19998784 (number)

19998784 is an even 8-digits composite number following 19998783 and preceding 19998785. In scientific notation, it is written as 1.9998784 × 10^7. The sum of its digits is 55. It has a total of 10 prime factors and 63 positive divisors. There are 9015552 positive integers (up to 19998784) that are relatively prime to 19998784.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred ninety-eight thousand seven hundred eighty-four

Notation

Scientific notation 1.9998784 × 10^7
Engineering notation 1.9998784 × 10^6

Prime Factorization of 19998784

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 13 × 43 × 13 × 43

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 1118
Product of the distinct prime numbers

The prime factorization of 19998784 is 2 × 2 × 2 × 2 × 2 × 2 × 13 × 43 × 13 × 43. Since it has a total of 10 prime factors.

Most popular turbo-numbers

6, 6, 19, 99, 544, 898, 9452, 4513, 10584, 37968, 514758, 508241, 9734615, 3112435, 96104932, 71371102, 248232588, 449309907, 911652034, 8973105506

Basic calculations (n = 19998784)

Multiplication

n×y
n×2 39997568
n×3 59996352
n×4 79995136
n×5 99993920

Division

n÷y
n÷2 9999392
n÷3 6666261.3333333
n÷3 4999696
n÷5 3999756.8

Exponentiation

ny
n2 399951361478656
n3 7.9985408887176E+21
n4 1.5996109154863E+29
n5 3.1990273182853E+36

Nth Root

y√n
2√n 4472
3√n 271.43626032829
4√n 66.873013989202
5√n 28.853647244994

Divisors of 19998784

1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 169, 172, 208, 338, 344, 416, 559, 676, 688, 832, 1118, 1352, 1376, 1849, 2236, 2704, 2752, 3698, 4472, 5408, 7267, 7396, 8944, 10816, 14534, 14792, 17888, 24037, 29068, 29584, 35776, 48074, 58136, 59168, 96148, 116272, 118336, 192296, 232544, 312481, 384592, 465088, 624962, 769184, 1249924, 1538368, 2499848, 4999696, 9999392, 19998784

63 divisors

τ Total Divisors 63
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19998783
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015873015873016
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 63
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19998784 can be divided by 63 positive divisors. The sum of these divisors (counting 19998784) is 1, the average is 0.015873015873016.

Base conversion 19998784

Base System Value
2 Binary 1001100010010100001000000
3 Ternary 1101122001011201
4 Quaternary 1030102201000
5 Quinary 20104430114
6 Senary 1552350544
8 Octal 114224100
10 Decimal 19998784
12 Duodecimal 6845454
16 Hexadecimal 1312840
20 Vigesimal 64jgj4
36 Base36 bwn5s

Cryptographic Hash Functions

md5 db58bd4a60b314878695dde99738c939
sha1 fa0f618fe6322e6c5e7869197e39ec54d562f309
sha256 b916653667f78d0c76462dd34fa43ff520e03ec7d67eef997fea8e2645535c66
sha512 91d2e1e86ffcd29a70f16e89a88a5368c2bf8b3d5227b5fa766f85abb3a16224ef18f901722e117e52ec35341907a05becb1c67fa261574d18902ac10b5cdf20
ripemd-160 4f46cc21f0a9be8f41542f857fd7d63f0f9c93bf

19998784 as geometric shapes

Circle

Radius = n
Diameter 39997568
Circumference 125656065.79026
Area 1.2564842590146E+15

Sphere

Radius = n
Volume 3.3504209727244E+22
Surface area 5.0259370360583E+15
Circumference 125656065.79026

Square

Length = n
Perimeter 79995136
Area 399951361478656
Diagonal 28282551.56377

Cube

Length = n
Surface area 2399708168871936
Volume 7.9985408887176E+21
Space diagonal 34638909.977596

Equilateral Triangle

Length = n
Perimeter 59996352
Area 1.7318401965934E+14
Altitude 17319454.988798

Triangular Pyramid

Length = n
Surface area 1.7318401965934E+14
Volume 9.4263708366834E+20
Height 9427517.1879234