12861640 is an even 8-digits composite number following 12861639
and preceding 12861641 . In scientific notation, it is written as 1.2861640 × 10^7.
The sum of its digits is 28. It has a total of 5 prime factors and 16 positive divisors.
There are 4676800 positive integers (up to 12861640) that are relatively prime to 12861640.
12861640 has 16 divisors, whose sum is 24554880
The reverse of 12861640 is 04616821
Previous prime number is 55
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twelve million eight hundred sixty-one thousand six hundred forty
Scientific notation
1.2861640 × 10^7
Engineering notation
1.2861640 × 10^6
Prime Factorization
2 × 2 × 2 × 55 × 29231
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
3215410
Product of the distinct prime numbers
The prime factorization of 12861640 is 2 × 2 × 2 × 55 × 29231.
Since it has a total of 5 prime factors.
4 , 5 , 3 , 2 , 646 , 240 , 7446 , 5645 , 13299 , 94220 , 754462 , 770435 , 5936121 , 1749165 , 98923643 , 60881799 , 683286981 , 602060610 , 1779495223 , 8735884101
n×2
25723280
n×3
38584920
n×4
51446560
n×5
64308200
n÷2
6430820
n÷3
4287213.3333333
n÷3
3215410
n÷5
2572328
n2
165421783489600
n3
2.1275954274012E+21
n4
2.736436645288E+28
n5
3.5195063014502E+35
2 √n
3586.312869787
3 √n
234.29631053177
4 √n
59.885831962051
5 √n
26.41552641804
1 , 2 , 4 , 8 , 55 , 110 , 220 , 440 , 29231 , 58462 , 116924 , 233848 , 1607705 , 3215410 , 6430820 , 12861640
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
-12861639
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 12861640 can be divided by 16 positive divisors.
The sum of these divisors (counting 12861640) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001000100000011001000
3
Ternary
220012102212001
4
Quaternary
301010003020
5
Quinary
11243033030
6
Senary
1135400344
8
Octal
61040310
10
Decimal
12861640
12
Duodecimal
43830b4
16
Hexadecimal
c440c8
20
Vigesimal
407e20
36
Base36
7no3s
md5
7197eee6c724ef62c2f7bde01d72a053
sha1
f9ce109728c46652b5265e4862ab44a86f598bb4
sha256
e3889d66f3cc78c4741ac2ff7d498f5818962992feb670c6058a5786019da6c6
sha512
bb0908de544711d9ec630dffac042a7bb7fe5e02e595577fe0fafc268a0e58743f50426564f6ae177174fed7a8f6c352f0dfb5518c60edbd668891ec487983f1
ripemd-160
037d12610b3edeff862db8d6d8061fb1eb057ba1
Diameter
25723280
Circumference
80812067.474233
Area
5.1968785975465E+14
Volume
8.9120508860464E+21
Surface area
2.0787514390186E+15
Circumference
80812067.474233
Perimeter
51446560
Area
165421783489600
Diagonal
18189105.72236
Surface area
992530700937600
Volume
2.1275954274012E+21
Space diagonal
22277013.94866
Perimeter
38584920
Area
71629733420661
Altitude
11138506.97433
Surface area
71629733420661
Volume
2.5073952572281E+20
Height
6063035.2407868