20212445 is an odd 8-digits composite number following 20212444
and preceding 20212446 . In scientific notation, it is written as 2.0212445 × 10^7.
The sum of its digits is 20. It has a total of 4 prime factors and 12 positive divisors.
There are 14699520 positive integers (up to 20212445) that are relatively prime to 20212445.
20212445 has 12 divisors, whose sum is 26661180
The reverse of 20212445 is 54421202
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million two hundred twelve thousand four hundred forty-five
Scientific notation
2.0212445 × 10^7
Engineering notation
2.0212445 × 10^6
Prime Factorization
5 × 11 × 11 × 33409
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1837495
Product of the distinct prime numbers
The prime factorization of 20212445 is 5 × 11 × 11 × 33409.
Since it has a total of 4 prime factors.
1 , 10 , 56 , 80 , 886 , 271 , 2492 , 884 , 81378 , 30680 , 223549 , 353396 , 9107281 , 524077 , 72593920 , 44292432 , 540995910 , 504331917 , 1984504696 , 4872261627
n×2
40424890
n×3
60637335
n×4
80849780
n×5
101062225
n÷2
10106222.5
n÷3
6737481.6666667
n÷3
5053111.25
n÷5
4042489
n2
408542932878025
n3
8.2576515609358E+21
n4
1.6690732800458E+29
n5
3.3736051873895E+36
2 √n
4495.8252857512
3 √n
272.39948597708
4 √n
67.05091562202
5 √n
28.915038189364
1 , 5 , 11 , 55 , 121 , 605 , 33409 , 167045 , 367499 , 1837495 , 4042489 , 20212445
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20212444
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20212445 can be divided by 12 positive divisors.
The sum of these divisors (counting 20212445) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101000110101011011101
3
Ternary
1102000220021002
4
Quaternary
1031012223131
5
Quinary
20133244240
6
Senary
2001120045
8
Octal
115065335
10
Decimal
20212445
12
Duodecimal
6929025
16
Hexadecimal
1346add
20
Vigesimal
666b25
36
Base36
c180t
md5
143faae120c9ec15fd2980c335eb970e
sha1
54bc4bb25021d6a07baa7d0acd94c7edda2749f0
sha256
e6fd6a8d96887e65d7b2c73a34039d9133968c6b342deefa8143a96a0489f583
sha512
10b3998ce4b8282208eeb81ca9b81fc6cc0ad1f761d96ee0537ba67474db3c0a2dc67a7a0a4ae7b287edac98e3ec82afa067f9c0464b27848309f7cffd946ff2
ripemd-160
129ca627cefd3f84ca8a03426f3879c1923ef3a6
Diameter
40424890
Circumference
126998537.44618
Area
1.2834754766056E+15
Volume
3.4589569972987E+22
Surface area
5.1339019064225E+15
Circumference
126998537.44618
Perimeter
80849780
Area
408542932878025
Diagonal
28584713.84772
Surface area
2451257597268150
Volume
8.2576515609358E+21
Space diagonal
35008981.685192
Perimeter
60637335
Area
1.7690427920449E+14
Altitude
17504490.842596
Surface area
1.7690427920449E+14
Volume
9.7317356923556E+20
Height
9528237.9492401