12821145 is an odd 8-digits composite number following 12821144
and preceding 12821146 . In scientific notation, it is written as 1.2821145 × 10^7.
The sum of its digits is 24. It has a total of 5 prime factors and 32 positive divisors.
There are 6371328 positive integers (up to 12821145) that are relatively prime to 12821145.
12821145 has 32 divisors, whose sum is 21938688
The reverse of 12821145 is 54112821
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twelve million eight hundred twenty-one thousand one hundred forty-five
Scientific notation
1.2821145 × 10^7
Engineering notation
1.2821145 × 10^6
Prime Factorization
3 × 5 × 17 × 137 × 367
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
12821145
Product of the distinct prime numbers
The prime factorization of 12821145 is 3 × 5 × 17 × 137 × 367.
Since it has a total of 5 prime factors.
3 , 10 , 38 , 33 , 347 , 432 , 8556 , 6889 , 93511 , 77404 , 434286 , 508336 , 8783711 , 3666931 , 94208848 , 23253567 , 302972343 , 651249573 , 6416916156 , 8075410642
n×2
25642290
n×3
38463435
n×4
51284580
n×5
64105725
n÷2
6410572.5
n÷3
4273715
n÷3
3205286.25
n÷5
2564229
n2
164381759111025
n3
2.1075623689175E+21
n4
2.7021362728435E+28
n5
3.4644480963886E+35
2 √n
3580.66264817
3 √n
234.05015726627
4 √n
59.838638421759
5 √n
26.398871520637
1 , 3 , 5 , 15 , 17 , 51 , 85 , 137 , 255 , 367 , 411 , 685 , 1101 , 1835 , 2055 , 2329 , 5505 , 6239 , 6987 , 11645 , 18717 , 31195 , 34935 , 50279 , 93585 , 150837 , 251395 , 754185 , 854743 , 2564229 , 4273715 , 12821145
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12821144
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12821145 can be divided by 32 positive divisors.
The sum of these divisors (counting 12821145) is 1, the average is 0.03125.
Base
System
Value
2
Binary
110000111010001010011001
3
Ternary
220010101022020
4
Quaternary
300322022121
5
Quinary
11240234040
6
Senary
1134445053
8
Octal
60721231
10
Decimal
12821145
12
Duodecimal
4363789
16
Hexadecimal
c3a299
20
Vigesimal
402ch5
36
Base36
7msux
md5
49b118d42fb00a8afce9b621754a76c1
sha1
e219370416b8f51a8a0eb2679fe89e0c68561c09
sha256
1de5b55aeb3a9190c84366c8cd273884b8c0e2a57bb89869569eb3b0f35ff747
sha512
f50d232bec0785520aaee1db5c7344137ac69090ab40f0803aaec3bb38025806b6e9514bd5a76bd0228fb8bf988ace8d83f1825979f97f458b11cb0f9d84ac8d
ripemd-160
b1aa8592dc6c57dfeab854b3a7d5dd26d8c8327f
Diameter
25642290
Circumference
80557629.885219
Area
5.1642052680736E+14
Volume
8.8281366068981E+21
Surface area
2.0656821072295E+15
Circumference
80557629.885219
Perimeter
51284580
Area
164381759111025
Diagonal
18131837.144152
Surface area
986290554666150
Volume
2.1075623689175E+21
Space diagonal
22206874.551208
Perimeter
38463435
Area
71179389654461
Altitude
11103437.275604
Surface area
71179389654461
Volume
2.4837860713919E+20
Height
6043945.7147173