20118749 is an odd 8-digits composite number following 20118748
and preceding 20118750 . In scientific notation, it is written as 2.0118749 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 17244636 positive integers (up to 20118749) that are relatively prime to 20118749.
20118749 has 4 divisors, whose sum is 22992864
The reverse of 20118749 is 94781102
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million one hundred eighteen thousand seven hundred forty-nine
Scientific notation
2.0118749 × 10^7
Engineering notation
2.0118749 × 10^6
Prime Factorization
7 × 2874107
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20118749
Product of the distinct prime numbers
The prime factorization of 20118749 is 7 × 2874107.
Since it has a total of 2 prime factors.
3 , 9 , 70 , 87 , 168 , 303 , 8825 , 8279 , 56765 , 16440 , 129812 , 68377 , 4277255 , 9495525 , 45131300 , 23957426 , 902974851 , 641436355 , 793251309 , 7763678576
n×2
40237498
n×3
60356247
n×4
80474996
n×5
100593745
n÷2
10059374.5
n÷3
6706249.6666667
n÷3
5029687.25
n÷5
4023749.8
n2
404764061325001
n3
8.1433465540183E+21
n4
1.6383394534031E+29
n5
3.2961340239814E+36
2 √n
4485.3928479008
3 √n
271.97792586866
4 √n
66.973075544586
5 √n
28.888180865148
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
-20118748
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 20118749 can be divided by 4 positive divisors.
The sum of these divisors (counting 20118749) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100101111110011011101
3
Ternary
1101212010201212
4
Quaternary
1030233303131
5
Quinary
20122244444
6
Senary
1555114205
8
Octal
114576335
10
Decimal
20118749
12
Duodecimal
68a2965
16
Hexadecimal
132fcdd
20
Vigesimal
65egh9
36
Base36
bz7q5
md5
7ed13c1a9107cb9170ca410936f4c31c
sha1
b318bd7c406c3352c55d73b9655e9032206626ea
sha256
436bf55eb38c275f21d3716633d93f2be3b9f64217b13e2ef724bdb5828aa1e6
sha512
069c7e98ad6bc651995fc27c7eaf04b1011843ced2551362de22916c8dd719b5fc8cd13bea6b454cc1eeadb395019630fb63d7bf78672fe7da2f79696a4a3d77
ripemd-160
2c6e5772b83b89b7f24d985fc7664f39ce597449
Diameter
40237498
Circumference
126409828.11563
Area
1.2716038014958E+15
Volume
3.4110770279653E+22
Surface area
5.0864152059832E+15
Circumference
126409828.11563
Perimeter
80474996
Area
404764061325001
Diagonal
28452207.69378
Surface area
2428584367950006
Volume
8.1433465540183E+21
Space diagonal
34846695.452726
Perimeter
60356247
Area
1.7526797982321E+14
Altitude
17423347.726363
Surface area
1.7526797982321E+14
Volume
9.5970259498307E+20
Height
9484069.23126