20212521 is an odd 8-digits composite number following 20212520
and preceding 20212522 . In scientific notation, it is written as 2.0212521 × 10^7.
The sum of its digits is 15. It has a total of 4 prime factors and 16 positive divisors.
There are 11525904 positive integers (up to 20212521) that are relatively prime to 20212521.
20212521 has 16 divisors, whose sum is 30864384
The reverse of 20212521 is 12521202
Previous prime number is 1223
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 15
Digital Root 6
Name
twenty million two hundred twelve thousand five hundred twenty-one
Scientific notation
2.0212521 × 10^7
Engineering notation
2.0212521 × 10^6
Prime Factorization
3 × 7 × 1223 × 787
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20212521
Product of the distinct prime numbers
The prime factorization of 20212521 is 3 × 7 × 1223 × 787.
Since it has a total of 4 prime factors.
7 , 6 , 82 , 12 , 115 , 770 , 5580 , 7652 , 80455 , 35542 , 636353 , 796355 , 3697011 , 6164023 , 8083936 , 581073 , 324080792 , 345029533 , 4288275751 , 4942564548
n×2
40425042
n×3
60637563
n×4
80850084
n×5
101062605
n÷2
10106260.5
n÷3
6737507
n÷3
5053130.25
n÷5
4042504.2
n2
408546005175441
n3
8.2577447090747E+21
n4
1.6690983834481E+29
n5
3.3736686126511E+36
2 √n
4495.833738029
3 √n
272.39982738943
4 √n
67.050978650792
5 √n
28.915059933785
1 , 3 , 7 , 21 , 787 , 1223 , 2361 , 3669 , 5509 , 8561 , 16527 , 25683 , 962501 , 2887503 , 6737507 , 20212521
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
-20212520
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 20212521 can be divided by 16 positive divisors.
The sum of these divisors (counting 20212521) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000110101100101001
3
Ternary
1102000220100220
4
Quaternary
1031012230221
5
Quinary
20133300041
6
Senary
2001120253
8
Octal
115065451
10
Decimal
20212521
12
Duodecimal
6929089
16
Hexadecimal
1346b29
20
Vigesimal
666b61
36
Base36
c182x
md5
14f169e90d52b946ec90fc5332777c51
sha1
a888bbdaea708194d2fbe335db6630465aaed315
sha256
19e1970f0b9ba6b392acc72df392fe7580133de8865d60f658fb83fff8ad1ad0
sha512
0c8c101ebf3df7f706d73901dae3cfaed50eaafec55226e96f961f73de29598d7773522a0343d581a61bcef382614d39c9ce479cf3dcd383deafc32d22a3c0b9
ripemd-160
d4ff5e8210188692537e298be72ce8db43e825d3
Diameter
40425042
Circumference
126999014.96826
Area
1.2834851285126E+15
Volume
3.4589960150999E+22
Surface area
5.1339405140505E+15
Circumference
126999014.96826
Perimeter
80850084
Area
408546005175441
Diagonal
28584821.327951
Surface area
2451276031052646
Volume
8.2577447090747E+21
Space diagonal
35009113.321053
Perimeter
60637563
Area
1.7690560954829E+14
Altitude
17504556.660526
Surface area
1.7690560954829E+14
Volume
9.7318454684901E+20
Height
9528273.7759837