12539905 is an odd 8-digits composite number following 12539904
and preceding 12539906 . In scientific notation, it is written as 1.2539905 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 8024832 positive integers (up to 12539905) that are relatively prime to 12539905.
12539905 has 16 divisors, whose sum is 13780800
The reverse of 12539905 is 50993521
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twelve million five hundred thirty-nine thousand nine hundred five
Scientific notation
1.2539905 × 10^7
Engineering notation
1.2539905 × 10^6
Prime Factorization
35 × 19 × 109 × 173
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12539905
Product of the distinct prime numbers
The prime factorization of 12539905 is 35 × 19 × 109 × 173.
Since it has a total of 4 prime factors.
6 , 4 , 3 , 40 , 635 , 741 , 2968 , 3624 , 3863 , 95193 , 371688 , 196116 , 2670 , 2728521 , 62255984 , 68896248 , 607956183 , 519992407 , 4425857188 , 9077247400
n×2
25079810
n×3
37619715
n×4
50159620
n×5
62699525
n÷2
6269952.5
n÷3
4179968.3333333
n÷3
3134976.25
n÷5
2507981
n2
157249217409025
n3
1.9718902476335E+21
n4
2.4727316375751E+28
n5
3.1007819825686E+35
2 √n
3541.1728283155
3 √n
232.32614281356
4 √n
59.5077543545
5 √n
26.282026525256
1 , 19 , 35 , 109 , 173 , 665 , 2071 , 3287 , 3815 , 6055 , 18857 , 72485 , 115045 , 358283 , 659995 , 12539905
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
-12539904
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 12539905 can be divided by 16 positive divisors.
The sum of these divisors (counting 12539905) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101111110101100000000001
3
Ternary
212121002111221
4
Quaternary
233311200001
5
Quinary
11202234110
6
Senary
1124435041
8
Octal
57654001
10
Decimal
12539905
12
Duodecimal
4248a81
16
Hexadecimal
bf5801
20
Vigesimal
3i79f5
36
Base36
7grup
md5
f3533ccb0f8f66773043ceebf2dbd49c
sha1
7795887648866ed01d773bc9ef663f783803273c
sha256
18c8bcf2d89adcbe49447484e5357b21ae67c722e1df49c5f0225ea4a02744ca
sha512
57dd206cccb5f2b7ff1e2dd39b874d4a1b923ac5bf70b3a49c1090cc77472e1cdac18518e9ebec6c6015a4aae451220deefac64ede5e171ca5479b333073af46
ripemd-160
31d9688081f37c6c0a46537a51d49ae1e79485fd
Diameter
25079810
Circumference
78790546.849428
Area
4.9401298619494E+14
Volume
8.2598345542011E+21
Surface area
1.9760519447797E+15
Circumference
78790546.849428
Perimeter
50159620
Area
157249217409025
Diagonal
17734103.72187
Surface area
943495304454150
Volume
1.9718902476335E+21
Space diagonal
21719752.582087
Perimeter
37619715
Area
68090908500719
Altitude
10859876.291044
Surface area
68090908500719
Volume
2.3238949430955E+20
Height
5911367.9072901