19998904 (number)

19998904 is an even 8-digits composite number following 19998903 and preceding 19998905. In scientific notation, it is written as 1.9998904 × 10^7. The sum of its digits is 49. It has a total of 4 prime factors and 8 positive divisors. There are 9999448 positive integers (up to 19998904) that are relatively prime to 19998904.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.9998904 × 10^7
Engineering notation 1.9998904 × 10^6

Prime Factorization of 19998904

Prime Factorization 2 × 2 × 2 × 2499863

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 4999726
Product of the distinct prime numbers

The prime factorization of 19998904 is 2 × 2 × 2 × 2499863. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19998904)

Multiplication

n×y
n×2 39997808
n×3 59996712
n×4 79995616
n×5 99994520

Division

n÷y
n÷2 9999452
n÷3 6666301.3333333
n÷3 4999726
n÷5 3999780.8

Exponentiation

ny
n2 399956161201216
n3 7.9986848720716E+21
n4 1.5996493088281E+29
n5 3.199123296092E+36

Nth Root

y√n
2√n 4472.0134167956
3√n 271.43680323274
4√n 66.873114304596
5√n 28.853681871393

Divisors of 19998904

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 -19998903
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 19998904 can be divided by 8 positive divisors. The sum of these divisors (counting 19998904) is 1, the average is 0.125.

Base conversion 19998904

Base System Value
2 Binary 1001100010010100010111000
3 Ternary 1101122001100011
4 Quaternary 1030102202320
5 Quinary 20104431104
6 Senary 1552351304
8 Octal 114224270
10 Decimal 19998904
12 Duodecimal 6845534
16 Hexadecimal 13128b8
20 Vigesimal 64jh54
36 Base36 bwn94

Cryptographic Hash Functions

md5 04631bd7104852bee61668341b2e3947
sha1 6461b70e39cf0a5570cc369b15d6fd32cb81f7ca
sha256 70c7abdb9fde23c80921012d2a98dfaee54ee51bb0444c196b2e0a7d641c5839
sha512 5cbe0c053c8cce76b4128f04f337b8bf59251019fc192e9c8d09eb86ad620e2ea4f09d398b51fc6a4fddbdbb8fdce274a5c3b67b75e6c5afde7cf6e23ed486c2
ripemd-160 1311e5ec1069c1074d21253c0fb59b3513e6911e

19998904 as geometric shapes

Circle

Radius = n
Diameter 39997808
Circumference 125656819.7725
Area 1.2564993377877E+15

Sphere

Radius = n
Volume 3.3504812843307E+22
Surface area 5.0259973511509E+15
Circumference 125656819.7725

Square

Length = n
Perimeter 79995616
Area 399956161201216
Diagonal 28282721.269398

Cube

Length = n
Surface area 2399736967207296
Volume 7.9986848720716E+21
Space diagonal 34639117.823692

Equilateral Triangle

Length = n
Perimeter 59996712
Area 1.7318609800018E+14
Altitude 17319558.911846

Triangular Pyramid

Length = n
Surface area 1.7318609800018E+14
Volume 9.4265405226935E+20
Height 9427573.7564658