27720981 (number)

27720981 is an odd 8-digits composite number following 27720980 and preceding 27720982. In scientific notation, it is written as 2.7720981 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 17507664 positive integers (up to 27720981) that are relatively prime to 27720981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.7720981 × 10^7
Engineering notation 2.7720981 × 10^6

Prime Factorization of 27720981

Prime Factorization 9 × 3 × 19 × 54037

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 27720981
Product of the distinct prime numbers

The prime factorization of 27720981 is 9 × 3 × 19 × 54037. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 8, 88, 72, 288, 265, 5470, 2001, 8335, 15396, 185420, 890640, 6208280, 1803540, 65870364, 11049481, 827807540, 151408899, 6852521903, 4003833004

Basic calculations (n = 27720981)

Multiplication

n×y
n×2 55441962
n×3 83162943
n×4 110883924
n×5 138604905

Division

n÷y
n÷2 13860490.5
n÷3 9240327
n÷3 6930245.25
n÷5 5544196.2

Exponentiation

ny
n2 768452787602361
n3 2.1302265124522E+22
n4 5.9051968677384E+29
n5 1.6369785017184E+37

Nth Root

y√n
2√n 5265.0717943823
3√n 302.6468781064
4√n 72.560814455064
5√n 30.800780305539

Divisors of 27720981

1, 3, 9, 19, 27, 57, 171, 513, 54037, 162111, 486333, 1026703, 1458999, 3080109, 9240327, 27720981

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 -27720980
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 27720981 can be divided by 16 positive divisors. The sum of these divisors (counting 27720981) is 1, the average is 0.0625.

Base conversion 27720981

Base System Value
2 Binary 1101001101111110100010101
3 Ternary 1221011101001000
4 Quaternary 1221233310111
5 Quinary 24044032411
6 Senary 2430053513
8 Octal 151576425
10 Decimal 27720981
12 Duodecimal 934a299
16 Hexadecimal 1a6fd15
20 Vigesimal 8d5291
36 Base36 gi5n9

Cryptographic Hash Functions

md5 e90986e1151fc53fea733cd975cfb926
sha1 788a855590f99649cb1423ebc29ebee7e583a1e7
sha256 3639603e446ff8b973332133c064134d5683e720d836af845628bf6f8dad9dfa
sha512 033bd72356fe178fa38dc2b95772bf681357ab95b8d2f670169d166853b881a0badd3e911595e8b741b40a828a24437122f72f6ec36482825581c75b5bab5943
ripemd-160 ee49af70988cfaffb664a39ba0fa1372a967d756

27720981 as geometric shapes

Circle

Radius = n
Diameter 55441962
Circumference 174176060.5198
Area 2.4141656321622E+15

Sphere

Radius = n
Volume 8.9230719493361E+22
Surface area 9.6566625286487E+15
Circumference 174176060.5198

Square

Length = n
Perimeter 110883924
Area 768452787602361
Diagonal 39203387.292487

Cube

Length = n
Surface area 4610716725614166
Volume 2.1302265124522E+22
Space diagonal 48014147.527652

Equilateral Triangle

Length = n
Perimeter 83162943
Area 3.3274981783631E+14
Altitude 24007073.763826

Triangular Pyramid

Length = n
Surface area 3.3274981783631E+14
Volume 2.5104960206972E+21
Height 13067795.764162