20997615 (number)

20997615 is an odd 8-digits composite number following 20997614 and preceding 20997616. In scientific notation, it is written as 2.0997615 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 11172000 positive integers (up to 20997615) that are relatively prime to 20997615.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety-seven thousand six hundred fifteen

Notation

Scientific notation 2.0997615 × 10^7
Engineering notation 2.0997615 × 10^6

Prime Factorization of 20997615

Prime Factorization 5 × 3 × 491 × 2851

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20997615
Product of the distinct prime numbers

The prime factorization of 20997615 is 5 × 3 × 491 × 2851. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 10, 56, 62, 869, 381, 590, 6947, 15056, 55368, 480134, 682068, 5738882, 5756326, 75765287, 36558015, 247043807, 312963033, 1450540132, 8899733915

Basic calculations (n = 20997615)

Multiplication

n×y
n×2 41995230
n×3 62992845
n×4 83990460
n×5 104988075

Division

n÷y
n÷2 10498807.5
n÷3 6999205
n÷3 5249403.75
n÷5 4199523

Exponentiation

ny
n2 440899835688225
n3 9.2578450033446E+21
n4 1.943926651099E+29
n5 4.0817823408017E+36

Nth Root

y√n
2√n 4582.3154627328
3√n 275.88197274402
4√n 67.692802148624
5√n 29.136272731037

Divisors of 20997615

1, 3, 5, 15, 491, 1473, 2455, 2851, 7365, 8553, 14255, 42765, 1399841, 4199523, 6999205, 20997615

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 -20997614
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 20997615 can be divided by 16 positive divisors. The sum of these divisors (counting 20997615) is 1, the average is 0.0625.

Base conversion 20997615

Base System Value
2 Binary 1010000000110010111101111
3 Ternary 1110111210022110
4 Quaternary 1100012113233
5 Quinary 20333410430
6 Senary 2030015103
8 Octal 120062757
10 Decimal 20997615
12 Duodecimal 7047493
16 Hexadecimal 14065ef
20 Vigesimal 6b4e0f
36 Base36 ci1v3

Cryptographic Hash Functions

md5 76b99f1a173a722f3e5aa87c7b46e9ee
sha1 c8678acc419f9b3ec759f12cdce03389c56a0e6b
sha256 c63566626ecdb98f8112590ca4ee6465bd50b4f7770d51a206ab4270f6665c88
sha512 3907218254e4011456fa26a6933182f4b133e7fbbd1f3b2b2c39876228a09c40b4de1fa91db3aa04e1b03a1e2c1895304a73d7b4f0f7f027a895760d21e2526d
ripemd-160 558150d2c83bd6c7368c6e3bf5ff7905b25454e9

20997615 as geometric shapes

Circle

Radius = n
Diameter 41995230
Circumference 131931906.05381
Area 1.3851276847671E+15

Sphere

Radius = n
Volume 3.8779170467441E+22
Surface area 5.5405107390683E+15
Circumference 131931906.05381

Square

Length = n
Perimeter 83990460
Area 440899835688225
Diagonal 29695111.910489

Cube

Length = n
Surface area 2645399014129350
Volume 9.2578450033446E+21
Space diagonal 36368936.01777

Equilateral Triangle

Length = n
Perimeter 62992845
Area 1.9091522911519E+14
Altitude 18184468.008885

Triangular Pyramid

Length = n
Surface area 1.9091522911519E+14
Volume 1.0910474968398E+21
Height 9898370.6368296