12912605 is an odd 8-digits composite number following 12912604
and preceding 12912606 . In scientific notation, it is written as 1.2912605 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 9584640 positive integers (up to 12912605) that are relatively prime to 12912605.
12912605 has 16 divisors, whose sum is 16639344
The reverse of 12912605 is 50621921
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twelve million nine hundred twelve thousand six hundred five
Scientific notation
1.2912605 × 10^7
Engineering notation
1.2912605 × 10^6
Prime Factorization
5 × 17 × 73 × 2081
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12912605
Product of the distinct prime numbers
The prime factorization of 12912605 is 5 × 17 × 73 × 2081.
Since it has a total of 4 prime factors.
2 , 8 , 98 , 100 , 288 , 444 , 9451 , 8953 , 76699 , 17979 , 248308 , 690708 , 1267384 , 877203 , 44803108 , 22324916 , 205372651 , 602916934 , 6567002884 , 5202139033
n×2
25825210
n×3
38737815
n×4
51650420
n×5
64563025
n÷2
6456302.5
n÷3
4304201.6666667
n÷3
3228151.25
n÷5
2582521
n2
166735367886025
n3
2.1529879450419E+21
n4
2.7800682904088E+28
n5
3.5897923707074E+35
2 √n
3593.4113318684
3 √n
234.6053736038
4 √n
59.945069287376
5 √n
26.436427928237
1 , 5 , 17 , 73 , 85 , 365 , 1241 , 2081 , 6205 , 10405 , 35377 , 151913 , 176885 , 759565 , 2582521 , 12912605
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
-12912604
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 12912605 can be divided by 16 positive divisors.
The sum of these divisors (counting 12912605) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001010000011111011101
3
Ternary
220022000202122
4
Quaternary
301100133131
5
Quinary
11301200410
6
Senary
1140432325
8
Octal
61203735
10
Decimal
12912605
12
Duodecimal
43a86a5
16
Hexadecimal
c507dd
20
Vigesimal
40e1a5
36
Base36
7orfh
md5
c0525855fbe8cbbe9441f3ac34e0357a
sha1
c092ada4cde7c7875221448a1596aedd91678828
sha256
0406f14fc767e3c14ad3504ca081465f8e07ef87a9c149bba6ae3a63ed96418d
sha512
f1e763420f5e3c066f3e716aa25655c830c71f0d6986533819e3e4c7f8b02260264c4f34755aeb230257f054e2d8495d88ed4629deed3749ac46dbaa1e1e55d0
ripemd-160
9a45c83780f00d08017d576c2753f8905f77d6dd
Diameter
25825210
Circumference
81132290.013414
Area
5.2381460684433E+14
Volume
9.0184148152148E+21
Surface area
2.0952584273773E+15
Circumference
81132290.013414
Perimeter
51650420
Area
166735367886025
Diagonal
18261181.116567
Surface area
1000412207316150
Volume
2.1529879450419E+21
Space diagonal
22365287.918068
Perimeter
38737815
Area
72198532149321
Altitude
11182643.959034
Surface area
72198532149321
Volume
2.5373206262534E+20
Height
6087060.3721889