19998918 (number)

19998918 is an even 8-digits composite number following 19998917 and preceding 19998919. In scientific notation, it is written as 1.9998918 × 10^7. The sum of its digits is 54. It has a total of 5 prime factors and 24 positive divisors. There are 6625392 positive integers (up to 19998918) that are relatively prime to 19998918.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.9998918 × 10^7
Engineering notation 1.9998918 × 10^6

Prime Factorization of 19998918

Prime Factorization 2 × 3 × 3 × 167 × 6653

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 6666306
Product of the distinct prime numbers

The prime factorization of 19998918 is 2 × 3 × 3 × 167 × 6653. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 8, 7, 83, 735, 664, 3286, 4633, 76121, 99343, 339332, 977377, 7460804, 8382975, 32915217, 55793186, 217365430, 656463792, 8014935056, 8888720954

Basic calculations (n = 19998918)

Multiplication

n×y
n×2 39997836
n×3 59996754
n×4 79995672
n×5 99994590

Division

n÷y
n÷2 9999459
n÷3 6666306
n÷3 4999729.5
n÷5 3999783.6

Exponentiation

ny
n2 399956721170724
n3 7.9987016702422E+21
n4 1.5996537880964E+29
n5 3.1991344936529E+36

Nth Root

y√n
2√n 4472.0149820858
3√n 271.43686657145
4√n 66.87312600803
5√n 28.853685911128

Divisors of 19998918

1, 2, 3, 6, 9, 18, 167, 334, 501, 1002, 1503, 3006, 6653, 13306, 19959, 39918, 59877, 119754, 1111051, 2222102, 3333153, 6666306, 9999459, 19998918

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19998917
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19998918 can be divided by 24 positive divisors. The sum of these divisors (counting 19998918) is 1, the average is 0.041666666666667.

Base conversion 19998918

Base System Value
2 Binary 1001100010010100011000110
3 Ternary 1101122001100200
4 Quaternary 1030102203012
5 Quinary 20104431133
6 Senary 1552351330
8 Octal 114224306
10 Decimal 19998918
12 Duodecimal 6845546
16 Hexadecimal 13128c6
20 Vigesimal 64jh5i
36 Base36 bwn9i

Cryptographic Hash Functions

md5 b388b23bd984ef9fc3707ec478918df1
sha1 439c08d55299d8e091be594442b1c1f39dddad2c
sha256 4fa17b875e9dda91b7a23f7f067721716f0d598a012c004da5f4a657ed5fcbd2
sha512 ce24e20a2e050ef787d92dec5c654e1442112c3f9ede197709e41f91d3d80eec0cbec003d5d54810eb98b22da5ada18a37080bbfd9514e9fa3525ddfccaa3c7e
ripemd-160 3397fe6ac893547fe5d186ad19aed973e4ea6b54

19998918 as geometric shapes

Circle

Radius = n
Diameter 39997836
Circumference 125656907.73709
Area 1.2565010969838E+15

Sphere

Radius = n
Volume 3.3504883207319E+22
Surface area 5.0260043879352E+15
Circumference 125656907.73709

Square

Length = n
Perimeter 79995672
Area 399956721170724
Diagonal 28282741.068387

Cube

Length = n
Surface area 2399740327024344
Volume 7.9987016702422E+21
Space diagonal 34639142.072404

Equilateral Triangle

Length = n
Perimeter 59996754
Area 1.7318634047409E+14
Altitude 17319571.036202

Triangular Pyramid

Length = n
Surface area 1.7318634047409E+14
Volume 9.4265603195273E+20
Height 9427580.3561291