20912984 (number)

20912984 is an even 8-digits composite number following 20912983 and preceding 20912985. In scientific notation, it is written as 2.0912984 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 8 positive divisors. There are 10456488 positive integers (up to 20912984) that are relatively prime to 20912984.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twelve thousand nine hundred eighty-four

Notation

Scientific notation 2.0912984 × 10^7
Engineering notation 2.0912984 × 10^6

Prime Factorization of 20912984

Prime Factorization 2 × 2 × 2 × 2614123

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 5228246
Product of the distinct prime numbers

The prime factorization of 20912984 is 2 × 2 × 2 × 2614123. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20912984)

Multiplication

n×y
n×2 41825968
n×3 62738952
n×4 83651936
n×5 104564920

Division

n÷y
n÷2 10456492
n÷3 6970994.6666667
n÷3 5228246
n÷5 4182596.8

Exponentiation

ny
n2 437352899784256
n3 9.1463541955417E+21
n4 1.912775589497E+29
n5 4.0001845298741E+36

Nth Root

y√n
2√n 4573.0716154462
3√n 275.51082573569
4√n 67.624489761079
5√n 29.112747993033

Divisors of 20912984

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 -20912983
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 20912984 can be divided by 8 positive divisors. The sum of these divisors (counting 20912984) is 1, the average is 0.125.

Base conversion 20912984

Base System Value
2 Binary 1001111110001101101011000
3 Ternary 1110100111012222
4 Quaternary 1033301231120
5 Quinary 20323203414
6 Senary 2024123212
8 Octal 117615530
10 Decimal 20912984
12 Duodecimal 7006508
16 Hexadecimal 13f1b58
20 Vigesimal 6ae294
36 Base36 cg8k8

Cryptographic Hash Functions

md5 86daa641c7922f4f3819cdc1ba2e815e
sha1 4d50595c929598eca3cf8254cd9846c8c4422a2a
sha256 6aa32617f3b384e24956b8f8d2eceba82cd87c556c4a498ce812e19efc0cdd30
sha512 8e808dc3821880af1e06aa05d45275235f9689a5cfe9305dba86b5b5da703dad631d66c5fde5a1019b0e072c739d899411ae51f377a169cf05ee0aa26e68c467
ripemd-160 16eb1193c30328fdfbef5d9841f54748a38226c1

20912984 as geometric shapes

Circle

Radius = n
Diameter 41825968
Circumference 131400153.79808
Area 1.3739846569884E+15

Sphere

Radius = n
Volume 3.8312158863792E+22
Surface area 5.4959386279536E+15
Circumference 131400153.79808

Square

Length = n
Perimeter 83651936
Area 437352899784256
Diagonal 29575425.602492

Cube

Length = n
Surface area 2624117398705536
Volume 9.1463541955417E+21
Space diagonal 36222350.825875

Equilateral Triangle

Length = n
Perimeter 62738952
Area 1.8937936081598E+14
Altitude 18111175.412938

Triangular Pyramid

Length = n
Surface area 1.8937936081598E+14
Volume 1.0779081791336E+21
Height 9858475.2008305