12961904 is an even 8-digits composite number following 12961903
and preceding 12961905 . In scientific notation, it is written as 1.2961904 × 10^7.
The sum of its digits is 32. It has a total of 6 prime factors and 20 positive divisors.
There are 6322560 positive integers (up to 12961904) that are relatively prime to 12961904.
12961904 has 20 divisors, whose sum is 25727520
The reverse of 12961904 is 40916921
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twelve million nine hundred sixty-one thousand nine hundred four
Scientific notation
1.2961904 × 10^7
Engineering notation
1.2961904 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 41 × 19759
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1620238
Product of the distinct prime numbers
The prime factorization of 12961904 is 2 × 2 × 2 × 2 × 41 × 19759.
Since it has a total of 6 prime factors.
4 , 10 , 6 , 46 , 311 , 784 , 7277 , 6550 , 54332 , 613 , 759216 , 377141 , 8346802 , 9908177 , 40598535 , 1177728 , 886742573 , 770733391 , 5829192257 , 7786189545
n×2
25923808
n×3
38885712
n×4
51847616
n×5
64809520
n÷2
6480952
n÷3
4320634.6666667
n÷3
3240476
n÷5
2592380.8
n2
168010955305216
n3
2.1777418736145E+21
n4
2.8227681102571E+28
n5
3.6588449259414E+35
2 √n
3600.2644347325
3 √n
234.90356085129
4 √n
60.002203582306
5 √n
26.456583484416
1 , 2 , 4 , 8 , 16 , 41 , 82 , 164 , 328 , 656 , 19759 , 39518 , 79036 , 158072 , 316144 , 810119 , 1620238 , 3240476 , 6480952 , 12961904
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12961903
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12961904 can be divided by 20 positive divisors.
The sum of these divisors (counting 12961904) is 1, the average is 0.05.
Base
System
Value
2
Binary
110001011100100001110000
3
Ternary
220101112101112
4
Quaternary
301130201300
5
Quinary
11304240104
6
Senary
1141452452
8
Octal
61344160
10
Decimal
12961904
12
Duodecimal
4411128
16
Hexadecimal
c5c870
20
Vigesimal
4104f4
36
Base36
7ptgw
md5
facebeea2039f08fdb999b147b9b0a6d
sha1
b0a9433c62d9471b5bfac144306e28ed03c5cc29
sha256
c5ab776aa469ce1ac442977494b3edcaeae1c2ca3c82986999b81b3d966e2ac3
sha512
2ea7a3e25fd536f3ada611e5154696345308dc8f2c7a29bb20f8b93be5c4ebcbec0221d62dcd80db167230e7dfd3d2320b4ddd81565cecb555fdc65adadd1578
ripemd-160
4c0dd012f9de9a24805bfca3778f1666c3c5cc68
Diameter
25923808
Circumference
81442044.765872
Area
5.2782198290947E+14
Volume
9.1221038287496E+21
Surface area
2.1112879316379E+15
Circumference
81442044.765872
Perimeter
51847616
Area
168010955305216
Diagonal
18330900.430978
Surface area
1008065731831296
Volume
2.1777418736145E+21
Space diagonal
22450676.29083
Perimeter
38885712
Area
72750877704204
Altitude
11225338.145415
Surface area
72750877704204
Volume
2.5664934108445E+20
Height
6110300.1436594