12999905 is an odd 8-digits composite number following 12999904
and preceding 12999906 . In scientific notation, it is written as 1.2999905 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 10399920 positive integers (up to 12999905) that are relatively prime to 12999905.
12999905 has 4 divisors, whose sum is 15599892
The reverse of 12999905 is 50999921
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twelve million nine hundred ninety-nine thousand nine hundred five
Scientific notation
1.2999905 × 10^7
Engineering notation
1.2999905 × 10^6
Prime Factorization
5 × 2599981
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12999905
Product of the distinct prime numbers
The prime factorization of 12999905 is 5 × 2599981.
Since it has a total of 2 prime factors.
7 , 1 , 20 , 21 , 840 , 953 , 9482 , 7605 , 3034 , 98542 , 545812 , 877356 , 4995196 , 9487897 , 56433508 , 52527559 , 127905201 , 700397858 , 1482766146 , 9239324850
n×2
25999810
n×3
38999715
n×4
51999620
n×5
64999525
n÷2
6499952.5
n÷3
4333301.6666667
n÷3
3249976.25
n÷5
2599981
n2
168997530009025
n3
2.196951835352E+21
n4
2.8560165149151E+28
n5
3.7127943372328E+35
2 √n
3605.5381013103
3 √n
235.13289600967
4 √n
60.046133108721
5 √n
26.472078116924
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12999904
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12999905 can be divided by 4 positive divisors.
The sum of these divisors (counting 12999905) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001100101110011100001
3
Ternary
220110110111222
4
Quaternary
301211303201
5
Quinary
11311444110
6
Senary
1142344425
8
Octal
61456341
10
Decimal
12999905
12
Duodecimal
442b115
16
Hexadecimal
c65ce1
20
Vigesimal
414jf5
36
Base36
7qmsh
md5
ec43ef80c2efdf825edded8c11ae7ec2
sha1
a81c9106cc1bd9ca6ef4d54309e7e556068b5a15
sha256
5105859dff027face89d0c43f51a3790c9e4e3e7a76a915d94e196bb6fd353b7
sha512
735705f9d4553799c846118328dd0f448172ec35ac7343798fdb3cac070a17e3e4496c3733415b10441f0da64e6c4cfbd9f4f748309c46fb4e5526fc010ae00d
ripemd-160
9a929b7207368db3263bdacbeae8eed2c7f8b523
Diameter
25999810
Circumference
81680812.09073
Area
5.3092139875117E+14
Volume
9.2025703283098E+21
Surface area
2.1236855950047E+15
Circumference
81680812.09073
Perimeter
51999620
Area
168997530009025
Diagonal
18384641.960562
Surface area
1013985180054150
Volume
2.196951835352E+21
Space diagonal
22516495.953569
Perimeter
38999715
Area
73178077082319
Altitude
11258247.976784
Surface area
73178077082319
Volume
2.5891325678627E+20
Height
6128213.9868539