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

20512991 (number)

20512991 is an odd 8-digits prime number following 20512990 and preceding 20512992. In scientific notation, it is written as 2.0512991 × 10^7. The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors. There are 20512990 positive integers (up to 20512991) that are relatively prime to 20512991.

Interesting facts

20512991 has 2 divisors, whose sum is 20512992
The reverse of 20512991 is 19921502
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

Name	twenty million five hundred twelve thousand nine hundred ninety-one

Notation

Scientific notation	2.0512991 × 10^7
Engineering notation	2.0512991 × 10^6

Prime Factorization of 20512991

Prime Factorization 20512991

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	20512991	Product of the distinct prime numbers

The prime factorization of 20512991 is 20512991. Since it has a total of 1 prime factors.

Most popular turbo-numbers

10, 9, 42, 5, 894, 458, 169, 2681, 83551, 96590, 996766, 369279, 8760774, 8189212, 3275916, 47841656, 555257795, 545208101, 4595481693, 3742137587

Basic calculations (n = 20512991)

Multiplication

n×y

n×2	41025982
n×3	61538973
n×4	82051964
n×5	102564955

Division

n÷y

n÷2	10256495.5
n÷3	6837663.6666667
n÷3	5128247.75
n÷5	4102598.2

Exponentiation

n^y

n²	420782799766081
n³	8.6315137845564E+21
n⁴	1.7705816457898E+29
n⁵	3.6319925364852E+36

Nth Root

^y√n

²√n	4529.1269578143
³√n	273.74298363341
⁴√n	67.298788680141
⁵√n	29.000520849234

Divisors of 20512991

1, 20512991

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	20512992	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10256496	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4529.1270682108	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999025008	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20512991 can be divided by 2 positive divisors. The sum of these divisors (counting 20512991) is 20512992, the average is 10256496.

Base conversion 20512991

Base	System	Value
2	Binary	1001110010000000011011111
3	Ternary	1102121011112102
4	Quaternary	1032100003133
5	Quinary	20222403431
6	Senary	2011355315
8	Octal	116200337
10	Decimal	20512991
12	Duodecimal	6a52b3b
16	Hexadecimal	13900df
20	Vigesimal	68429b
36	Base36	c7nxb

Cryptographic Hash Functions

md5	5e621076924c38a5b53985d072e7d731
sha1	835c2631affd75f9d4b9a0486ab5b26e57371822
sha256	bd0dbfc193a0deef4d79d9b00925ff69fc72bb799b8c1e02a9a02b928edad09c
sha512	d031fcba9f0ce9abb0cf0f9dab985d89c3d6e4855780b545ecaab1be7b7b55b55fa3939ea2ecb85703269670f9823a085f58e8aea01c04173304810735d83d39
ripemd-160	b6441f0507ac7ef40af0bc8d7aa103d5a2e6bfe3

20512991 as geometric shapes

Circle

Radius = n

Diameter	41025982
Circumference	128886923.65751
Area	1.3219281525021E+15

Sphere

Radius = n

Volume	3.6155600393229E+22
Surface area	5.2877126100083E+15
Circumference	128886923.65751

Square

Length = n

Perimeter	82051964
Area	420782799766081
Diagonal	29009750.077037

Cube

Length = n

Surface area	2524696798596486
Volume	8.6315137845564E+21
Space diagonal	35529542.627203

Equilateral Triangle

Length = n

Perimeter	61538973
Area	1.8220429703648E+14
Altitude	17764771.313602

Triangular Pyramid

Length = n

Surface area	1.8220429703648E+14
Volume	1.0172336548275E+21
Height	9669916.6923457