12781379 is an odd 8-digits composite number following 12781378
and preceding 12781380 . In scientific notation, it is written as 1.2781379 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 11664576 positive integers (up to 12781379) that are relatively prime to 12781379.
12781379 has 8 divisors, whose sum is 13920480
The reverse of 12781379 is 97318721
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twelve million seven hundred eighty-one thousand three hundred seventy-nine
Scientific notation
1.2781379 × 10^7
Engineering notation
1.2781379 × 10^6
Prime Factorization
13 × 89 × 11047
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12781379
Product of the distinct prime numbers
The prime factorization of 12781379 is 13 × 89 × 11047.
Since it has a total of 3 prime factors.
3 , 7 , 83 , 24 , 815 , 559 , 1557 , 4308 , 58774 , 56197 , 764628 , 781502 , 6390231 , 2722540 , 90773120 , 34287274 , 625268007 , 655017774 , 5292878845 , 8050823147
n×2
25562758
n×3
38344137
n×4
51125516
n×5
63906895
n÷2
6390689.5
n÷3
4260459.6666667
n÷3
3195344.75
n÷5
2556275.8
n2
163363649141641
n3
2.0880127145023E+21
n4
2.6687681860873E+28
n5
3.4110537649525E+35
2 √n
3575.1054529902
3 √n
233.80793039296
4 √n
59.792185551209
5 √n
26.382475444502
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
-12781378
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 12781379 can be divided by 8 positive divisors.
The sum of these divisors (counting 12781379) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000110000011101000011
3
Ternary
220001100202102
4
Quaternary
300300131003
5
Quinary
11233001004
6
Senary
1133541015
8
Octal
60603503
10
Decimal
12781379
12
Duodecimal
434476b
16
Hexadecimal
c30743
20
Vigesimal
3jhd8j
36
Base36
7ly6b
md5
3ddb60f0dad32fe0a42d06ec75c3af5e
sha1
ac6c625abc477df09440b7cc90a66028ab6b707a
sha256
9632d3c1f5db39d5d188f7c0876a6085c7c5e45a377c89bff9c2d9c719823f1b
sha512
76899c27db23e428435a3ea3c0f1f0b7b7371ab8c69c9dd4d3f13b4c6e867f45ebfa119b63b169ceaaf6b5f15be14768103cfe6baaeed26ea8f701bfd4d559dd
ripemd-160
f7d92808b5da3e268b88dbe6d8d47752cb57ac29
Diameter
25562758
Circumference
80307772.738294
Area
5.13222040007E+14
Volume
8.7462472059768E+21
Surface area
2.052888160028E+15
Circumference
80307772.738294
Perimeter
51125516
Area
163363649141641
Diagonal
18075599.527631
Surface area
980181894849846
Volume
2.0880127145023E+21
Space diagonal
22137997.818794
Perimeter
38344137
Area
70738535105794
Altitude
11068998.909397
Surface area
70738535105794
Volume
2.4607465827139E+20
Height
6025199.8425436