27981331 (number)

27981331 is an odd 8-digits composite number following 27981330 and preceding 27981332. In scientific notation, it is written as 2.7981331 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 23958528 positive integers (up to 27981331) that are relatively prime to 27981331.

Interesting facts

Basic properties

Name

Name twenty-seven million nine hundred eighty-one thousand three hundred thirty-one

Notation

Scientific notation 2.7981331 × 10^7
Engineering notation 2.7981331 × 10^6

Prime Factorization of 27981331

Prime Factorization 7 × 1409 × 2837

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 27981331
Product of the distinct prime numbers

The prime factorization of 27981331 is 7 × 1409 × 2837. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 27981331)

Multiplication

n×y
n×2 55962662
n×3 83943993
n×4 111925324
n×5 139906655

Division

n÷y
n÷2 13990665.5
n÷3 9327110.3333333
n÷3 6995332.75
n÷5 5596266.2

Exponentiation

ny
n2 782954884531561
n3 2.1908119782144E+22
n4 6.1301835121183E+29
n5 1.7153069394332E+37

Nth Root

y√n
2√n 5289.7382732986
3√n 303.59139399286
4√n 72.73058691705
5√n 30.858419151126

Divisors of 27981331

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 -27981330
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 27981331 can be divided by 8 positive divisors. The sum of these divisors (counting 27981331) is 1, the average is 0.125.

Base conversion 27981331

Base System Value
2 Binary 1101010101111011000010011
3 Ternary 1221122121011121
4 Quaternary 1222233120103
5 Quinary 24130400311
6 Senary 2435423111
8 Octal 152573023
10 Decimal 27981331
12 Duodecimal 9454a97
16 Hexadecimal 1aaf613
20 Vigesimal 8ehd6b
36 Base36 gnqj7

Cryptographic Hash Functions

md5 c6078f300a609fde5181c098083624f6
sha1 67558151f18ca2344c903973b9b63daa64afe0bf
sha256 c6b67c3512da0a138f6da46686225ee1da14e0270b40028a0450934913597d2c
sha512 29b36e11f34a029e33ec642fce09121aecd21315c527feddd844b6b66ad1abcb1a9d9cea096acc83db4357dd8f9926f060d083aedf13c0815b21e3195374eae6
ripemd-160 6b96ce25c8791ffab05e340f6a926b9e981b8e1a

27981331 as geometric shapes

Circle

Radius = n
Diameter 55962662
Circumference 175811887.81453
Area 2.4597253133366E+15

Sphere

Radius = n
Volume 9.1768517548733E+22
Surface area 9.8389012533464E+15
Circumference 175811887.81453

Square

Length = n
Perimeter 111925324
Area 782954884531561
Diagonal 39571577.793451

Cube

Length = n
Surface area 4697729307189366
Volume 2.1908119782144E+22
Space diagonal 48465086.955402

Equilateral Triangle

Length = n
Perimeter 83943993
Area 3.3902941001072E+14
Altitude 24232543.477701

Triangular Pyramid

Length = n
Surface area 3.3902941001072E+14
Volume 2.5818966768336E+21
Height 13190525.93115