12492781 is an odd 8-digits composite number following 12492780
and preceding 12492782 . In scientific notation, it is written as 1.2492781 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 10708092 positive integers (up to 12492781) that are relatively prime to 12492781.
12492781 has 4 divisors, whose sum is 14277472
The reverse of 12492781 is 18729421
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twelve million four hundred ninety-two thousand seven hundred eighty-one
Scientific notation
1.2492781 × 10^7
Engineering notation
1.2492781 × 10^6
Prime Factorization
7 × 1784683
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12492781
Product of the distinct prime numbers
The prime factorization of 12492781 is 7 × 1784683.
Since it has a total of 2 prime factors.
9 , 4 , 9 , 79 , 981 , 390 , 623 , 9140 , 38221 , 80676 , 287641 , 903475 , 5630031 , 5388016 , 60927518 , 46214598 , 232007793 , 285487047 , 2302539296 , 4373910588
n×2
24985562
n×3
37478343
n×4
49971124
n×5
62463905
n÷2
6246390.5
n÷3
4164260.3333333
n÷3
3123195.25
n÷5
2498556.2
n2
156069577113961
n3
1.9497430476473E+21
n4
2.4357712900531E+28
n5
3.042955729272E+35
2 √n
3534.5128377189
3 √n
232.03475623757
4 √n
59.451769004117
5 √n
26.2622435983
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
-12492780
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 12492781 can be divided by 4 positive divisors.
The sum of these divisors (counting 12492781) is 1, the average is 0.25.
Base
System
Value
2
Binary
101111101001111111101101
3
Ternary
212111200212121
4
Quaternary
233221333231
5
Quinary
11144232111
6
Senary
1123432541
8
Octal
57517755
10
Decimal
12492781
12
Duodecimal
4225751
16
Hexadecimal
be9fed
20
Vigesimal
3i1bj1
36
Base36
7frhp
md5
f2176c305657cc960a25ceb5685ae1e1
sha1
5791ef61043c78bf78fe385aee2cefcd912b4b56
sha256
4f175d270849afd03ea56d5e27264f92bfe1ca960a8e63eec77117ad60ca93d4
sha512
e5b40a48ea050311ba197057fbfb21f71e04fef4faac3665a360f361523b371eb1d3b589204e65ddab93b73a71da612249855f84576efdbd22f1dd9b7a324225
ripemd-160
36c1a0f6639953a5fd6e93c3ee622278fd0d40b7
Diameter
24985562
Circumference
78494458.025012
Area
4.9030703691009E+14
Volume
8.1670645798355E+21
Surface area
1.9612281476403E+15
Circumference
78494458.025012
Perimeter
49971124
Area
156069577113961
Diagonal
17667460.321957
Surface area
936417462683766
Volume
1.9497430476473E+21
Space diagonal
21638131.419831
Perimeter
37478343
Area
67580109269292
Altitude
10819065.709916
Surface area
67580109269292
Volume
2.2977942176046E+20
Height
5889153.4406523