12972945 is an odd 8-digits composite number following 12972944
and preceding 12972946 . In scientific notation, it is written as 1.2972945 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 6849600 positive integers (up to 12972945) that are relatively prime to 12972945.
12972945 has 16 divisors, whose sum is 20964672
The reverse of 12972945 is 54927921
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twelve million nine hundred seventy-two thousand nine hundred forty-five
Scientific notation
1.2972945 × 10^7
Engineering notation
1.2972945 × 10^6
Prime Factorization
3 × 5 × 101 × 8563
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12972945
Product of the distinct prime numbers
The prime factorization of 12972945 is 3 × 5 × 101 × 8563.
Since it has a total of 4 prime factors.
2 , 3 , 46 , 60 , 772 , 666 , 9611 , 7693 , 41216 , 8282 , 700889 , 112601 , 1561494 , 9913698 , 45614637 , 55124943 , 718372753 , 497958523 , 689211074 , 6581036084
n×2
25945890
n×3
38918835
n×4
51891780
n×5
64864725
n÷2
6486472.5
n÷3
4324315
n÷3
3243236.25
n÷5
2594589
n2
168297301973025
n3
2.1833116421444E+21
n4
2.83239818514E+28
n5
3.674454587392E+35
2 √n
3601.7974679318
3 √n
234.97023917672
4 √n
60.01497703017
5 √n
26.461089113556
1 , 3 , 5 , 15 , 101 , 303 , 505 , 1515 , 8563 , 25689 , 42815 , 128445 , 864863 , 2594589 , 4324315 , 12972945
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
-12972944
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 12972945 can be divided by 16 positive divisors.
The sum of these divisors (counting 12972945) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001011111001110010001
3
Ternary
220102002112110
4
Quaternary
301133032101
5
Quinary
11310113240
6
Senary
1142015533
8
Octal
61371621
10
Decimal
12972945
12
Duodecimal
44175a9
16
Hexadecimal
c5f391
20
Vigesimal
411c75
36
Base36
7q1zl
md5
474938675f01cd6e757a7a9d643e0132
sha1
35fb17d2af3f90f69cb7cb2e5e469bb08c93807d
sha256
659ec79854e314989a287348a4c73af254f1b3fd9af60a3a7f83346a34e92252
sha512
abed94c1d7acade00d865bb51398d9195cb855a852df219a786bf7eeb20b5979f4b50c2a3e45bdf449df667298ce16af5d32669eb5853432d457234f023ec026
ripemd-160
6ade28d0838b74ae406f5b02e9e0a1ba1fdb9da9
Diameter
25945890
Circumference
81511417.414849
Area
5.2872156749744E+14
Volume
9.1454344206107E+21
Surface area
2.1148862699898E+15
Circumference
81511417.414849
Perimeter
51891780
Area
168297301973025
Diagonal
18346514.76292
Surface area
1009783811838150
Volume
2.1833116421444E+21
Space diagonal
22469799.863797
Perimeter
38918835
Area
72874869448510
Altitude
11234899.931898
Surface area
72874869448510
Volume
2.5730574460065E+20
Height
6115504.9209734