12831905 is an odd 8-digits composite number following 12831904
and preceding 12831906 . In scientific notation, it is written as 1.2831905 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 10252656 positive integers (up to 12831905) that are relatively prime to 12831905.
12831905 has 8 divisors, whose sum is 15417600
The reverse of 12831905 is 50913821
Previous prime number is 1759
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twelve million eight hundred thirty-one thousand nine hundred five
Scientific notation
1.2831905 × 10^7
Engineering notation
1.2831905 × 10^6
Prime Factorization
5 × 1759 × 1459
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12831905
Product of the distinct prime numbers
The prime factorization of 12831905 is 5 × 1759 × 1459.
Since it has a total of 3 prime factors.
7 , 9 , 1 , 42 , 59 , 737 , 4322 , 5903 , 15305 , 29946 , 845466 , 507856 , 6036147 , 7906023 , 94069982 , 40436059 , 872324279 , 387806222 , 8674936247 , 6408801681
n×2
25663810
n×3
38495715
n×4
51327620
n×5
64159525
n÷2
6415952.5
n÷3
4277301.6666667
n÷3
3207976.25
n÷5
2566381
n2
164657785929025
n3
2.1128730665516E+21
n4
2.7112186467049E+28
n5
3.4790100108745E+35
2 √n
3582.1648482447
3 √n
234.11561360197
4 √n
59.851189196579
5 √n
26.403301024408
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12831904
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12831905 can be divided by 8 positive divisors.
The sum of these divisors (counting 12831905) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000111100110010100001
3
Ternary
220010221001202
4
Quaternary
300330302201
5
Quinary
11241110110
6
Senary
1135010545
8
Octal
60746241
10
Decimal
12831905
12
Duodecimal
4369a55
16
Hexadecimal
c3cca1
20
Vigesimal
403jf5
36
Base36
7n15t
md5
053cb515d0333ae03db491bc3229676a
sha1
41c6f7efd0a3fa84cd3e8a26d34569bc4a53b545
sha256
79aca833c4336ce74e57ea682e5958762bd90656c76e6eddcef3c9dd9b68fc3e
sha512
5aedbae4cf64de4d3f5a8eb20cf1cb88325033733e7435761b9a661f40a7a0c82f624404c729016401ed619ee886c77c0135a03a6da082564bffb6b0b1fa7f4c
ripemd-160
3b21ea0b752d6e75eeb8f0c326c1d390b50724a8
Diameter
25663810
Circumference
80625236.959124
Area
5.1728769063099E+14
Volume
8.8503820051283E+21
Surface area
2.0691507625239E+15
Circumference
80625236.959124
Perimeter
51327620
Area
164657785929025
Diagonal
18147054.082083
Surface area
987946715574150
Volume
2.1128730665516E+21
Space diagonal
22225511.417897
Perimeter
38495715
Area
71298912772718
Altitude
11112755.708949
Surface area
71298912772718
Volume
2.4900447885751E+20
Height
6049018.027361