c575f951c12f6ce6
sha256	37fd691f23c78ec91c6bf26ce195151a282a037ea867013e70129b24238da332
sha512	450be43fe64317c2db1767fd2abc239141792acbf01b38722ec871f8bcc3bf2cff50a3338017508fe92052ff2f2df86804fd4bf127df8b9c8d5f33ddaaf55b14
ripemd-160	ffd9d61ded0d13e2d1264731fa3b67772fd1d8db

391421 as geometric shapes

Circle

Radius = n

Diameter	782842
Circumference	2459370.6761215
Area	481324664709.08

Sphere

Radius = n

Volume	2.5120077544679E+17
Surface area	1925298658836.3
Circumference	2459370.6761215

Square

Length = n

Perimeter	1565684
Area	153210399241
Diagonal	553552.88679764

Cube

Length = n

Surface area	919262395446
Volume	59969767681311461
Space diagonal	677961.05914942

Equilateral Triangle

Length = n

Perimeter	1174263
Area	66342048933.331
Altitude	338980.52957471

Triangular Pyramid

Length = n

Surface area	66342048933.331
Volume	7.0675048989395E+15
Height	184517.62893255