12778961 is an odd 8-digits composite number following 12778960
and preceding 12778962 . In scientific notation, it is written as 1.2778961 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 11119680 positive integers (up to 12778961) that are relatively prime to 12778961.
12778961 has 16 divisors, whose sum is 14568960
The reverse of 12778961 is 16987721
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twelve million seven hundred seventy-eight thousand nine hundred sixty-one
Scientific notation
1.2778961 × 10^7
Engineering notation
1.2778961 × 10^6
Prime Factorization
23 × 13 × 79 × 541
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12778961
Product of the distinct prime numbers
The prime factorization of 12778961 is 23 × 13 × 79 × 541.
Since it has a total of 4 prime factors.
6 , 3 , 66 , 77 , 692 , 1 , 2381 , 3042 , 45109 , 75427 , 855881 , 414839 , 5588274 , 5660245 , 80154987 , 64402423 , 981004964 , 655441252 , 7735401541 , 7720758444
n×2
25557922
n×3
38336883
n×4
51115844
n×5
63894805
n÷2
6389480.5
n÷3
4259653.6666667
n÷3
3194740.25
n÷5
2555792.2
n2
163301844239521
n3
2.0868278987649E+21
n4
2.6667492332029E+28
n5
3.4078284447879E+35
2 √n
3574.7672651517
3 √n
233.79318542085
4 √n
59.789357457257
5 √n
26.381477153886
1 , 13 , 23 , 79 , 299 , 541 , 1027 , 1817 , 7033 , 12443 , 23621 , 42739 , 161759 , 555607 , 982997 , 12778961
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
-12778960
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 12778961 can be divided by 16 positive divisors.
The sum of these divisors (counting 12778961) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110000101111110111010001
3
Ternary
220001020102212
4
Quaternary
300233313101
5
Quinary
11232411321
6
Senary
1133521505
8
Octal
60576721
10
Decimal
12778961
12
Duodecimal
4343295
16
Hexadecimal
c2fdd1
20
Vigesimal
3jh781
36
Base36
7lwb5
md5
365654206d3c9a5713559400c8e5766d
sha1
30d44ebd8b63a654a1bce18a76aa61635e24b09c
sha256
c40f1f91b0091b37122fce068a1582260dc61f93c0bf9b7f16e99535abd523bc
sha512
d7d192f389822124eaee100b2640f2fb04a4aedd9032f3ef53ecc88a72913a3b035230ede03192a1959da388842dc412df1c39c59ed6895219d6fa1a39909866
ripemd-160
812a0ea376f6866d5fcd028cc9f183c9a3a66e0a
Diameter
25557922
Circumference
80292579.996221
Area
5.1302787418054E+14
Volume
8.7412842614214E+21
Surface area
2.0521114967222E+15
Circumference
80292579.996221
Perimeter
51115844
Area
163301844239521
Diagonal
18072179.959237
Surface area
979811065437126
Volume
2.0868278987649E+21
Space diagonal
22133809.719941
Perimeter
38336883
Area
70711772798137
Altitude
11066904.859971
Surface area
70711772798137
Volume
2.4593502639766E+20
Height
6024059.9864123