12797921 is an odd 8-digits composite number following 12797920
and preceding 12797922 . In scientific notation, it is written as 1.2797921 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 12635844 positive integers (up to 12797921) that are relatively prime to 12797921.
12797921 has 4 divisors, whose sum is 12960000
The reverse of 12797921 is 12979721
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twelve million seven hundred ninety-seven thousand nine hundred twenty-one
Scientific notation
1.2797921 × 10^7
Engineering notation
1.2797921 × 10^6
Prime Factorization
79 × 161999
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12797921
Product of the distinct prime numbers
The prime factorization of 12797921 is 79 × 161999.
Since it has a total of 2 prime factors.
3 , 4 , 93 , 93 , 809 , 975 , 7591 , 7404 , 10634 , 79875 , 719670 , 238261 , 662466 , 4609246 , 6530030 , 15465722 , 572140400 , 405836936 , 5741270723 , 8113493890
n×2
25595842
n×3
38393763
n×4
51191684
n×5
63989605
n÷2
6398960.5
n÷3
4265973.6666667
n÷3
3199480.25
n÷5
2559584.2
n2
163786781922241
n3
2.0961302958851E+21
n4
2.6826109932444E+28
n5
3.4331843565273E+35
2 √n
3577.418203118
3 √n
233.90875371947
4 √n
59.811522327374
5 √n
26.389300891961
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
-12797920
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 12797921 can be divided by 4 positive divisors.
The sum of these divisors (counting 12797921) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000110100011111100001
3
Ternary
220002012110002
4
Quaternary
300310133201
5
Quinary
11234013141
6
Senary
1134145345
8
Octal
60643741
10
Decimal
12797921
12
Duodecimal
4352255
16
Hexadecimal
c347e1
20
Vigesimal
3jjeg1
36
Base36
7maxt
md5
0fb93c2a081c942fbb6fe297f4561104
sha1
15565c6236406ad6a0e4e93a3ee64f46fa54f543
sha256
f6e36f108505d980f42a2f3eb305852ae66e760ea2e0d76d0aa53bc208e6a51b
sha512
0925cfc088bad27cebadc45953e77d1904ad9ab13a973ec68dcb79d66bb02a8d881b60d19904de2544d2fccd5e8d0729d1421814c697bd74f94bd602a8b58be1
ripemd-160
0d0f162572704f2f315853817bbbc678c0fdb7e8
Diameter
25595842
Circumference
80411709.189645
Area
5.1455135084203E+14
Volume
8.7802500513594E+21
Surface area
2.0582054033681E+15
Circumference
80411709.189645
Perimeter
51191684
Area
163786781922241
Diagonal
18098993.448379
Surface area
982720691533446
Volume
2.0961302958851E+21
Space diagonal
22166649.403253
Perimeter
38393763
Area
70921756974381
Altitude
11083324.701626
Surface area
70921756974381
Volume
2.4703132441182E+20
Height
6032997.8161265