20199781 (number)

20199781 is an odd 8-digits composite number following 20199780 and preceding 20199782. In scientific notation, it is written as 2.0199781 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 16943040 positive integers (up to 20199781) that are relatively prime to 20199781.

Interesting facts

Basic properties

Name

Name twenty million one hundred ninety-nine thousand seven hundred eighty-one

Notation

Scientific notation 2.0199781 × 10^7
Engineering notation 2.0199781 × 10^6

Prime Factorization of 20199781

Prime Factorization 7 × 149 × 107 × 181

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20199781
Product of the distinct prime numbers

The prime factorization of 20199781 is 7 × 149 × 107 × 181. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 10, 4, 85, 333, 227, 6417, 7423, 21686, 37418, 533327, 516043, 9579729, 3193911, 88700958, 98389326, 539034156, 252773138, 5646242546, 5589933467

Basic calculations (n = 20199781)

Multiplication

n×y
n×2 40399562
n×3 60599343
n×4 80799124
n×5 100998905

Division

n÷y
n÷2 10099890.5
n÷3 6733260.3333333
n÷3 5049945.25
n÷5 4039956.2

Exponentiation

ny
n2 408031152447961
n3 8.2421399206264E+21
n4 1.6648942136801E+29
n5 3.3630498504505E+36

Nth Root

y√n
2√n 4494.4166473526
3√n 272.34258394143
4√n 67.040410554773
5√n 28.911413968252

Divisors of 20199781

1, 7, 107, 149, 181, 749, 1043, 1267, 15943, 19367, 26969, 111601, 135569, 188783, 2885683, 20199781

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 -20199780
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 20199781 can be divided by 16 positive divisors. The sum of these divisors (counting 20199781) is 1, the average is 0.0625.

Base conversion 20199781

Base System Value
2 Binary 1001101000011100101100101
3 Ternary 1102000020220001
4 Quaternary 1031003211211
5 Quinary 20132343111
6 Senary 2000541301
8 Octal 115034545
10 Decimal 20199781
12 Duodecimal 6921831
16 Hexadecimal 1343965
20 Vigesimal 664j91
36 Base36 c0y91

Cryptographic Hash Functions

md5 c0762c7f58a06aed34310c6f5afbd46e
sha1 c24355c8f0fef6213208fb26f7d69e224e1057e1
sha256 30a647cba8f6330de3981c32b1f5aa42d7de96bfcc0ecf6f62db552af2b57567
sha512 0ffd1c65a442b6e1a50010c0a1b88b04787f99b250918d3575437c512b227eec161a90a4e6fb3fed3a429d2a27baeb5b539efa32cfbe0b208cddd9e247f6f895
ripemd-160 519e94a6f61b1edf09dfe041b36d7bff4bf3e0dd

20199781 as geometric shapes

Circle

Radius = n
Diameter 40399562
Circumference 126918967.18745
Area 1.2818676709663E+15

Sphere

Radius = n
Volume 3.4524594965999E+22
Surface area 5.1274706838652E+15
Circumference 126918967.18745

Square

Length = n
Perimeter 80799124
Area 408031152447961
Diagonal 28566804.247166

Cube

Length = n
Surface area 2448186914687766
Volume 8.2421399206264E+21
Space diagonal 34987046.993764

Equilateral Triangle

Length = n
Perimeter 60599343
Area 1.7668267177769E+14
Altitude 17493523.496882

Triangular Pyramid

Length = n
Surface area 1.7668267177769E+14
Volume 9.7134550489388E+20
Height 9522268.0823888