27991091 (number)

27991091 is an odd 8-digits composite number following 27991090 and preceding 27991092. In scientific notation, it is written as 2.7991091 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 27734184 positive integers (up to 27991091) that are relatively prime to 27991091.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.7991091 × 10^7
Engineering notation 2.7991091 × 10^6

Prime Factorization of 27991091

Prime Factorization 109 × 256799

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 27991091
Product of the distinct prime numbers

The prime factorization of 27991091 is 109 × 256799. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 27991091)

Multiplication

n×y
n×2 55982182
n×3 83973273
n×4 111964364
n×5 139955455

Division

n÷y
n÷2 13995545.5
n÷3 9330363.6666667
n÷3 6997772.75
n÷5 5598218.2

Exponentiation

ny
n2 783501175370281
n3 2.1931052698396E+22
n4 6.1387409180661E+29
n5 1.7183005566301E+37

Nth Root

y√n
2√n 5290.6607337836
3√n 303.62668785318
4√n 72.736928267446
5√n 30.860571558807

Divisors of 27991091

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 -27991090
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 27991091 can be divided by 4 positive divisors. The sum of these divisors (counting 27991091) is 1, the average is 0.25.

Base conversion 27991091

Base System Value
2 Binary 1101010110001110000110011
3 Ternary 1221200002120002
4 Quaternary 1222301300303
5 Quinary 24131203331
6 Senary 2435540215
8 Octal 152616063
10 Decimal 27991091
12 Duodecimal 945a66b
16 Hexadecimal 1ab1c33
20 Vigesimal 8eiheb
36 Base36 gny2b

Cryptographic Hash Functions

md5 15108351e9d8d742fa921dbd35323fb4
sha1 988ace577ccca385ad95edc383e961cfb84d9321
sha256 42594a08296ab4dfaf1dbee223e93f25eacd5617ef2aa256feefbb7136809830
sha512 bcee9cff76b0099b6db23483ecf016957071b49118bf4ea05ba7ff05b98ac1843d0d93312f241a834820add58d26c38454578322eb1fd5c884c99e3f87d0b913
ripemd-160 6106ca5b44dd150887489f02cc5cc4467cff5701

27991091 as geometric shapes

Circle

Radius = n
Diameter 55982182
Circumference 175873211.70313
Area 2.4614415366222E+15

Sphere

Radius = n
Volume 9.1864578723697E+22
Surface area 9.845766146489E+15
Circumference 175873211.70313

Square

Length = n
Perimeter 111964364
Area 783501175370281
Diagonal 39585380.517819

Cube

Length = n
Surface area 4701007052221686
Volume 2.1931052698396E+22
Space diagonal 48481991.771284

Equilateral Triangle

Length = n
Perimeter 83973273
Area 3.3926596088281E+14
Altitude 24240995.885642

Triangular Pyramid

Length = n
Surface area 3.3926596088281E+14
Volume 2.5845993469326E+21
Height 13195126.839273