20971245 (number)

20971245 is an odd 8-digits composite number following 20971244 and preceding 20971246. In scientific notation, it is written as 2.0971245 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 11184656 positive integers (up to 20971245) that are relatively prime to 20971245.

Interesting facts

Basic properties

Name

Name twenty million nine hundred seventy-one thousand two hundred forty-five

Notation

Scientific notation 2.0971245 × 10^7
Engineering notation 2.0971245 × 10^6

Prime Factorization of 20971245

Prime Factorization 3 × 5 × 1398083

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20971245
Product of the distinct prime numbers

The prime factorization of 20971245 is 3 × 5 × 1398083. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20971245)

Multiplication

n×y
n×2 41942490
n×3 62913735
n×4 83884980
n×5 104856225

Division

n÷y
n÷2 10485622.5
n÷3 6990415
n÷3 5242811.25
n÷5 4194249

Exponentiation

ny
n2 439793116850025
n3 9.2230092027755E+21
n4 1.9341798562866E+29
n5 4.0562159640251E+36

Nth Root

y√n
2√n 4579.4371924943
3√n 275.76643493645
4√n 67.671539013785
5√n 29.128950854102

Divisors of 20971245

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 -20971244
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 20971245 can be divided by 8 positive divisors. The sum of these divisors (counting 20971245) is 1, the average is 0.125.

Base conversion 20971245

Base System Value
2 Binary 1001111111111111011101101
3 Ternary 1110110110010210
4 Quaternary 1033333323231
5 Quinary 20332034440
6 Senary 2025253033
8 Octal 117777355
10 Decimal 20971245
12 Duodecimal 7034179
16 Hexadecimal 13ffeed
20 Vigesimal 6b1825
36 Base36 chhil

Cryptographic Hash Functions

md5 64faf3359b230e4b73e33813016e1c9b
sha1 3b8e28687665f2e886016b1c9970874ad107e664
sha256 efbd3891db8908d01104469901e913088912704d8446b60e2f6b7bd15ea4a2be
sha512 f5d6fab3204ecd61a082e6945cc8a199cb158ca0526f34e9cd7dc3bef46bcaa175b7d44464fb3fae61be81b2128330f918410c79fa3b24b0228fcdbf18d50915
ripemd-160 58f66c4be447eca42e3a933b3238c2a6a021a9b6

20971245 as geometric shapes

Circle

Radius = n
Diameter 41942490
Circumference 131766218.45726
Area 1.3816508249954E+15

Sphere

Radius = n
Volume 3.8633250607241E+22
Surface area 5.5266032999816E+15
Circumference 131766218.45726

Square

Length = n
Perimeter 83884980
Area 439793116850025
Diagonal 29657819.098849

Cube

Length = n
Surface area 2638758701100150
Volume 9.2230092027755E+21
Space diagonal 36323261.837975

Equilateral Triangle

Length = n
Perimeter 62913735
Area 1.9043600580083E+14
Altitude 18161630.918987

Triangular Pyramid

Length = n
Surface area 1.9043600580083E+14
Volume 1.0869420583714E+21
Height 9885939.6996163