12920387 is an odd 8-digits composite number following 12920386
and preceding 12920388 . In scientific notation, it is written as 1.2920387 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 12898896 positive integers (up to 12920387) that are relatively prime to 12920387.
12920387 has 4 divisors, whose sum is 12941880
The reverse of 12920387 is 78302921
Previous prime number is 619
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twelve million nine hundred twenty thousand three hundred eighty-seven
Scientific notation
1.2920387 × 10^7
Engineering notation
1.2920387 × 10^6
Prime Factorization
619 × 20873
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12920387
Product of the distinct prime numbers
The prime factorization of 12920387 is 619 × 20873.
Since it has a total of 2 prime factors.
6 , 1 , 9 , 1 , 150 , 452 , 1851 , 3022 , 13797 , 46852 , 107365 , 234638 , 1684083 , 573572 , 87380083 , 58874409 , 275890091 , 885027515 , 1269918510 , 7158635827
n×2
25840774
n×3
38761161
n×4
51681548
n×5
64601935
n÷2
6460193.5
n÷3
4306795.6666667
n÷3
3230096.75
n÷5
2584077.4
n2
166936400229769
n3
2.1568828953555E+21
n4
2.7867761721674E+28
n5
3.6006226626781E+35
2 √n
3594.4939838592
3 √n
234.65249377249
4 √n
59.954098974626
5 √n
26.439613632528
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
-12920386
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 12920387 can be divided by 4 positive divisors.
The sum of these divisors (counting 12920387) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001010010011001000011
3
Ternary
220022102102212
4
Quaternary
301102121003
5
Quinary
11301423022
6
Senary
1140532335
8
Octal
61223103
10
Decimal
12920387
12
Duodecimal
43b10ab
16
Hexadecimal
c52643
20
Vigesimal
40f0j7
36
Base36
7oxfn
md5
2a061e136ce2bf7baffd741226602712
sha1
df10ae8d091036f694c75b603a398108a529d9a5
sha256
f1541a91c4fe13e7e24c356eba8195f6b42d4363dfd9e6179429d9475e6758b4
sha512
c01c85bb3b8bf34e88c665f3631e539ff35351af6abbde0dfb6fe77f74ffbb35c3afd060242c8b681030ca4efa8b0c98dced9668b00d4784d7cf64ea91c886e4
ripemd-160
ce58e6eef68107ba59cb69c74391e4ff8d638919
Diameter
25840774
Circumference
81181185.761474
Area
5.2444616857857E+14
Volume
9.0347299449364E+21
Surface area
2.0977846743143E+15
Circumference
81181185.761474
Perimeter
51681548
Area
166936400229769
Diagonal
18272186.526509
Surface area
1001618401378614
Volume
2.1568828953555E+21
Space diagonal
22378766.737452
Perimeter
38761161
Area
72285581707653
Altitude
11189383.368726
Surface area
72285581707653
Volume
2.5419108692186E+20
Height
6090728.8421697