21509898 (number)

21509898 is an even 8-digits composite number following 21509897 and preceding 21509899. In scientific notation, it is written as 2.1509898 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 7169964 positive integers (up to 21509898) that are relatively prime to 21509898.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1509898 × 10^7
Engineering notation 2.1509898 × 10^6

Prime Factorization of 21509898

Prime Factorization 2 × 3 × 3584983

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21509898
Product of the distinct prime numbers

The prime factorization of 21509898 is 2 × 3 × 3584983. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21509898)

Multiplication

n×y
n×2 43019796
n×3 64529694
n×4 86039592
n×5 107549490

Division

n÷y
n÷2 10754949
n÷3 7169966
n÷3 5377474.5
n÷5 4301979.6

Exponentiation

ny
n2 462675711970404
n3 9.9521073715608E+21
n4 2.1406881444732E+29
n5 4.6045983637428E+36

Nth Root

y√n
2√n 4637.8764537232
3√n 278.10755288442
4√n 68.10195631348
5√n 29.277073983746

Divisors of 21509898

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 -21509897
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 21509898 can be divided by 8 positive divisors. The sum of these divisors (counting 21509898) is 1, the average is 0.125.

Base conversion 21509898

Base System Value
2 Binary 1010010000011011100001010
3 Ternary 1111110211000220
4 Quaternary 1102003130022
5 Quinary 21001304043
6 Senary 2045010510
8 Octal 122033412
10 Decimal 21509898
12 Duodecimal 7253a36
16 Hexadecimal 148370a
20 Vigesimal 6e8eei
36 Base36 ct156

Cryptographic Hash Functions

md5 174983c1708e0e6bbbd9bcbe95666415
sha1 1ceca4c658b5601a4eb233d42fff83a8dcbc6442
sha256 1d29f93660c9ff3238a48a16245e44ca6c34b566bbf32bcdb482c52e66469f7d
sha512 2f69e87836a4c80c2715aa23e1539cfb7f82412282c4f95e136d501792196da60926fc9e6a7935510b06f625ae04d8e88029000998110de7e14626a7905d0038
ripemd-160 709dbd67f396f01e0911b5bab29810042130cdd1

21509898 as geometric shapes

Circle

Radius = n
Diameter 43019796
Circumference 135150675.07253
Area 1.4535386177206E+15

Sphere

Radius = n
Volume 4.1687289874976E+22
Surface area 5.8141544708826E+15
Circumference 135150675.07253

Square

Length = n
Perimeter 86039592
Area 462675711970404
Diagonal 30419589.476862

Cube

Length = n
Surface area 2776054271822424
Volume 9.9521073715608E+21
Space diagonal 37256236.201624

Equilateral Triangle

Length = n
Perimeter 64529694
Area 2.0034446014021E+14
Altitude 18628118.100812

Triangular Pyramid

Length = n
Surface area 2.0034446014021E+14
Volume 1.1728671015879E+21
Height 10139863.158954