12821638 is an even 8-digits composite number following 12821637
and preceding 12821639 . In scientific notation, it is written as 1.2821638 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 5988096 positive integers (up to 12821638) that are relatively prime to 12821638.
12821638 has 16 divisors, whose sum is 20517840
The reverse of 12821638 is 83612821
Previous prime number is 139
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twelve million eight hundred twenty-one thousand six hundred thirty-eight
Scientific notation
1.2821638 × 10^7
Engineering notation
1.2821638 × 10^6
Prime Factorization
2 × 17 × 139 × 2713
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12821638
Product of the distinct prime numbers
The prime factorization of 12821638 is 2 × 17 × 139 × 2713.
Since it has a total of 4 prime factors.
8 , 7 , 15 , 64 , 44 , 596 , 6204 , 6059 , 95440 , 44717 , 443046 , 180443 , 6117190 , 9274126 , 20597804 , 24689908 , 570491813 , 618072356 , 539934007 , 7715496651
n×2
25643276
n×3
38464914
n×4
51286552
n×5
64108190
n÷2
6410819
n÷3
4273879.3333333
n÷3
3205409.5
n÷5
2564327.6
n2
164394401003044
n3
2.1078054988879E+21
n4
2.702551908115E+28
n5
3.4651142242059E+35
2 √n
3580.7314895144
3 √n
234.05315713481
4 √n
59.839213643851
5 √n
26.399074535944
1 , 2 , 17 , 34 , 139 , 278 , 2363 , 2713 , 4726 , 5426 , 46121 , 92242 , 377107 , 754214 , 6410819 , 12821638
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12821637
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12821638 can be divided by 16 positive divisors.
The sum of these divisors (counting 12821638) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110000111010010010000110
3
Ternary
220010101222111
4
Quaternary
300322102012
5
Quinary
11240243023
6
Senary
1134451234
8
Octal
60722206
10
Decimal
12821638
12
Duodecimal
4363b1a
16
Hexadecimal
c3a486
20
Vigesimal
402e1i
36
Base36
7mt8m
md5
916cabcf063eac0363b79a9e4b5e6629
sha1
bc8eaa83469498ec8c42c41acaa5e52542ff934b
sha256
e8cff9039034eb3a845feff4946ecd55b3e307c2d141585e0c370bfc169b2cf4
sha512
d04857bfba2de1f7aca4e190ef6f879ec645cbe9abbc5cebab3d2738b826f14d8672e24eb198937945aa3a3993ef20d06ae5cf716c27f33427a68978bfd5f4b4
ripemd-160
3519ad303395bcdfea1d260446b8d08a6af17678
Diameter
25643276
Circumference
80560727.495575
Area
5.1646024248246E+14
Volume
8.8291550273364E+21
Surface area
2.0658409699298E+15
Circumference
80560727.495575
Perimeter
51286552
Area
164394401003044
Diagonal
18132534.351438
Surface area
986366406018264
Volume
2.1078054988879E+21
Space diagonal
22207728.452256
Perimeter
38464914
Area
71184863754281
Altitude
11103864.226128
Surface area
71184863754281
Volume
2.4840726028098E+20
Height
6044178.1171461