18449961 is an odd 8-digits composite number following 18449960
and preceding 18449962 . In scientific notation, it is written as 1.8449961 × 10^7.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 12299972 positive integers (up to 18449961) that are relatively prime to 18449961.
18449961 has 4 divisors, whose sum is 24599952
The reverse of 18449961 is 16994481
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighteen million four hundred forty-nine thousand nine hundred sixty-one
Scientific notation
1.8449961 × 10^7
Engineering notation
1.8449961 × 10^6
Prime Factorization
3 × 6149987
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18449961
Product of the distinct prime numbers
The prime factorization of 18449961 is 3 × 6149987.
Since it has a total of 2 prime factors.
8 , 2 , 4 , 82 , 818 , 709 , 1765 , 4110 , 24836 , 48345 , 664718 , 420473 , 9728863 , 5251568 , 14274181 , 45666869 , 831533174 , 525720173 , 3780195124 , 7519293260
n×2
36899922
n×3
55349883
n×4
73799844
n×5
92249805
n÷2
9224980.5
n÷3
6149987
n÷3
4612490.25
n÷5
3689992.2
n2
340401060901521
n3
6.2803862979917E+21
n4
1.1587288226288E+29
n5
2.1378501587077E+36
2 √n
4295.3417791836
3 √n
264.23995343914
4 √n
65.538857017678
5 √n
28.392202934853
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
-18449960
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 18449961 can be divided by 4 positive divisors.
The sum of these divisors (counting 18449961) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000110011000011000101001
3
Ternary
1021201100120220
4
Quaternary
1012120120221
5
Quinary
14210344321
6
Senary
1455240253
8
Octal
106303051
10
Decimal
18449961
12
Duodecimal
6219089
16
Hexadecimal
1198629
20
Vigesimal
5f64i1
36
Base36
azg2x
md5
0c01a88ccc4a7dfe03b12e9dda6d1721
sha1
cfac1926e46210d3b10727f5c9b95c881cecd75c
sha256
2da0afdc2f4566d205e3ce3ef79429964c2dd94d6d4c04772e6fdb9d624f03c6
sha512
4b7ce856bd22d9bc6e91328202c0bcec8d359781c376bab06b71aa09e16fad37a3345a0d8ff4d8a5dbd138c8938f4232948f3e491bd744b3f9efaac7aa51f06d
ripemd-160
dd044921729c940b907dc1e60070238f6c6dc620
Diameter
36899922
Circumference
115924523.87324
Area
1.0694014722024E+15
Volume
2.6307220607302E+22
Surface area
4.2776058888096E+15
Circumference
115924523.87324
Perimeter
73799844
Area
340401060901521
Diagonal
26092185.071455
Surface area
2042406365409126
Volume
6.2803862979917E+21
Space diagonal
31956269.849664
Perimeter
55349883
Area
1.4739798310795E+14
Altitude
15978134.924832
Surface area
1.4739798310795E+14
Volume
7.4015062329683E+20
Height
8697395.0238182