21031998 (number)

21031998 is an even 8-digits composite number following 21031997 and preceding 21031999. In scientific notation, it is written as 2.1031998 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 6471360 positive integers (up to 21031998) that are relatively prime to 21031998.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand nine hundred ninety-eight

Notation

Scientific notation 2.1031998 × 10^7
Engineering notation 2.1031998 × 10^6

Prime Factorization of 21031998

Prime Factorization 2 × 3 × 13 × 269641

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21031998
Product of the distinct prime numbers

The prime factorization of 21031998 is 2 × 3 × 13 × 269641. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031998)

Multiplication

n×y
n×2 42063996
n×3 63095994
n×4 84127992
n×5 105159990

Division

n÷y
n÷2 10515999
n÷3 7010666
n÷3 5257999.5
n÷5 4206399.6

Exponentiation

ny
n2 442344939872004
n3 9.3033978906981E+21
n4 1.9566904583037E+29
n5 4.1153109805662E+36

Nth Root

y√n
2√n 4586.0656340702
3√n 276.03247359978
4√n 67.720496410394
5√n 29.145808451608

Divisors of 21031998

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 -21031997
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 21031998 can be divided by 16 positive divisors. The sum of these divisors (counting 21031998) is 1, the average is 0.0625.

Base conversion 21031998

Base System Value
2 Binary 1010000001110110000111110
3 Ternary 1110120112110220
4 Quaternary 1100032300332
5 Quinary 20341010443
6 Senary 2030442210
8 Octal 120166076
10 Decimal 21031998
12 Duodecimal 7063366
16 Hexadecimal 140ec3e
20 Vigesimal 6b8jji
36 Base36 cise6

Cryptographic Hash Functions

md5 b3cfe5efa8600acc6cc1fe7f93a2ef03
sha1 8bf20c136b4c37cf393fa14d95eabdea3722b246
sha256 9c6a1fc2e06f0fff60859fbdd9885e875a2f6cc000baeb78433db10835c12c85
sha512 a64d3931e1915f395eabac57c9cf0fd6730b5dc8dc3120e82d5f5c614d624633b646b923d9b9de8b5e2d8165eb76339ad9505e1d609673f12d1652d82bdf2199
ripemd-160 ce48fcf22d853401453fdf421665198f8a981bcc

21031998 as geometric shapes

Circle

Radius = n
Diameter 42063996
Circumference 132147940.81423
Area 1.3896676134545E+15

Sphere

Radius = n
Volume 3.8969981955787E+22
Surface area 5.558670453818E+15
Circumference 132147940.81423

Square

Length = n
Perimeter 84127992
Area 442344939872004
Diagonal 29743736.815404

Cube

Length = n
Surface area 2654069639232024
Volume 9.3033978906981E+21
Space diagonal 36428489.120687

Equilateral Triangle

Length = n
Perimeter 63095994
Area 1.9154097758233E+14
Altitude 18214244.560344

Triangular Pyramid

Length = n
Surface area 1.9154097758233E+14
Volume 1.0964159560982E+21
Height 9914578.9384679