12821755 is an odd 8-digits composite number following 12821754
and preceding 12821756 . In scientific notation, it is written as 1.2821755 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 9926400 positive integers (up to 12821755) that are relatively prime to 12821755.
12821755 has 4 divisors, whose sum is 12904632
The reverse of 12821755 is 55712821
Previous prime number is 155
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twelve million eight hundred twenty-one thousand seven hundred fifty-five
Scientific notation
1.2821755 × 10^7
Engineering notation
1.2821755 × 10^6
Prime Factorization
155 × 82721
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12821755
Product of the distinct prime numbers
The prime factorization of 12821755 is 155 × 82721.
Since it has a total of 2 prime factors.
6 , 9 , 41 , 35 , 846 , 924 , 9695 , 9477 , 61289 , 26112 , 438818 , 11869 , 455058 , 412662 , 94922816 , 35187269 , 69239560 , 72808764 , 7061325758 , 1000067180
n×2
25643510
n×3
38465265
n×4
51287020
n×5
64108775
n÷2
6410877.5
n÷3
4273918.3333333
n÷3
3205438.75
n÷5
2564351
n2
164397401280025
n3
2.1078632018492E+21
n4
2.7026505547626E+28
n5
3.465272326378E+35
2 √n
3580.7478269211
3 √n
234.05386905987
4 √n
59.839350154569
5 √n
26.399122715131
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12821754
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12821755 can be divided by 4 positive divisors.
The sum of these divisors (counting 12821755) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000111010010011111011
3
Ternary
220010102010211
4
Quaternary
300322103323
5
Quinary
11240244010
6
Senary
1134451551
8
Octal
60722373
10
Decimal
12821755
12
Duodecimal
4363bb7
16
Hexadecimal
c3a4fb
20
Vigesimal
402e7f
36
Base36
7mtbv
md5
434fbf5d3c52f99cfd79eab93c64fc98
sha1
49eb73bbe015e5c15b47b89e1557ce6cd57e28d1
sha256
5d7b03560a43925e3331e32d3895b5e2d1e432704d2098f990a13a8a77598a0c
sha512
8be8013234968636a7f7cf9756014f30800af3d45216e257db6b193d9b701a6654d8682ad043b08309081fd67c2346d5ec9516727e224fd7a7cf96ea6ad1fbea
ripemd-160
cc1da563ec363af81f4e0fb5cb9b0229a2bc445c
Diameter
25643510
Circumference
80561462.628256
Area
5.1646966813058E+14
Volume
8.8293967329355E+21
Surface area
2.0658786725223E+15
Circumference
80561462.628256
Perimeter
51287020
Area
164397401280025
Diagonal
18132699.814425
Surface area
986384407680150
Volume
2.1078632018492E+21
Space diagonal
22207931.1022
Perimeter
38465265
Area
71186162912323
Altitude
11103965.5511
Surface area
71186162912323
Volume
2.4841406064019E+20
Height
6044233.271475