12912405 is an odd 8-digits composite number following 12912404
and preceding 12912406 . In scientific notation, it is written as 1.2912405 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 6204480 positive integers (up to 12912405) that are relatively prime to 12912405.
12912405 has 16 divisors, whose sum is 15160320
The reverse of 12912405 is 50421921
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twelve million nine hundred twelve thousand four hundred five
Scientific notation
1.2912405 × 10^7
Engineering notation
1.2912405 × 10^6
Prime Factorization
15 × 11 × 139 × 563
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12912405
Product of the distinct prime numbers
The prime factorization of 12912405 is 15 × 11 × 139 × 563.
Since it has a total of 4 prime factors.
3 , 5 , 13 , 97 , 895 , 187 , 1939 , 9713 , 1447 , 75837 , 559658 , 141077 , 8743176 , 192228 , 77152451 , 20556148 , 468139149 , 483955479 , 1736758611 , 8762246950
n×2
25824810
n×3
38737215
n×4
51649620
n×5
64562025
n÷2
6456202.5
n÷3
4304135
n÷3
3228101.25
n÷5
2582481
n2
166730202884025
n3
2.1528879053707E+21
n4
2.7798960553748E+28
n5
3.5895143724902E+35
2 √n
3593.3835030511
3 √n
234.60416235023
4 √n
59.944837167609
5 √n
26.43634603433
1 , 11 , 15 , 139 , 165 , 563 , 1529 , 2085 , 6193 , 8445 , 22935 , 78257 , 92895 , 860827 , 1173855 , 12912405
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
-12912404
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 12912405 can be divided by 16 positive divisors.
The sum of these divisors (counting 12912405) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001010000011100010101
3
Ternary
220022000111020
4
Quaternary
301100130111
5
Quinary
11301144110
6
Senary
1140431353
8
Octal
61203425
10
Decimal
12912405
12
Duodecimal
43a8559
16
Hexadecimal
c50715
20
Vigesimal
40e105
36
Base36
7or9x
md5
0fa5c97c45c0ab4c161c855a3754ecb1
sha1
dc4ccbe68693df9ed17819cc1f3b7bc13a372da9
sha256
911e514a093a18c5ac546603178b82fafb75b6a8c9632b2c26930138a9555f2e
sha512
bbfa151ff08d8ce08bff8ed64d3595c70a62b9fca6794c74f2ff916e1bf7be7fbb142fa4fc9c705643f4b9e388faa268639948cdef94336999b83bc986ce1706
ripemd-160
4a9df2ec3834088fb9093fa27feb00c99c4818ca
Diameter
25824810
Circumference
81131033.376352
Area
5.2379838051199E+14
Volume
9.0179957700199E+21
Surface area
2.095193522048E+15
Circumference
81131033.376352
Perimeter
51649620
Area
166730202884025
Diagonal
18260898.273854
Surface area
1000381217304150
Volume
2.1528879053707E+21
Space diagonal
22364941.507906
Perimeter
38737215
Area
72196295637850
Altitude
11182470.753953
Surface area
72196295637850
Volume
2.5372027283702E+20
Height
6086966.0912847