12961921 is an odd 8-digits composite number following 12961920
and preceding 12961922 . In scientific notation, it is written as 1.2961921 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 11110176 positive integers (up to 12961921) that are relatively prime to 12961921.
12961921 has 4 divisors, whose sum is 13226500
The reverse of 12961921 is 12916921
Previous prime number is 49
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twelve million nine hundred sixty-one thousand nine hundred twenty-one
Scientific notation
1.2961921 × 10^7
Engineering notation
1.2961921 × 10^6
Prime Factorization
49 × 264529
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12961921
Product of the distinct prime numbers
The prime factorization of 12961921 is 49 × 264529.
Since it has a total of 2 prime factors.
10 , 1 , 97 , 61 , 238 , 235 , 4706 , 4730 , 12406 , 34569 , 835366 , 312671 , 2113252 , 445313 , 3240256 , 96753293 , 568640685 , 724755024 , 9806972490 , 3440457537
n×2
25923842
n×3
38885763
n×4
51847684
n×5
64809605
n÷2
6480960.5
n÷3
4320640.3333333
n÷3
3240480.25
n÷5
2592384.2
n2
168011396010241
n3
2.1777504421845E+21
n4
2.822782918931E+28
n5
3.6588689195333E+35
2 √n
3600.2667956695
3 √n
234.90366354605
4 √n
60.002223256055
5 √n
26.456590424163
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
-12961920
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 12961921 can be divided by 4 positive divisors.
The sum of these divisors (counting 12961921) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001011100100010000001
3
Ternary
220101112102011
4
Quaternary
301130202001
5
Quinary
11304240141
6
Senary
1141452521
8
Octal
61344201
10
Decimal
12961921
12
Duodecimal
4411141
16
Hexadecimal
c5c881
20
Vigesimal
4104g1
36
Base36
7pthd
md5
9e82dc8bafdcd69cf8056e32f2edfad8
sha1
17db96edf9091f63e85ebfbe6f17328a426dd954
sha256
8cf9ddebc1c67d36e574bdc87976382880f3d12f8ac42db1c04e57caea2b2809
sha512
eee619ce0534d03ac840cfe59bae1a13cad4fa9290476018d4c72cd810b0bae598b971494e18adead2ed1c074d1078bdddd0e676a3d541244b7fdc340e939929
ripemd-160
d937326d2860de9bf7b5b3006d12a57d7525d509
Diameter
25923842
Circumference
81442151.580023
Area
5.2782336742514E+14
Volume
9.1221397206915E+21
Surface area
2.1112934697006E+15
Circumference
81442151.580023
Perimeter
51847684
Area
168011396010241
Diagonal
18330924.472609
Surface area
1008068376061446
Volume
2.1777504421845E+21
Space diagonal
22450705.735694
Perimeter
38885763
Area
72751068535078
Altitude
11225352.867847
Surface area
72751068535078
Volume
2.5665035090011E+20
Height
6110308.1575362