20121800 is an even 8-digits composite number following 20121799
and preceding 20121801 . In scientific notation, it is written as 2.0121800 × 10^7.
The sum of its digits is 14. It has a total of 5 prime factors and 16 positive divisors.
There are 8048640 positive integers (up to 20121800) that are relatively prime to 20121800.
20121800 has 16 divisors, whose sum is 39237900
The reverse of 20121800 is 00812102
Previous prime number is 25
Is Prime? no
Number parity even
Number length 8
Sum of Digits 14
Digital Root 5
Name
twenty million one hundred twenty-one thousand eight hundred
Scientific notation
2.0121800 × 10^7
Engineering notation
2.0121800 × 10^6
Prime Factorization
2 × 2 × 2 × 25 × 100609
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5030450
Product of the distinct prime numbers
The prime factorization of 20121800 is 2 × 2 × 2 × 25 × 100609.
Since it has a total of 5 prime factors.
4 , 9 , 73 , 71 , 478 , 50 , 3387 , 7485 , 79650 , 85678 , 68325 , 114990 , 674622 , 5729684 , 11599356 , 41640556 , 300817086 , 65038463 , 4930137576 , 7443802944
n×2
40243600
n×3
60365400
n×4
80487200
n×5
100609000
n÷2
10060900
n÷3
6707266.6666667
n÷3
5030450
n÷5
4024360
n2
404886835240000
n3
8.1470519213322E+21
n4
1.6393334935066E+29
n5
3.2986340689642E+36
2 √n
4485.7329389967
3 √n
271.99167362055
4 √n
66.975614510034
5 √n
28.889056988151
1 , 2 , 4 , 8 , 25 , 50 , 100 , 200 , 100609 , 201218 , 402436 , 804872 , 2515225 , 5030450 , 10060900 , 20121800
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
-20121799
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 20121800 can be divided by 16 positive divisors.
The sum of these divisors (counting 20121800) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110000100011001000
3
Ternary
1101212021220212
4
Quaternary
1030300203020
5
Quinary
20122344200
6
Senary
1555140252
8
Octal
114604310
10
Decimal
20121800
12
Duodecimal
68a4688
16
Hexadecimal
13308c8
20
Vigesimal
65f4a0
36
Base36
bza2w
md5
e12b30ffb3626dc30a54593b16b8adf1
sha1
c98eca085b4ddbaeda28e0df8ec7d414a66a0f34
sha256
d63000436f59bb460365be93017441cee4f0529ed53c1b4128f7a1961a57019a
sha512
8d1d013ad771b8bbcd84b4c97e2095609e976ee8dce8cf608ff846e09e9835d550c2702675188ee046191d8dbdce924decff9a0ece03921f97cf0cd2dc7dc704
ripemd-160
60287c1a556c49eaf53609d5cae08d330832010e
Diameter
40243600
Circumference
126428998.11401
Area
1.2719895071252E+15
Volume
3.4126291285963E+22
Surface area
5.0879580285008E+15
Circumference
126428998.11401
Perimeter
80487200
Area
404886835240000
Diagonal
28456522.459359
Surface area
2429321011440000
Volume
8.1470519213322E+21
Space diagonal
34851979.939739
Perimeter
60365400
Area
1.7532114248786E+14
Altitude
17425989.96987
Surface area
1.7532114248786E+14
Volume
9.6013927670882E+20
Height
9485507.486453