12756421 is an odd 8-digits composite number following 12756420
and preceding 12756422 . In scientific notation, it is written as 1.2756421 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 12201772 positive integers (up to 12756421) that are relatively prime to 12756421.
12756421 has 4 divisors, whose sum is 13311072
The reverse of 12756421 is 12465721
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twelve million seven hundred fifty-six thousand four hundred twenty-one
Scientific notation
1.2756421 × 10^7
Engineering notation
1.2756421 × 10^6
Prime Factorization
23 × 554627
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12756421
Product of the distinct prime numbers
The prime factorization of 12756421 is 23 × 554627.
Since it has a total of 2 prime factors.
5 , 10 , 53 , 53 , 594 , 306 , 5061 , 6442 , 1288 , 43452 , 595242 , 955981 , 6470740 , 6923898 , 78401516 , 94587973 , 391754612 , 392037044 , 7111671073 , 7848143197
n×2
25512842
n×3
38269263
n×4
51025684
n×5
63782105
n÷2
6378210.5
n÷3
4252140.3333333
n÷3
3189105.25
n÷5
2551284.2
n2
162726276729241
n3
2.0758048937207E+21
n4
2.6479841138162E+28
n5
3.3778800157151E+35
2 √n
3571.6132209409
3 √n
233.65564685949
4 √n
59.762975335411
5 √n
26.372164057498
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
-12756420
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 12756421 can be divided by 4 positive divisors.
The sum of these divisors (counting 12756421) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000101010010111000101
3
Ternary
220000002112001
4
Quaternary
300222113011
5
Quinary
11231201141
6
Senary
1133225301
8
Octal
60522705
10
Decimal
12756421
12
Duodecimal
4332231
16
Hexadecimal
c2a5c5
20
Vigesimal
3jeb11
36
Base36
7lex1
md5
7a6a418f212ff9cd4e03e36bdfe200eb
sha1
ab6acaf86ec3a867d8d78189e23a3bbb57274ffe
sha256
d27d40465e3c147868a5938fb6b0bb965a6a574965d6037883e328c312de9a73
sha512
847f00ce115d0b5db033b1eedb5fbf3a0d3de08fc3b76d7aca9da1636fa46afab3a27bc5a4e1e0be02bd174af30577e0d180091cb68de2d9847dd7e2d1dcde3b
ripemd-160
e6c9228d94421cb6d91a8a956b24259f698fa7e6
Diameter
25512842
Circumference
80150956.999397
Area
5.112196755186E+14
Volume
8.6951112058649E+21
Surface area
2.0448787020744E+15
Circumference
80150956.999397
Perimeter
51025684
Area
162726276729241
Diagonal
18040303.585541
Surface area
976357660375446
Volume
2.0758048937207E+21
Space diagonal
22094769.294739
Perimeter
38269263
Area
70462544755390
Altitude
11047384.647369
Surface area
70462544755390
Volume
2.4463595279502E+20
Height
6013434.5285137