27991640 (number)

27991640 is an even 8-digits composite number following 27991639 and preceding 27991641. In scientific notation, it is written as 2.7991640 × 10^7. The sum of its digits is 38. It has a total of 5 prime factors and 16 positive divisors. There are 11196640 positive integers (up to 27991640) that are relatively prime to 27991640.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.7991640 × 10^7
Engineering notation 2.7991640 × 10^6

Prime Factorization of 27991640

Prime Factorization 2 × 2 × 2 × 5 × 699791

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 6997910
Product of the distinct prime numbers

The prime factorization of 27991640 is 2 × 2 × 2 × 5 × 699791. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 6, 4, 21, 884, 30, 953, 5102, 90377, 71040, 160016, 548184, 731572, 5836311, 58448642, 52816134, 91162655, 690332056, 3910057958, 1064180188

Basic calculations (n = 27991640)

Multiplication

n×y
n×2 55983280
n×3 83974920
n×4 111966560
n×5 139958200

Division

n÷y
n÷2 13995820
n÷3 9330546.6666667
n÷3 6997910
n÷5 5598328

Exponentiation

ny
n2 783531909889600
n3 2.1932343150142E+22
n4 6.1392225381524E+29
n5 1.7184690716785E+37

Nth Root

y√n
2√n 5290.712617408
3√n 303.62867288909
4√n 72.737284919139
5√n 30.860692613902

Divisors of 27991640

1, 2, 4, 5, 8, 10, 20, 40, 699791, 1399582, 2799164, 3498955, 5598328, 6997910, 13995820, 27991640

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -27991639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 27991640 can be divided by 16 positive divisors. The sum of these divisors (counting 27991640) is 1, the average is 0.0625.

Base conversion 27991640

Base System Value
2 Binary 1101010110001111001011000
3 Ternary 1221200010022102
4 Quaternary 1222301321120
5 Quinary 24131213030
6 Senary 2435542532
8 Octal 152617130
10 Decimal 27991640
12 Duodecimal 945aa48
16 Hexadecimal 1ab1e58
20 Vigesimal 8eij20
36 Base36 gnyhk

Cryptographic Hash Functions

md5 ec71c0d8aa38c327c42ebd442c380ac8
sha1 b0fc5a0231799df03ad606fe050176920ef4a1a0
sha256 311887731ca65bf7632aed84015582fb8e623f865999d5e78363c7dee344c325
sha512 d3f6021144f3acb45bca67b9b202646959c29a634393356a82c1ddba390a568a0db2622fc77d38aa2a13d90bc338cd025d4eb977a1eee6d39f7c7a1ec19c6be5
ripemd-160 5898580a7489bc76074a86f60d3e1ac31db17e97

27991640 as geometric shapes

Circle

Radius = n
Diameter 55983280
Circumference 175876661.17186
Area 2.4615380919623E+15

Sphere

Radius = n
Volume 9.1869984155329E+22
Surface area 9.8461523678494E+15
Circumference 175876661.17186

Square

Length = n
Perimeter 111966560
Area 783531909889600
Diagonal 39586156.921065

Cube

Length = n
Surface area 4701191459337600
Volume 2.1932343150142E+22
Space diagonal 48482942.667177

Equilateral Triangle

Length = n
Perimeter 83974920
Area 3.3927926932007E+14
Altitude 24241471.333589

Triangular Pyramid

Length = n
Surface area 3.3927926932007E+14
Volume 2.5847514281293E+21
Height 13195385.640355