20997656 (number)

20997656 is an even 8-digits composite number following 20997655 and preceding 20997657. In scientific notation, it is written as 2.0997656 × 10^7. The sum of its digits is 44. It has a total of 5 prime factors and 16 positive divisors. There are 10456000 positive integers (up to 20997656) that are relatively prime to 20997656.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0997656 × 10^7
Engineering notation 2.0997656 × 10^6

Prime Factorization of 20997656

Prime Factorization 2 × 2 × 2 × 251 × 10457

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5249414
Product of the distinct prime numbers

The prime factorization of 20997656 is 2 × 2 × 2 × 251 × 10457. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 1, 67, 22, 432, 383, 7504, 5153, 56860, 53513, 406692, 898157, 1656482, 4084036, 34889414, 47675012, 147447508, 975542210, 5900205988, 6596295223

Basic calculations (n = 20997656)

Multiplication

n×y
n×2 41995312
n×3 62992968
n×4 83990624
n×5 104988280

Division

n÷y
n÷2 10498828
n÷3 6999218.6666667
n÷3 5249414
n÷5 4199531.2

Exponentiation

ny
n2 440901557494336
n3 9.2578992341303E+21
n4 1.9439418340093E+29
n5 4.0818221914537E+36

Nth Root

y√n
2√n 4582.3199364514
3√n 275.88215230653
4√n 67.692835192887
5√n 29.136284109341

Divisors of 20997656

1, 2, 4, 8, 251, 502, 1004, 2008, 10457, 20914, 41828, 83656, 2624707, 5249414, 10498828, 20997656

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 -20997655
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 20997656 can be divided by 16 positive divisors. The sum of these divisors (counting 20997656) is 1, the average is 0.0625.

Base conversion 20997656

Base System Value
2 Binary 1010000000110011000011000
3 Ternary 1110111210100222
4 Quaternary 1100012120120
5 Quinary 20333411111
6 Senary 2030015212
8 Octal 120063030
10 Decimal 20997656
12 Duodecimal 7047508
16 Hexadecimal 1406618
20 Vigesimal 6b4e2g
36 Base36 ci1w8

Cryptographic Hash Functions

md5 99a7e8c6b41f411964e00c6f33c632fa
sha1 b7390aa0a3aabe3d2aae57c0c360e3a2c8961073
sha256 967f4b3da64d34bd6b5e14ae884809483c5f372fa5fb54dd2b2449118c2ee094
sha512 0ee969282823d35089c6d67fc4211ecb16b2ae453766c95442e6972086447205a40fbc59f97da091f438abbb19c405d2d675ceec63230c4b58ccf6720bb36f29
ripemd-160 2fa77058055747ee65e0e5faa953e1a612e4fe45

20997656 as geometric shapes

Circle

Radius = n
Diameter 41995312
Circumference 131932163.66441
Area 1.3851330939805E+15

Sphere

Radius = n
Volume 3.8779397628824E+22
Surface area 5.540532375922E+15
Circumference 131932163.66441

Square

Length = n
Perimeter 83990624
Area 440901557494336
Diagonal 29695169.893245

Cube

Length = n
Surface area 2645409344966016
Volume 9.2578992341303E+21
Space diagonal 36369007.031853

Equilateral Triangle

Length = n
Perimeter 62992968
Area 1.9091597467911E+14
Altitude 18184503.515927

Triangular Pyramid

Length = n
Surface area 1.9091597467911E+14
Volume 1.0910538879992E+21
Height 9898389.9644149