12812961 is an odd 8-digits composite number following 12812960
and preceding 12812962 . In scientific notation, it is written as 1.2812961 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 7240800 positive integers (up to 12812961) that are relatively prime to 12812961.
12812961 has 24 divisors, whose sum is 20093184
The reverse of 12812961 is 16921821
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twelve million eight hundred twelve thousand nine hundred sixty-one
Scientific notation
1.2812961 × 10^7
Engineering notation
1.2812961 × 10^6
Prime Factorization
3 × 7 × 7 × 101 × 863
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1830423
Product of the distinct prime numbers
The prime factorization of 12812961 is 3 × 7 × 7 × 101 × 863.
Since it has a total of 5 prime factors.
3 , 7 , 71 , 67 , 161 , 971 , 2336 , 341 , 91553 , 73631 , 947299 , 139204 , 4348635 , 600552 , 18934213 , 6835935 , 498073423 , 319570701 , 9404684129 , 2442392840
n×2
25625922
n×3
38438883
n×4
51251844
n×5
64064805
n÷2
6406480.5
n÷3
4270987
n÷3
3203240.25
n÷5
2562592.2
n2
164171969587521
n3
2.1035290436181E+21
n4
2.6952435598246E+28
n5
3.4534050617534E+35
2 √n
3579.5196605131
3 √n
234.00034699342
4 √n
59.829087077383
5 √n
26.3955004715
1 , 3 , 7 , 21 , 49 , 101 , 147 , 303 , 707 , 863 , 2121 , 2589 , 4949 , 6041 , 14847 , 18123 , 42287 , 87163 , 126861 , 261489 , 610141 , 1830423 , 4270987 , 12812961
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12812960
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12812961 can be divided by 24 positive divisors.
The sum of these divisors (counting 12812961) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
110000111000001010100001
3
Ternary
220002222002010
4
Quaternary
300320022201
5
Quinary
11240003321
6
Senary
1134343133
8
Octal
60701241
10
Decimal
12812961
12
Duodecimal
435aaa9
16
Hexadecimal
c382a1
20
Vigesimal
401c81
36
Base36
7mmjl
md5
ed14aa87f25639e45505112497303c54
sha1
3f50faf145f61de7692b1d800f8bf254b76e55c2
sha256
fe5c6efa9b6ae02795eaa9733ed89c91e7ac2b21a7f0934eba8024f5ffbfa033
sha512
4a99b99cc586887957b5dc393defe5ef72d8efccfce1291cd34be1dde4c1d1ffafa465504110d140f335767ab1f55a9c81f54a7501ae0d87e8ffeda1cb926283
ripemd-160
3a287c75528631281e1818d2ca447da8e87f8d25
Diameter
25625922
Circumference
80506208.296665
Area
5.1576145358152E+14
Volume
8.8112418533911E+21
Surface area
2.0630458143261E+15
Circumference
80506208.296665
Perimeter
51251844
Area
164171969587521
Diagonal
18120263.220358
Surface area
985031817525126
Volume
2.1035290436181E+21
Space diagonal
22192699.447399
Perimeter
38438883
Area
71088548126060
Altitude
11096349.723699
Surface area
71088548126060
Volume
2.479032751942E+20
Height
6040087.7401192