27991285 (number)

27991285 is an odd 8-digits composite number following 27991284 and preceding 27991286. In scientific notation, it is written as 2.7991285 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 19139328 positive integers (up to 27991285) that are relatively prime to 27991285.

Interesting facts

Basic properties

Name

Name twenty-seven million nine hundred ninety-one thousand two hundred eighty-five

Notation

Scientific notation 2.7991285 × 10^7
Engineering notation 2.7991285 × 10^6

Prime Factorization of 27991285

Prime Factorization 35 × 1847 × 433

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 27991285
Product of the distinct prime numbers

The prime factorization of 27991285 is 35 × 1847 × 433. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 27991285)

Multiplication

n×y
n×2 55982570
n×3 83973855
n×4 111965140
n×5 139956425

Division

n÷y
n÷2 13995642.5
n÷3 9330428.3333333
n÷3 6997821.25
n÷5 5598257

Exponentiation

ny
n2 783512035951225
n3 2.1931508699241E+22
n4 6.1389111048043E+29
n5 1.7183601032424E+37

Nth Root

y√n
2√n 5290.6790679458
3√n 303.62738930781
4√n 72.73705429797
5√n 30.860614336234

Divisors of 27991285

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -27991284
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 27991285 can be divided by 8 positive divisors. The sum of these divisors (counting 27991285) is 1, the average is 0.125.

Base conversion 27991285

Base System Value
2 Binary 1101010110001110011110101
3 Ternary 1221200002211021
4 Quaternary 1222301303311
5 Quinary 24131210120
6 Senary 2435541141
8 Octal 152616365
10 Decimal 27991285
12 Duodecimal 945a7b1
16 Hexadecimal 1ab1cf5
20 Vigesimal 8eii45
36 Base36 gny7p

Cryptographic Hash Functions

md5 95b072a54140700b5f960fb449895dda
sha1 ffbd165a1ed8525a4465b499cc468120de2a6a2a
sha256 babcd38a1c8bdbda6b282a5e664b0f9aa7a4b6b492404ab1deaece977929a398
sha512 96c3baad1e68156524f1f8d0305327291cea31e6f1e639417a083afb2a67507caf92b9a9b9e830bad8eda32cff0859ca810d21d5c413a9f1137513c6d0e0b626
ripemd-160 52a54c0ac8747401bbdd2924b2c180157f94fb9d

27991285 as geometric shapes

Circle

Radius = n
Diameter 55982570
Circumference 175874430.64108
Area 2.4614756561436E+15

Sphere

Radius = n
Volume 9.1866488815568E+22
Surface area 9.8459026245742E+15
Circumference 175874430.64108

Square

Length = n
Perimeter 111965140
Area 783512035951225
Diagonal 39585654.875251

Cube

Length = n
Surface area 4701072215707350
Volume 2.1931508699241E+22
Space diagonal 48482327.789141

Equilateral Triangle

Length = n
Perimeter 83973855
Area 3.3927066365231E+14
Altitude 24241163.89457

Triangular Pyramid

Length = n
Surface area 3.3927066365231E+14
Volume 2.5846530871475E+21
Height 13195218.29175