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.
2655981 has 12 divisors, whose sum is 3926208
The reverse of 2655981 is 1895562
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 36
Digital Root 9
Name
two million six hundred fifty-five thousand nine hundred eighty-one
Scientific notation
2.655981 × 10^6
Engineering notation
2.655981 × 10^6
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.
5 , 9 , 1 , 53 , 849 , 718 , 1865 , 8660 , 14626 , 18129 , 909878 , 60028 , 151628 , 6048901 , 79382477 , 54902673 , 201599502 , 861402671 , 7991713 , 2124031579
n×2
5311962
n×3
7967943
n×4
10623924
n×5
13279905
n÷2
1327990.5
n÷3
885327
n÷3
663995.25
n÷5
531196.2
n2
7054235072361
n3
1.8735914321724E+19
n4
4.9762232456128E+25
n5
1.3216754392106E+32
2 √n
1629.7180737784
3 √n
138.48678122395
4 √n
40.369766828388
5 √n
19.268370689437
1 , 3 , 9 , 43 , 129 , 387 , 6863 , 20589 , 61767 , 295109 , 885327 , 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
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
md5
37e44ec3f18bcb25f04c4bfcbeb01e76
sha1
4314dd9bf7bdffb98d19b619163ef27bc782da8d
sha256
8819eb7f7c1e20eb85ad7c1b8400a39bb51fd3932fd23bcf4e3def9476117223
sha512
5a8957af0b3eeb53d6b5d2d20be5d2580d664b0b16fbcba13845e6c5dc1919cd5eeed16369f2b7f4f032271d289c6f73d4fdfae8c4cd8aec10ce0554a0bad959
ripemd-160
8e4a86cc496960984f03a3e84d64109eb3aa5f9d
Diameter
5311962
Circumference
16688020.795348
Area
22161533080025
Volume
7.8480814388556E+19
Surface area
88646132320099
Circumference
16688020.795348
Perimeter
10623924
Area
7054235072361
Diagonal
3756124.3516053
Surface area
42325410434166
Volume
1.8735914321724E+19
Space diagonal
4600294.0359376
Perimeter
7967943
Area
3054573388465.9
Altitude
2300147.0179688
Surface area
3054573388465.9
Volume
2.2080486781036E+18
Height
1252041.4505351