12971581 is an odd 8-digits composite number following 12971580
and preceding 12971582 . In scientific notation, it is written as 1.2971581 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 11118492 positive integers (up to 12971581) that are relatively prime to 12971581.
12971581 has 4 divisors, whose sum is 14824672
The reverse of 12971581 is 18517921
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twelve million nine hundred seventy-one thousand five hundred eighty-one
Scientific notation
1.2971581 × 10^7
Engineering notation
1.2971581 × 10^6
Prime Factorization
7 × 1853083
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12971581
Product of the distinct prime numbers
The prime factorization of 12971581 is 7 × 1853083.
Since it has a total of 2 prime factors.
10 , 9 , 17 , 19 , 767 , 239 , 9748 , 5653 , 1685 , 18673 , 561230 , 836558 , 6140683 , 4842681 , 16711540 , 155926 , 774389785 , 383649736 , 7988781381 , 7216040905
n×2
25943162
n×3
38914743
n×4
51886324
n×5
64857905
n÷2
6485790.5
n÷3
4323860.3333333
n÷3
3242895.25
n÷5
2594316.2
n2
168261913639561
n3
2.1826230419906E+21
n4
2.8312071581647E+28
n5
3.6725232979913E+35
2 √n
3601.6081130517
3 √n
234.96200381614
4 √n
60.013399445888
5 √n
26.460532656351
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
-12971580
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 12971581 can be divided by 4 positive divisors.
The sum of these divisors (counting 12971581) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001011110111000111101
3
Ternary
220102000122221
4
Quaternary
301132320331
5
Quinary
11310042311
6
Senary
1142005341
8
Octal
61367075
10
Decimal
12971581
12
Duodecimal
4416851
16
Hexadecimal
c5ee3d
20
Vigesimal
4118j1
36
Base36
7q0xp
md5
2be25b881d50443f927f71175eef65b6
sha1
546cbf2cd197d1bec2fef4b7ac9fb64eff15f58d
sha256
59430ba39ba889ef0241b0cf50f58c400ac116255f16d7b0469785b8ed761529
sha512
85c9957f97969203b8b2f88871c4906fa13dc5a0d1f2a2faafd46de24fce0fa1709f46cf948226b005273fa90ff9d8a1ceb45e2c3b449ad2bf6280b1f4fbcdc8
ripemd-160
653322e1d333f1e9caa843026db9ec1d2cf9fb0e
Diameter
25943162
Circumference
81502847.15009
Area
5.2861039176901E+14
Volume
9.1425500190312E+21
Surface area
2.114441567076E+15
Circumference
81502847.15009
Perimeter
51886324
Area
168261913639561
Diagonal
18344585.775621
Surface area
1009571481837366
Volume
2.1826230419906E+21
Space diagonal
22467437.346495
Perimeter
38914743
Area
72859545850622
Altitude
11233718.673248
Surface area
72859545850622
Volume
2.5722459229426E+20
Height
6114861.9252071