20131521 is an odd 8-digits composite number following 20131520
and preceding 20131522 . In scientific notation, it is written as 2.0131521 × 10^7.
The sum of its digits is 15. It has a total of 3 prime factors and 8 positive divisors.
There are 13409232 positive integers (up to 20131521) that are relatively prime to 20131521.
20131521 has 8 divisors, whose sum is 26865600
The reverse of 20131521 is 12513102
Previous prime number is 1543
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 15
Digital Root 6
Name
twenty million one hundred thirty-one thousand five hundred twenty-one
Scientific notation
2.0131521 × 10^7
Engineering notation
2.0131521 × 10^6
Prime Factorization
3 × 1543 × 4349
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20131521
Product of the distinct prime numbers
The prime factorization of 20131521 is 3 × 1543 × 4349.
Since it has a total of 3 prime factors.
5 , 3 , 29 , 77 , 331 , 863 , 6844 , 9692 , 53016 , 75751 , 63385 , 215121 , 9880737 , 641957 , 5821805 , 13920864 , 597673815 , 585161242 , 8656460932 , 8801428195
n×2
40263042
n×3
60394563
n×4
80526084
n×5
100657605
n÷2
10065760.5
n÷3
6710507
n÷3
5032880.25
n÷5
4026304.2
n2
405278137773441
n3
8.1588653414269E+21
n4
1.6425036895711E+29
n5
3.3066097519178E+36
2 √n
4486.8163546105
3 √n
272.03546700864
4 √n
66.983702156648
5 √n
28.891847755081
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20131520
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20131521 can be divided by 8 positive divisors.
The sum of these divisors (counting 20131521) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110010111011000001
3
Ternary
1101212210020220
4
Quaternary
1030302323001
5
Quinary
20123202041
6
Senary
1555253253
8
Octal
114627301
10
Decimal
20131521
12
Duodecimal
68aa229
16
Hexadecimal
1332ec1
20
Vigesimal
65g8g1
36
Base36
bzhkx
md5
3a62ec7ce8a7e6197b7aced674181924
sha1
1620411722cb3ab5ef4e93a01f1c5444ded999ef
sha256
055969fd7706a714ad10e45f196e01480d8d659a7d715a584a44b7eb8526207d
sha512
709ff3748f072d09cff165b26b47756bdb20304121b438900e58c325c3acd73bfcf2b2c54713b821ef3e6cdff43f96a551e5d69347a9c3edefcbe5f41c1c5d46
ripemd-160
6cfedcdf4c1e784199ca049092baf7cdff8c1c99
Diameter
40263042
Circumference
126490076.95838
Area
1.2732188202896E+15
Volume
3.417577522434E+22
Surface area
5.0928752811584E+15
Circumference
126490076.95838
Perimeter
80526084
Area
405278137773441
Diagonal
28470270.029399
Surface area
2431668826640646
Volume
8.1588653414269E+21
Space diagonal
34868817.20564
Perimeter
60394563
Area
1.7549058145512E+14
Altitude
17434408.60282
Surface area
1.7549058145512E+14
Volume
9.6153150161848E+20
Height
9490090.0097996