12691851 is an odd 8-digits composite number following 12691850
and preceding 12691852 . In scientific notation, it is written as 1.2691851 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 8149248 positive integers (up to 12691851) that are relatively prime to 12691851.
12691851 has 16 divisors, whose sum is 17556000
The reverse of 12691851 is 15819621
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twelve million six hundred ninety-one thousand eight hundred fifty-one
Scientific notation
1.2691851 × 10^7
Engineering notation
1.2691851 × 10^6
Prime Factorization
3 × 37 × 109 × 1049
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12691851
Product of the distinct prime numbers
The prime factorization of 12691851 is 3 × 37 × 109 × 1049.
Since it has a total of 4 prime factors.
3 , 9 , 12 , 41 , 298 , 180 , 6835 , 6188 , 60456 , 83668 , 99472 , 847094 , 1160444 , 5266181 , 38905765 , 35030239 , 94903146 , 466567429 , 6779937139 , 534365913
n×2
25383702
n×3
38075553
n×4
50767404
n×5
63459255
n÷2
6345925.5
n÷3
4230617
n÷3
3172962.75
n÷5
2538370.2
n2
161083081806201
n3
2.0444424729051E+21
n4
2.5947759244183E+28
n5
3.2932509411105E+35
2 √n
3562.5624205058
3 √n
233.26074317913
4 √n
59.687204830732
5 √n
26.345411900084
1 , 3 , 37 , 109 , 111 , 327 , 1049 , 3147 , 4033 , 12099 , 38813 , 114341 , 116439 , 343023 , 4230617 , 12691851
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
-12691850
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 12691851 can be divided by 16 positive divisors.
The sum of these divisors (counting 12691851) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110000011010100110001011
3
Ternary
212212210221120
4
Quaternary
300122212023
5
Quinary
11222114401
6
Senary
1132010323
8
Octal
60324613
10
Decimal
12691851
12
Duodecimal
43009a3
16
Hexadecimal
c1a98b
20
Vigesimal
3j69cb
36
Base36
7k13f
md5
e50d190d11b4510fb38628507953ea41
sha1
c2e89190eb146e7bbf63f8200a9b837fd4db4c9e
sha256
029e51e37aa41826995f2b8a98cd794032e8d2518d87ec9423a568016f0444e5
sha512
790466f58fc5e143f83154e56ea112806d04d7c4181c635a88d2324781b124b427860351c729ebc1226955f3c3a98f386056df365bc44023ee7aa6cee4789d7c
ripemd-160
908c034157a67728a1079a01d9b4df091a8f2a4c
Diameter
25383702
Circumference
79745251.724113
Area
5.0605742641996E+14
Volume
8.5637406047542E+21
Surface area
2.0242297056799E+15
Circumference
79745251.724113
Perimeter
50767404
Area
161083081806201
Diagonal
17948987.815819
Surface area
966498490837206
Volume
2.0444424729051E+21
Space diagonal
21982930.774094
Perimeter
38075553
Area
69751020482028
Altitude
10991465.387047
Surface area
69751020482028
Volume
2.4093985605617E+20
Height
5982995.9386062