20971515 (number)

20971515 is an odd 8-digits composite number following 20971514 and preceding 20971516. In scientific notation, it is written as 2.0971515 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 10562816 positive integers (up to 20971515) that are relatively prime to 20971515.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0971515 × 10^7
Engineering notation 2.0971515 × 10^6

Prime Factorization of 20971515

Prime Factorization 15 × 23 × 683 × 89

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20971515
Product of the distinct prime numbers

The prime factorization of 20971515 is 15 × 23 × 683 × 89. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 4, 26, 45, 101, 298, 5234, 9408, 17041, 53071, 591306, 640605, 8346581, 1398884, 68159362, 9110282, 309228654, 408618515, 1743720318, 1628734757

Basic calculations (n = 20971515)

Multiplication

n×y
n×2 41943030
n×3 62914545
n×4 83886060
n×5 104857575

Division

n÷y
n÷2 10485757.5
n÷3 6990505
n÷3 5242878.75
n÷5 4194303

Exponentiation

ny
n2 439804441395225
n3 9.2233654397866E+21
n4 1.9342794667097E+29
n5 4.0564770850294E+36

Nth Root

y√n
2√n 4579.4666720045
3√n 275.76761840804
4√n 67.671756826644
5√n 29.129025859437

Divisors of 20971515

1, 15, 23, 89, 345, 683, 1335, 2047, 10245, 15709, 30705, 60787, 235635, 911805, 1398101, 20971515

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 -20971514
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 20971515 can be divided by 16 positive divisors. The sum of these divisors (counting 20971515) is 1, the average is 0.0625.

Base conversion 20971515

Base System Value
2 Binary 1001111111111111111111011
3 Ternary 1110110110111210
4 Quaternary 1033333333323
5 Quinary 20332042030
6 Senary 2025254203
8 Octal 117777773
10 Decimal 20971515
12 Duodecimal 7034363
16 Hexadecimal 13ffffb
20 Vigesimal 6b18ff
36 Base36 chhq3

Cryptographic Hash Functions

md5 6d4613562fa8fbd7243eb70bcfbc2676
sha1 c4165f88dd6869df1194a05116ccaf54147d1ff6
sha256 59b0392850593530083adb53f8b781fd8ab570989b4f2ddbf1c8d67578b0339f
sha512 db460e7f2068b13e7bb0505d14c8735f9c9f9f74c172138630e9e5062e620a9a5918589f7cddfc4e8f7340c3fab559344a0523208abea6b67d0398ebff8ad1af
ripemd-160 3080a7e393184aaf5b4871e6752eeba5380ccb22

20971515 as geometric shapes

Circle

Radius = n
Diameter 41943030
Circumference 131767914.9173
Area 1.3816864021034E+15

Sphere

Radius = n
Volume 3.8634742809343E+22
Surface area 5.5267456084136E+15
Circumference 131767914.9173

Square

Length = n
Perimeter 83886060
Area 439804441395225
Diagonal 29658200.936511

Cube

Length = n
Surface area 2638826648371350
Volume 9.2233654397866E+21
Space diagonal 36323729.491693

Equilateral Triangle

Length = n
Perimeter 62914545
Area 1.9044090947274E+14
Altitude 18161864.745846

Triangular Pyramid

Length = n
Surface area 1.9044090947274E+14
Volume 1.0869840413058E+21
Height 9886066.9788369