27981954 (number)

27981954 is an even 8-digits composite number following 27981953 and preceding 27981955. In scientific notation, it is written as 2.7981954 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 6704640 positive integers (up to 27981954) that are relatively prime to 27981954.

Interesting facts

Basic properties

Name

Name twenty-seven million nine hundred eighty-one thousand nine hundred fifty-four

Notation

Scientific notation 2.7981954 × 10^7
Engineering notation 2.7981954 × 10^6

Prime Factorization of 27981954

Prime Factorization 2 × 273 × 33 × 1553

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 27981954
Product of the distinct prime numbers

The prime factorization of 27981954 is 2 × 273 × 33 × 1553. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 2, 60, 88, 87, 813, 2129, 3168, 16461, 31980, 656097, 587172, 2221342, 8022605, 1168887, 47417347, 546557223, 301416941, 1646003389, 2727692402

Basic calculations (n = 27981954)

Multiplication

n×y
n×2 55963908
n×3 83945862
n×4 111927816
n×5 139909770

Division

n÷y
n÷2 13990977
n÷3 9327318
n÷3 6995488.5
n÷5 5596390.8

Exponentiation

ny
n2 782989749658116
n3 2.1909583157405E+22
n4 6.1307294806968E+29
n5 1.715497903153E+37

Nth Root

y√n
2√n 5289.7971605724
3√n 303.59364711459
4√n 72.730991747483
5√n 30.858556561486

Divisors of 27981954

1, 2, 33, 66, 273, 546, 1553, 3106, 9009, 18018, 51249, 102498, 423969, 847938, 13990977, 27981954

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 -27981953
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 27981954 can be divided by 16 positive divisors. The sum of these divisors (counting 27981954) is 1, the average is 0.0625.

Base conversion 27981954

Base System Value
2 Binary 1101010101111100010000010
3 Ternary 1221122122000200
4 Quaternary 1222233202002
5 Quinary 24130410304
6 Senary 2435430030
8 Octal 152574202
10 Decimal 27981954
12 Duodecimal 9455316
16 Hexadecimal 1aaf882
20 Vigesimal 8ehehe
36 Base36 gnr0i

Cryptographic Hash Functions

md5 fc0c8609efda04dd3ac7692460f040aa
sha1 cf9ffa13ea6e09b982a44fe1481d34fd15e7170b
sha256 3b521519fecd43668ef02d638a68e51d17952c79ffcd7b9129f0afa2d3144e66
sha512 52cc4f8e17977eb0357673fdd6e85df5edb4e81452921d4a6d2ec4b077a0bb71b3d6681e4deefc1b6c46fb2769b44a14063859d2a05e5d125b15508c4fd54cef
ripemd-160 2733b73fe0781fe7fc6d713a9185224222f21d2e

27981954 as geometric shapes

Circle

Radius = n
Diameter 55963908
Circumference 175815802.23898
Area 2.459834845362E+15

Sphere

Radius = n
Volume 9.1774647320691E+22
Surface area 9.8393393814482E+15
Circumference 175815802.23898

Square

Length = n
Perimeter 111927816
Area 782989749658116
Diagonal 39572458.8485

Cube

Length = n
Surface area 4697938497948696
Volume 2.1909583157405E+22
Space diagonal 48466166.023055

Equilateral Triangle

Length = n
Perimeter 83945862
Area 3.3904450705337E+14
Altitude 24233083.011528

Triangular Pyramid

Length = n
Surface area 3.3904450705337E+14
Volume 2.5820691372619E+21
Height 13190819.616167