21019968 (number)

21019968 is an even 8-digits composite number following 21019967 and preceding 21019969. In scientific notation, it is written as 2.1019968 × 10^7. The sum of its digits is 36. It has a total of 9 prime factors and 42 positive divisors. There are 7006464 positive integers (up to 21019968) that are relatively prime to 21019968.

Interesting facts

Basic properties

Name

Name twenty-one million nineteen thousand nine hundred sixty-eight

Notation

Scientific notation 2.1019968 × 10^7
Engineering notation 2.1019968 × 10^6

Prime Factorization of 21019968

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 36493

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 218958
Product of the distinct prime numbers

The prime factorization of 21019968 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 36493. Since it has a total of 9 prime factors.

Most popular turbo-numbers

9, 8, 69, 16, 113, 843, 5506, 9709, 95557, 85238, 817426, 802773, 920762, 9869775, 59554150, 2723908, 848488485, 458292652, 6470652724, 2624114489

Basic calculations (n = 21019968)

Multiplication

n×y
n×2 42039936
n×3 63059904
n×4 84079872
n×5 105099840

Division

n÷y
n÷2 10509984
n÷3 7006656
n÷3 5254992
n÷5 4203993.6

Exponentiation

ny
n2 441839054721024
n3 9.2874427913862E+21
n4 1.9522175027677E+29
n5 4.1035549437217E+36

Nth Root

y√n
2√n 4584.7538647129
3√n 275.97983469558
4√n 67.710810545384
5√n 29.142473491953

Divisors of 21019968

1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 192, 288, 576, 36493, 72986, 109479, 145972, 218958, 291944, 328437, 437916, 583888, 656874, 875832, 1167776, 1313748, 1751664, 2335552, 2627496, 3503328, 5254992, 7006656, 10509984, 21019968

42 divisors

τ Total Divisors 42
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21019967
Sum of the proper positive divisors of n
A Arithmetic Mean 0.023809523809524
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 42
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21019968 can be divided by 42 positive divisors. The sum of these divisors (counting 21019968) is 1, the average is 0.023809523809524.

Base conversion 21019968

Base System Value
2 Binary 1010000001011110101000000
3 Ternary 1110112220222100
4 Quaternary 1100023311000
5 Quinary 20340114333
6 Senary 2030310400
8 Octal 120136500
10 Decimal 21019968
12 Duodecimal 7058400
16 Hexadecimal 140bd40
20 Vigesimal 6b79i8
36 Base36 cij40

Cryptographic Hash Functions

md5 a906934981fa736a4854bcf41ccdeecd
sha1 c8a5a6204c7c2cfafe39a3b726295a7d24a98b88
sha256 f892134c79cb52a385576e6e77bade74f91f41cca5fcfec2d36a5c1e0f18ae7f
sha512 5793b5d2b550ca415bedf877c1a5fb2840cc4e857b8d848142e9ca8c0cd22070a41c754040987fe72f421cd48aa0f0ea5202a60efefbc7d46dfd1a248ae7dc12
ripemd-160 c7cfc9e6715f540d48e0c3cf99128d12242ae6fa

21019968 as geometric shapes

Circle

Radius = n
Diameter 42039936
Circumference 132072354.09499
Area 1.3880783283806E+15

Sphere

Radius = n
Volume 3.8903149392072E+22
Surface area 5.5523133135225E+15
Circumference 132072354.09499

Square

Length = n
Perimeter 84079872
Area 441839054721024
Diagonal 29726723.826248

Cube

Length = n
Surface area 2651034328326144
Volume 9.2874427913862E+21
Space diagonal 36407652.549472

Equilateral Triangle

Length = n
Perimeter 63059904
Area 1.9132192288625E+14
Altitude 18203826.274736

Triangular Pyramid

Length = n
Surface area 1.9132192288625E+14
Volume 1.0945356296119E+21
Height 9908907.9420828