20781371 (number)

20781371 is an odd 8-digits composite number following 20781370 and preceding 20781372. In scientific notation, it is written as 2.0781371 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 18361728 positive integers (up to 20781371) that are relatively prime to 20781371.

Interesting facts

Basic properties

Name

Name twenty million seven hundred eighty-one thousand three hundred seventy-one

Notation

Scientific notation 2.0781371 × 10^7
Engineering notation 2.0781371 × 10^6

Prime Factorization of 20781371

Prime Factorization 29 × 13 × 199 × 277

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20781371
Product of the distinct prime numbers

The prime factorization of 20781371 is 29 × 13 × 199 × 277. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 3, 89, 35, 566, 561, 4921, 3033, 44475, 40825, 779284, 993252, 8941556, 7283883, 40627441, 23831801, 580398822, 164475993, 5253618665, 8051302264

Basic calculations (n = 20781371)

Multiplication

n×y
n×2 41562742
n×3 62344113
n×4 83125484
n×5 103906855

Division

n÷y
n÷2 10390685.5
n÷3 6927123.6666667
n÷3 5195342.75
n÷5 4156274.2

Exponentiation

ny
n2 431865380639641
n3 8.9747546971286E+21
n4 1.8650770699502E+29
n5 3.8758858534228E+36

Nth Root

y√n
2√n 4558.6589036689
3√n 274.93164582117
4√n 67.517841372995
5√n 29.076011980756

Divisors of 20781371

1, 13, 29, 199, 277, 377, 2587, 3601, 5771, 8033, 55123, 75023, 104429, 716599, 1598567, 20781371

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 -20781370
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 20781371 can be divided by 16 positive divisors. The sum of these divisors (counting 20781371) is 1, the average is 0.0625.

Base conversion 20781371

Base System Value
2 Binary 1001111010001100100111011
3 Ternary 1110002210200102
4 Quaternary 1033101210323
5 Quinary 20310000441
6 Senary 2021230015
8 Octal 117214473
10 Decimal 20781371
12 Duodecimal 6b6230b
16 Hexadecimal 13d193b
20 Vigesimal 69hd8b
36 Base36 cdf0b

Cryptographic Hash Functions

md5 26d4dac99751a2eb2f48de2c27d51555
sha1 d1119756179d581dc50970faeb07b6eb60f66a78
sha256 32b6943139da714885dc3bdab11f534df47dd06bd10f59c0ea99fa54f6c4eb13
sha512 bcc90c776e614d4bc6f961f30697a4ece1eec2e53be505665651c8da11f2d59011f41bd977f2748867b66fdb38496945b05c5f18153056f5009b8fde1b2c1260
ripemd-160 08d827f2d39cd22f73732f179e3718053e580261

20781371 as geometric shapes

Circle

Radius = n
Diameter 41562742
Circumference 130573204.93025
Area 1.3567451071573E+15

Sphere

Radius = n
Volume 3.7593364565693E+22
Surface area 5.426980428629E+15
Circumference 130573204.93025

Square

Length = n
Perimeter 83125484
Area 431865380639641
Diagonal 29389296.712907

Cube

Length = n
Surface area 2591192283837846
Volume 8.9747546971286E+21
Space diagonal 35994390.422938

Equilateral Triangle

Length = n
Perimeter 62344113
Area 1.8700319532448E+14
Altitude 17997195.211469

Triangular Pyramid

Length = n
Surface area 1.8700319532448E+14
Volume 1.0576849843042E+21
Height 9796432.2376356