12644985 is an odd 8-digits composite number following 12644984
and preceding 12644986 . In scientific notation, it is written as 1.2644985 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 6722688 positive integers (up to 12644985) that are relatively prime to 12644985.
12644985 has 16 divisors, whose sum is 20295936
The reverse of 12644985 is 58944621
Previous prime number is 367
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twelve million six hundred forty-four thousand nine hundred eighty-five
Scientific notation
1.2644985 × 10^7
Engineering notation
1.2644985 × 10^6
Prime Factorization
3 × 5 × 367 × 2297
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12644985
Product of the distinct prime numbers
The prime factorization of 12644985 is 3 × 5 × 367 × 2297.
Since it has a total of 4 prime factors.
4 , 8 , 9 , 24 , 93 , 204 , 460 , 5787 , 21287 , 15576 , 645377 , 122831 , 5445271 , 1156260 , 80542647 , 42207697 , 179650414 , 504738225 , 7401729758 , 9740103201
n×2
25289970
n×3
37934955
n×4
50579940
n×5
63224925
n÷2
6322492.5
n÷3
4214995
n÷3
3161246.25
n÷5
2528997
n2
159895645650225
n3
2.0218780408124E+21
n4
2.5566617497902E+28
n5
3.2328949476171E+35
2 √n
3555.9787682156
3 √n
232.97327574526
4 √n
59.632028040438
5 √n
26.325926454893
1 , 3 , 5 , 15 , 367 , 1101 , 1835 , 2297 , 5505 , 6891 , 11485 , 34455 , 842999 , 2528997 , 4214995 , 12644985
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
-12644984
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 12644985 can be divided by 16 positive divisors.
The sum of these divisors (counting 12644985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110000001111001001111001
3
Ternary
212210102122210
4
Quaternary
300033021321
5
Quinary
11214114420
6
Senary
1131005333
8
Octal
60171171
10
Decimal
12644985
12
Duodecimal
4299849
16
Hexadecimal
c0f279
20
Vigesimal
3j0c95
36
Base36
7j0xl
md5
f739eee8bbfc122e4488b88d31a91a30
sha1
e5e2bb4b5f2e291fade9a1b4819c90e8275210c0
sha256
b4d18dd867c9a0d5d74b6e5a7b1d898aecbe47be41688c602e321ade50bef8ff
sha512
771fa2052ac23e487074378acb5ab58a29b8b100e820bbf4adab7f0b8d06587887a7f842f572ea24fb6c884f19ce837b42d16935f0ce8c0abb2d35b389b859b7
ripemd-160
f72122cae4d87cafda4f4bcbd7e4824f66c52198
Diameter
25289970
Circumference
79450783.961506
Area
5.0232698571574E+14
Volume
8.4692229326277E+21
Surface area
2.009307942863E+15
Circumference
79450783.961506
Perimeter
50579940
Area
159895645650225
Diagonal
17882709.283004
Surface area
959373873901350
Volume
2.0218780408124E+21
Space diagonal
21901756.480946
Perimeter
37934955
Area
69236845543805
Altitude
10950878.240473
Surface area
69236845543805
Volume
2.3828061223177E+20
Height
5960903.0943348