12987295 is an odd 8-digits composite number following 12987294
and preceding 12987296 . In scientific notation, it is written as 1.2987295 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 9614880 positive integers (up to 12987295) that are relatively prime to 12987295.
12987295 has 16 divisors, whose sum is 16791552
The reverse of 12987295 is 59278921
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twelve million nine hundred eighty-seven thousand two hundred ninety-five
Scientific notation
1.2987295 × 10^7
Engineering notation
1.2987295 × 10^6
Prime Factorization
5 × 23 × 31 × 3643
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12987295
Product of the distinct prime numbers
The prime factorization of 12987295 is 5 × 23 × 31 × 3643.
Since it has a total of 4 prime factors.
8 , 1 , 28 , 79 , 1000 , 155 , 911 , 3416 , 77685 , 51377 , 12549 , 689478 , 8243461 , 4443798 , 76038789 , 14785487 , 513565080 , 533005081 , 4288524019 , 2910222039
n×2
25974590
n×3
38961885
n×4
51949180
n×5
64936475
n÷2
6493647.5
n÷3
4329098.3333333
n÷3
3246823.75
n÷5
2597459
n2
168669831417025
n3
2.1905648582132E+21
n4
2.8449512030248E+28
n5
3.6948220534287E+35
2 √n
3603.7889782838
3 √n
235.05684455559
4 √n
60.031566515324
5 √n
26.466940502444
1 , 5 , 23 , 31 , 115 , 155 , 713 , 3565 , 3643 , 18215 , 83789 , 112933 , 418945 , 564665 , 2597459 , 12987295
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
-12987294
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 12987295 can be divided by 16 positive divisors.
The sum of these divisors (counting 12987295) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001100010101110011111
3
Ternary
220102211012221
4
Quaternary
301202232133
5
Quinary
11311043140
6
Senary
1142210211
8
Octal
61425637
10
Decimal
12987295
12
Duodecimal
4423967
16
Hexadecimal
c62b9f
20
Vigesimal
41384f
36
Base36
7qd27
md5
d7765dc86a7912305fce38afed82d72d
sha1
3d4ff428d839c31766ddd43f7a019a15c5dd2a02
sha256
aaad3fe8feea31bf38dfaa9fb097b545553fe0912fa49e03c6c355a64cbad1af
sha512
5bca448b758a5b2c1077af28899c76a838444d5a7e775d5563e8f91e7561109c194ccd9559e4c5a76e330638381e05cbd787daf7bab081aba19c379203635292
ripemd-160
ffc66a70eb2543b9a2e5ae477e449ae754f78d46
Diameter
25974590
Circumference
81601581.124007
Area
5.2989190326195E+14
Volume
9.1758166210326E+21
Surface area
2.1195676130478E+15
Circumference
81601581.124007
Perimeter
51949180
Area
168669831417025
Diagonal
18366808.72754
Surface area
1012018988502150
Volume
2.1905648582132E+21
Space diagonal
22494654.792885
Perimeter
38961885
Area
73036179429591
Altitude
11247327.396443
Surface area
73036179429591
Volume
2.5816054431191E+20
Height
6122269.5758468