20121515 (number)

20121515 is an odd 8-digits composite number following 20121514 and preceding 20121516. In scientific notation, it is written as 2.0121515 × 10^7. The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors. There are 16097208 positive integers (up to 20121515) that are relatively prime to 20121515.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0121515 × 10^7
Engineering notation 2.0121515 × 10^6

Prime Factorization of 20121515

Prime Factorization 5 × 4024303

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20121515
Product of the distinct prime numbers

The prime factorization of 20121515 is 5 × 4024303. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121515)

Multiplication

n×y
n×2 40243030
n×3 60364545
n×4 80486060
n×5 100607575

Division

n÷y
n÷2 10060757.5
n÷3 6707171.6666667
n÷3 5030378.75
n÷5 4024303

Exponentiation

ny
n2 404875365895225
n3 8.1467057479913E+21
n4 1.6392406190879E+29
n5 3.2984004705587E+36

Nth Root

y√n
2√n 4485.7011715004
3√n 271.99038947445
4√n 66.97537735243
5√n 28.888975152252

Divisors of 20121515

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20121514
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121515 can be divided by 4 positive divisors. The sum of these divisors (counting 20121515) is 1, the average is 0.25.

Base conversion 20121515

Base System Value
2 Binary 1001100110000011110101011
3 Ternary 1101212021112022
4 Quaternary 1030300132223
5 Quinary 20122342030
6 Senary 1555135055
8 Octal 114603653
10 Decimal 20121515
12 Duodecimal 68a448b
16 Hexadecimal 13307ab
20 Vigesimal 65f3ff
36 Base36 bz9uz

Cryptographic Hash Functions

md5 2e50c8e9acbd27cac340a5e683b0abaf
sha1 2290f642d4441f4cda42b202ab6305e22f69122f
sha256 c14db6f346c93d061d11dabed45637c44c8a3e920b3d11e2f13fd3f0a68f2c01
sha512 7ad51eb5238a681a1f6967469fed4f53caacdf824fd4310dfde1c4c6edc14cf01e6b53edd5417af3eb908fd93fe628b8301131a4435ea74ce35de3a5377f0c60
ripemd-160 f1299f75e2d0714c07d9a9041224a4d49e6d2057

20121515 as geometric shapes

Circle

Radius = n
Diameter 40243030
Circumference 126427207.40619
Area 1.2719534751159E+15

Sphere

Radius = n
Volume 3.4124841238463E+22
Surface area 5.0878139004637E+15
Circumference 126427207.40619

Square

Length = n
Perimeter 80486060
Area 404875365895225
Diagonal 28456119.408494

Cube

Length = n
Surface area 2429252195371350
Volume 8.1467057479913E+21
Space diagonal 34851486.305259

Equilateral Triangle

Length = n
Perimeter 60364545
Area 1.7531617611589E+14
Altitude 17425743.15263

Triangular Pyramid

Length = n
Surface area 1.7531617611589E+14
Volume 9.6009847978934E+20
Height 9485373.1361646