20981512 (number)

20981512 is an even 8-digits composite number following 20981511 and preceding 20981513. In scientific notation, it is written as 2.0981512 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 16 positive divisors. There are 10388496 positive integers (up to 20981512) that are relatively prime to 20981512.

Interesting facts

Basic properties

Name

Name twenty million nine hundred eighty-one thousand five hundred twelve

Notation

Scientific notation 2.0981512 × 10^7
Engineering notation 2.0981512 × 10^6

Prime Factorization of 20981512

Prime Factorization 2 × 2 × 2 × 103 × 25463

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5245378
Product of the distinct prime numbers

The prime factorization of 20981512 is 2 × 2 × 2 × 103 × 25463. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 2, 98, 32, 240, 221, 9436, 2247, 54797, 87092, 27855, 987214, 4393754, 5135, 53097975, 33573485, 21801274, 62306443, 1763876209, 7233525896

Basic calculations (n = 20981512)

Multiplication

n×y
n×2 41963024
n×3 62944536
n×4 83926048
n×5 104907560

Division

n÷y
n÷2 10490756
n÷3 6993837.3333333
n÷3 5245378
n÷5 4196302.4

Exponentiation

ny
n2 440223845806144
n3 9.2365619034678E+21
n4 1.9379703441635E+29
n5 4.0661548031711E+36

Nth Root

y√n
2√n 4580.5580446055
3√n 275.81143039045
4√n 67.679820069246
5√n 29.131802457708

Divisors of 20981512

1, 2, 4, 8, 103, 206, 412, 824, 25463, 50926, 101852, 203704, 2622689, 5245378, 10490756, 20981512

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 -20981511
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 20981512 can be divided by 16 positive divisors. The sum of these divisors (counting 20981512) is 1, the average is 0.0625.

Base conversion 20981512

Base System Value
2 Binary 1010000000010011100001000
3 Ternary 1110110222020001
4 Quaternary 1100002130020
5 Quinary 20332402022
6 Senary 2025412344
8 Octal 120023410
10 Decimal 20981512
12 Duodecimal 703a0b4
16 Hexadecimal 1402708
20 Vigesimal 6b2dfc
36 Base36 chpfs

Cryptographic Hash Functions

md5 69ae59f74f14db1c166c811d84d2c69b
sha1 0d8586291bec37f730d9a9916aeec50226c9aae0
sha256 623c1bb526709bdf6651ed66af0e1980cb11726e7d57d6ea7b825091cdb73186
sha512 7246477f28d870de3af94e2c9e7bf8123fc619e971c1537ff0e240121eae073f784e5ef0263179112f25252d3f8c6ed6058bf139317db2401cd622649bee66de
ripemd-160 711ba6e7ee92be9a66200a6b51fa1edc0674cd3d

20981512 as geometric shapes

Circle

Radius = n
Diameter 41963024
Circumference 131830727.92081
Area 1.3830039999196E+15

Sphere

Radius = n
Volume 3.8690020027149E+22
Surface area 5.5320159996785E+15
Circumference 131830727.92081

Square

Length = n
Perimeter 83926048
Area 440223845806144
Diagonal 29672338.829494

Cube

Length = n
Surface area 2641343074836864
Volume 9.2365619034678E+21
Space diagonal 36341044.803616

Equilateral Triangle

Length = n
Perimeter 62944536
Area 1.906225169099E+14
Altitude 18170522.401808

Triangular Pyramid

Length = n
Surface area 1.906225169099E+14
Volume 1.0885392594652E+21
Height 9890779.6098313