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

20151391 (number)

20151391 is an odd 8-digits composite number following 20151390 and preceding 20151392. In scientific notation, it is written as 2.0151391 × 10^7. The sum of its digits is 22. It has a total of 5 prime factors and 24 positive divisors. There are 17480736 positive integers (up to 20151391) that are relatively prime to 20151391.

Interesting facts

20151391 has 24 divisors, whose sum is 23189760
The reverse of 20151391 is 19315102
Previous prime number is 59

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4

Name

Name	twenty million one hundred fifty-one thousand three hundred ninety-one

Notation

Scientific notation	2.0151391 × 10^7
Engineering notation	2.0151391 × 10^6

Prime Factorization of 20151391

Prime Factorization 47 × 13 × 13 × 59 × 43

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	5	Total number of prime factors
rad	Radical	1550107	Product of the distinct prime numbers

The prime factorization of 20151391 is 47 × 13 × 13 × 59 × 43. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 9, 56, 8, 884, 202, 4956, 7220, 95424, 37194, 549914, 884797, 995391, 2155953, 94798623, 35688273, 758923607, 970170770, 6276734589, 2151763944

Basic calculations (n = 20151391)

Multiplication

n×y

n×2	40302782
n×3	60454173
n×4	80605564
n×5	100756955

Division

n÷y

n÷2	10075695.5
n÷3	6717130.3333333
n÷3	5037847.75
n÷5	4030278.2

Exponentiation

n^y

n²	406078559234881
n³	8.1830478238587E+21
n⁴	1.6489979627028E+29
n⁵	3.3229602704627E+36

Nth Root

^y√n

²√n	4489.0300734123
³√n	272.12493809776
⁴√n	67.000224428074
⁵√n	28.897548809658

Divisors of 20151391

1, 13, 43, 47, 59, 169, 559, 611, 767, 2021, 2537, 2773, 7267, 7943, 9971, 26273, 32981, 36049, 119239, 341549, 428753, 468637, 1550107, 20151391

24 divisors

τ	Total Divisors	24	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20151390	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.041666666666667	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	24	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20151391 can be divided by 24 positive divisors. The sum of these divisors (counting 20151391) is 1, the average is 0.041666666666667.

Base conversion 20151391

Base	System	Value
2	Binary	1001100110111110001011111
3	Ternary	1101220210111211
4	Quaternary	1030313301133
5	Quinary	20124321031
6	Senary	1555525251
8	Octal	114676137
10	Decimal	20151391
12	Duodecimal	68b9827
16	Hexadecimal	1337c5f
20	Vigesimal	65ii9b
36	Base36	bzwwv

Cryptographic Hash Functions

md5	600686ae8d3e3ed64072c32ad78d62d3
sha1	c89533f684304dd6436e18eb7e734fc554c7c946
sha256	4ae764826c4c5bfda9e80b9dc6ab213550a1b8b7c0d90878bdac80bcceac2461
sha512	f2d62d4841350e1db674def56cdeb761d0ecd2ca82e1a5409f11c9275e6d476885676e8c31406bd90af40747335eab12a2932c90514645c5b8bb2971b799c7d2
ripemd-160	29b1b17c31f7e669da88df60064f8bffbd4df0db

20151391 as geometric shapes

Circle

Radius = n

Diameter	40302782
Circumference	126614923.85043
Area	1.2757334184726E+15

Sphere

Radius = n

Volume	3.4277070569878E+22
Surface area	5.1029336738905E+15
Circumference	126614923.85043

Square

Length = n

Perimeter	80605564
Area	406078559234881
Diagonal	28498370.452883

Cube

Length = n

Surface area	2436471355409286
Volume	8.1830478238587E+21
Space diagonal	34903233.055186

Equilateral Triangle

Length = n

Perimeter	60454173
Area	1.758371741148E+14
Altitude	17451616.527593

Triangular Pyramid

Length = n

Surface area	1.758371741148E+14
Volume	9.6438143450406E+20
Height	9499456.8176277