20131521 (number)

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.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-one thousand five hundred twenty-one

Notation

Scientific notation 2.0131521 × 10^7
Engineering notation 2.0131521 × 10^6

Prime Factorization of 20131521

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.

Most popular turbo-numbers

Basic calculations (n = 20131521)

Multiplication

n×y
n×2 40263042
n×3 60394563
n×4 80526084
n×5 100657605

Division

n÷y
n÷2 10065760.5
n÷3 6710507
n÷3 5032880.25
n÷5 4026304.2

Exponentiation

ny
n2 405278137773441
n3 8.1588653414269E+21
n4 1.6425036895711E+29
n5 3.3066097519178E+36

Nth Root

y√n
2√n 4486.8163546105
3√n 272.03546700864
4√n 66.983702156648
5√n 28.891847755081

Divisors of 20131521

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 conversion 20131521

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

Cryptographic Hash Functions

md5 3a62ec7ce8a7e6197b7aced674181924
sha1 1620411722cb3ab5ef4e93a01f1c5444ded999ef
sha256 055969fd7706a714ad10e45f196e01480d8d659a7d715a584a44b7eb8526207d
sha512 709ff3748f072d09cff165b26b47756bdb20304121b438900e58c325c3acd73bfcf2b2c54713b821ef3e6cdff43f96a551e5d69347a9c3edefcbe5f41c1c5d46
ripemd-160 6cfedcdf4c1e784199ca049092baf7cdff8c1c99

20131521 as geometric shapes

Circle

Radius = n
Diameter 40263042
Circumference 126490076.95838
Area 1.2732188202896E+15

Sphere

Radius = n
Volume 3.417577522434E+22
Surface area 5.0928752811584E+15
Circumference 126490076.95838

Square

Length = n
Perimeter 80526084
Area 405278137773441
Diagonal 28470270.029399

Cube

Length = n
Surface area 2431668826640646
Volume 8.1588653414269E+21
Space diagonal 34868817.20564

Equilateral Triangle

Length = n
Perimeter 60394563
Area 1.7549058145512E+14
Altitude 17434408.60282

Triangular Pyramid

Length = n
Surface area 1.7549058145512E+14
Volume 9.6153150161848E+20
Height 9490090.0097996