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

27991661 (number)

27991661 is an odd 8-digits prime number following 27991660 and preceding 27991662. In scientific notation, it is written as 2.7991661 × 10^7. The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors. There are 27991660 positive integers (up to 27991661) that are relatively prime to 27991661.

Interesting facts

27991661 has 2 divisors, whose sum is 27991662
The reverse of 27991661 is 16619972
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5

Name

Name	twenty-seven million nine hundred ninety-one thousand six hundred sixty-one

Notation

Scientific notation	2.7991661 × 10^7
Engineering notation	2.7991661 × 10^6

Prime Factorization of 27991661

Prime Factorization 27991661

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	27991661	Product of the distinct prime numbers

The prime factorization of 27991661 is 27991661. Since it has a total of 1 prime factors.

Most popular turbo-numbers

1, 8, 13, 27, 143, 139, 9211, 2633, 82949, 87609, 977184, 567266, 6214889, 9799151, 33441832, 97045876, 915908708, 341094006, 4994442744, 2875574630

Basic calculations (n = 27991661)

Multiplication

n×y

n×2	55983322
n×3	83974983
n×4	111966644
n×5	139958305

Division

n÷y

n÷2	13995830.5
n÷3	9330553.6666667
n÷3	6997915.25
n÷5	5598332.2

Exponentiation

n^y

n²	783533085538921
n³	2.1932392512689E+22
n⁴	6.1392409613414E+29
n⁵	1.7184755178718E+37

Nth Root

^y√n

²√n	5290.7146020174
³√n	303.62874881891
⁴√n	72.737298561449
⁵√n	30.860697244387

Divisors of 27991661

1, 27991661

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	27991662	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	13995831	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	5290.7146965226	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999285502	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 27991661 can be divided by 2 positive divisors. The sum of these divisors (counting 27991661) is 27991662, the average is 13995831.

Base conversion 27991661

Base	System	Value
2	Binary	1101010110001111001101101
3	Ternary	1221200010100012
4	Quaternary	1222301321231
5	Quinary	24131213121
6	Senary	2435543005
8	Octal	152617155
10	Decimal	27991661
12	Duodecimal	945aa65
16	Hexadecimal	1ab1e6d
20	Vigesimal	8eij31
36	Base36	gnyi5

Cryptographic Hash Functions

md5	0920974fb1bcfeeea7f8baa446f0a4a7
sha1	c411c9e7d69296854d0ca4ce3a3d70a88f1d8367
sha256	1c19703c377f21c7467485d9700db16ef16d15258a46dda680dc128f4129781b
sha512	2d9760f6a0f8dc8ae5771183f27f0464f9dab2ebaa6be69921a710e1f3730849a052277ba6cfd4ef004ec2f7279d3f63b4a8e8ca0c921f93094c5a65cab1fede
ripemd-160	318846e992d47f2e8e9279957f7b476b856b0009

27991661 as geometric shapes

Circle

Radius = n

Diameter	55983322
Circumference	175876793.11875
Area	2.4615417853736E+15

Sphere

Radius = n

Volume	9.1870190924684E+22
Surface area	9.8461671414945E+15
Circumference	175876793.11875

Square

Length = n

Perimeter	111966644
Area	783533085538921
Diagonal	39586186.61955

Cube

Length = n

Surface area	4701198513233526
Volume	2.1932392512689E+22
Space diagonal	48482979.040244

Equilateral Triangle

Length = n

Perimeter	83974983
Area	3.3927977839116E+14
Altitude	24241489.520122

Triangular Pyramid

Length = n

Surface area	3.3927977839116E+14
Volume	2.5847572455613E+21
Height	13195395.53985