12921381 is an odd 8-digits composite number following 12921380
and preceding 12921382 . In scientific notation, it is written as 1.2921381 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 7661760 positive integers (up to 12921381) that are relatively prime to 12921381.
12921381 has 24 divisors, whose sum is 20801664
The reverse of 12921381 is 18312921
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twelve million nine hundred twenty-one thousand three hundred eighty-one
Scientific notation
1.2921381 × 10^7
Engineering notation
1.2921381 × 10^6
Prime Factorization
3 × 11 × 3 × 47 × 2777
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4307127
Product of the distinct prime numbers
The prime factorization of 12921381 is 3 × 11 × 3 × 47 × 2777.
Since it has a total of 5 prime factors.
6 , 8 , 59 , 97 , 465 , 156 , 9738 , 9578 , 4662 , 90974 , 914167 , 914914 , 935261 , 3895635 , 59416838 , 38374404 , 731736907 , 172986650 , 2287053236 , 7422185864
n×2
25842762
n×3
38764143
n×4
51685524
n×5
64606905
n÷2
6460690.5
n÷3
4307127
n÷3
3230345.25
n÷5
2584276.2
n2
166962086947161
n3
2.1573807379994E+21
n4
2.7876338477751E+28
n5
3.6020079035599E+35
2 √n
3594.6322482279
3 √n
234.65851109993
4 √n
59.95525204874
5 √n
26.440020434077
1 , 3 , 9 , 11 , 33 , 47 , 99 , 141 , 423 , 517 , 1551 , 2777 , 4653 , 8331 , 24993 , 30547 , 91641 , 130519 , 274923 , 391557 , 1174671 , 1435709 , 4307127 , 12921381
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12921380
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12921381 can be divided by 24 positive divisors.
The sum of these divisors (counting 12921381) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
110001010010101000100101
3
Ternary
220022110210200
4
Quaternary
301102220211
5
Quinary
11301441011
6
Senary
1140541113
8
Octal
61225045
10
Decimal
12921381
12
Duodecimal
43b1799
16
Hexadecimal
c52a25
20
Vigesimal
40f391
36
Base36
7oy79
md5
dccf6804a8e72e96212f48afd351c740
sha1
364326f327363af3880f1f8160be3006560b1e5c
sha256
71c9f053cb40258b469bf2ae4e0f613faa61303ec3b4bbb45a551ca97526577c
sha512
3815b8629185bb9fe9694d50c49a1e5032cb5a3cbeb5baa8cdb130cb5d9b4d048e659a23c38c32f2d1fbb5330706fe0a96f7dcec984036f43263bb0e693b7d8d
ripemd-160
88744c9170cd1ebb797761e957c9cc53225a7299
Diameter
25842762
Circumference
81187431.247669
Area
5.2452686578122E+14
Volume
9.0368153033267E+21
Surface area
2.0981074631249E+15
Circumference
81187431.247669
Perimeter
51685524
Area
166962086947161
Diagonal
18273592.25479
Surface area
1001772521682966
Volume
2.1573807379994E+21
Space diagonal
22380488.395955
Perimeter
38764143
Area
72296704382554
Altitude
11190244.197978
Surface area
72296704382554
Volume
2.542497582401E+20
Height
6091197.4182633