20081521 (number)

20081521 is an odd 8-digits composite number following 20081520 and preceding 20081522. In scientific notation, it is written as 2.0081521 × 10^7. The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors. There are 19382160 positive integers (up to 20081521) that are relatively prime to 20081521.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0081521 × 10^7
Engineering notation 2.0081521 × 10^6

Prime Factorization of 20081521

Prime Factorization 31 × 557 × 1163

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20081521
Product of the distinct prime numbers

The prime factorization of 20081521 is 31 × 557 × 1163. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20081521)

Multiplication

n×y
n×2 40163042
n×3 60244563
n×4 80326084
n×5 100407605

Division

n÷y
n÷2 10040760.5
n÷3 6693840.3333333
n÷3 5020380.25
n÷5 4016304.2

Exponentiation

ny
n2 403267485673441
n3 8.0982244821684E+21
n4 1.6262466500138E+29
n5 3.2657506253432E+36

Nth Root

y√n
2√n 4481.2410111486
3√n 271.81006510162
4√n 66.942072055984
5√n 28.877481928626

Divisors of 20081521

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 -20081520
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 20081521 can be divided by 8 positive divisors. The sum of these divisors (counting 20081521) is 1, the average is 0.125.

Base conversion 20081521

Base System Value
2 Binary 1001100100110101101110001
3 Ternary 1101210020200001
4 Quaternary 1030212231301
5 Quinary 20120102041
6 Senary 1554230001
8 Octal 114465561
10 Decimal 20081521
12 Duodecimal 6885301
16 Hexadecimal 1326b71
20 Vigesimal 65a3g1
36 Base36 byf01

Cryptographic Hash Functions

md5 8f85dd5f657a92165e224c15683c0a4a
sha1 72a0efb0a592c86759855c3f1c5c1b0188412312
sha256 58d79b5fe91aa4dc6dd34c4636aebcfe72cc560d5ed9711065b16f99881cafe9
sha512 83c0fcb271d3ea4352d377f26f3377754e0d271c3d6c24b679c1aa365aa480b5d373274a09cd290179398fb8223656c6201cd09ea8953c572adc5671a4085d00
ripemd-160 89bc317d9c4c80989cdb0df53f34829ed35f6280

20081521 as geometric shapes

Circle

Radius = n
Diameter 40163042
Circumference 126175917.69302
Area 1.2669021704233E+15

Sphere

Radius = n
Volume 3.3921763387068E+22
Surface area 5.0676086816932E+15
Circumference 126175917.69302

Square

Length = n
Perimeter 80326084
Area 403267485673441
Diagonal 28399559.35128

Cube

Length = n
Surface area 2419604914040646
Volume 8.0982244821684E+21
Space diagonal 34782214.665261

Equilateral Triangle

Length = n
Perimeter 60244563
Area 1.7461994355674E+14
Altitude 17391107.332631

Triangular Pyramid

Length = n
Surface area 1.7461994355674E+14
Volume 9.543849078187E+20
Height 9466519.78376