2655981 (number)

2655981 is an odd 7-digits composite number following 2655980 and preceding 2655982. In scientific notation, it is written as 2.655981 × 10^6. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 1729224 positive integers (up to 2655981) that are relatively prime to 2655981.

Interesting facts

Basic properties

Name

Name two million six hundred fifty-five thousand nine hundred eighty-one

Notation

Scientific notation 2.655981 × 10^6
Engineering notation 2.655981 × 10^6

Prime Factorization of 2655981

Prime Factorization 3 × 3 × 43 × 6863

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 885327
Product of the distinct prime numbers

The prime factorization of 2655981 is 3 × 3 × 43 × 6863. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 2655981)

Multiplication

n×y
n×2 5311962
n×3 7967943
n×4 10623924
n×5 13279905

Division

n÷y
n÷2 1327990.5
n÷3 885327
n÷3 663995.25
n÷5 531196.2

Exponentiation

ny
n2 7054235072361
n3 1.8735914321724E+19
n4 4.9762232456128E+25
n5 1.3216754392106E+32

Nth Root

y√n
2√n 1629.7180737784
3√n 138.48678122395
4√n 40.369766828388
5√n 19.268370689437

Divisors of 2655981

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -2655980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 2655981 can be divided by 12 positive divisors. The sum of these divisors (counting 2655981) is 1, the average is 0.083333333333333.

Base conversion 2655981

Base System Value
2 Binary 1010001000011011101101
3 Ternary 11222221022200
4 Quaternary 22020123231
5 Quinary 1134442411
6 Senary 132532113
8 Octal 12103355
10 Decimal 2655981
12 Duodecimal a81039
16 Hexadecimal 2886ed
20 Vigesimal gbjj1
36 Base36 1kxd9

Cryptographic Hash Functions

md5 37e44ec3f18bcb25f04c4bfcbeb01e76
sha1 4314dd9bf7bdffb98d19b619163ef27bc782da8d
sha256 8819eb7f7c1e20eb85ad7c1b8400a39bb51fd3932fd23bcf4e3def9476117223
sha512 5a8957af0b3eeb53d6b5d2d20be5d2580d664b0b16fbcba13845e6c5dc1919cd5eeed16369f2b7f4f032271d289c6f73d4fdfae8c4cd8aec10ce0554a0bad959
ripemd-160 8e4a86cc496960984f03a3e84d64109eb3aa5f9d

2655981 as geometric shapes

Circle

Radius = n
Diameter 5311962
Circumference 16688020.795348
Area 22161533080025

Sphere

Radius = n
Volume 7.8480814388556E+19
Surface area 88646132320099
Circumference 16688020.795348

Square

Length = n
Perimeter 10623924
Area 7054235072361
Diagonal 3756124.3516053

Cube

Length = n
Surface area 42325410434166
Volume 1.8735914321724E+19
Space diagonal 4600294.0359376

Equilateral Triangle

Length = n
Perimeter 7967943
Area 3054573388465.9
Altitude 2300147.0179688

Triangular Pyramid

Length = n
Surface area 3054573388465.9
Volume 2.2080486781036E+18
Height 1252041.4505351