12691245 is an odd 8-digits composite number following 12691244
and preceding 12691246 . In scientific notation, it is written as 1.2691245 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 5604480 positive integers (up to 12691245) that are relatively prime to 12691245.
12691245 has 16 divisors, whose sum is 15141888
The reverse of 12691245 is 54219621
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twelve million six hundred ninety-one thousand two hundred forty-five
Scientific notation
1.2691245 × 10^7
Engineering notation
1.2691245 × 10^6
Prime Factorization
105 × 7 × 31 × 557
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12691245
Product of the distinct prime numbers
The prime factorization of 12691245 is 105 × 7 × 31 × 557.
Since it has a total of 4 prime factors.
5 , 1 , 38 , 65 , 184 , 957 , 3819 , 8331 , 13596 , 92604 , 917748 , 566806 , 9424655 , 8639637 , 79889859 , 6163225 , 368561447 , 973158555 , 2448025251 , 6402728997
n×2
25382490
n×3
38073735
n×4
50764980
n×5
63456225
n÷2
6345622.5
n÷3
4230415
n÷3
3172811.25
n÷5
2538249
n2
161067699650025
n3
2.0441496378449E+21
n4
2.5942803870551E+28
n5
3.2924647990811E+35
2 √n
3562.4773683492
3 √n
233.25703060639
4 √n
59.686492344157
5 √n
26.345160311494
1 , 7 , 31 , 105 , 217 , 557 , 735 , 3255 , 3899 , 17267 , 22785 , 58485 , 120869 , 409395 , 1813035 , 12691245
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
-12691244
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 12691245 can be divided by 16 positive divisors.
The sum of these divisors (counting 12691245) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110000011010011100101101
3
Ternary
212212210010010
4
Quaternary
300122130231
5
Quinary
11222104440
6
Senary
1132003433
8
Octal
60323455
10
Decimal
12691245
12
Duodecimal
4300579
16
Hexadecimal
c1a72d
20
Vigesimal
3j6825
36
Base36
7k0ml
md5
a9dd7d02fcc027bd8ab6d196e3457666
sha1
3b8b16fb410f65cf093a7508810efe9fd0caf579
sha256
586a0fe74c9650ee68f135fd833bc86473bc8187dbc89b89771789ddf4c8cd97
sha512
48ac94f39a7c4d618912c857add4b5ff2d1c7f22ff36a439208f310ae3655c9a47b5dc3c6b02fcab9841fd11af8ad65534e518cf17266ccb875acfa04a5a68b0
ripemd-160
2fce36c3a72edaf2293074f7f1e80e1f467f1915
Diameter
25382490
Circumference
79741444.113816
Area
5.0600910195113E+14
Volume
8.5625139801223E+21
Surface area
2.0240364078045E+15
Circumference
79741444.113816
Perimeter
50764980
Area
161067699650025
Diagonal
17948130.8024
Surface area
966406197900150
Volume
2.0441496378449E+21
Space diagonal
21981881.151304
Perimeter
38073735
Area
69744359813022
Altitude
10990940.575652
Surface area
69744359813022
Volume
2.4090534511336E+20
Height
5982710.2674666