21491024 (number)

21491024 is an even 8-digits composite number following 21491023 and preceding 21491025. In scientific notation, it is written as 2.1491024 × 10^7. The sum of its digits is 23. It has a total of 6 prime factors and 20 positive divisors. There are 10615392 positive integers (up to 21491024) that are relatively prime to 21491024.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-one thousand twenty-four

Notation

Scientific notation 2.1491024 × 10^7
Engineering notation 2.1491024 × 10^6

Prime Factorization of 21491024

Prime Factorization 2 × 2 × 2 × 2 × 83 × 16183

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2686378
Product of the distinct prime numbers

The prime factorization of 21491024 is 2 × 2 × 2 × 2 × 83 × 16183. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 2, 9, 52, 783, 256, 7168, 4294, 50757, 85376, 910702, 902019, 3640032, 8599404, 26382548, 7693253, 4779043, 393001160, 9192402538, 214829712

Basic calculations (n = 21491024)

Multiplication

n×y
n×2 42982048
n×3 64473072
n×4 85964096
n×5 107455120

Division

n÷y
n÷2 10745512
n÷3 7163674.6666667
n÷3 5372756
n÷5 4298204.8

Exponentiation

ny
n2 461864112568576
n3 9.92593272795E+21
n4 2.1331845847876E+29
n5 4.58443211081E+36

Nth Root

y√n
2√n 4635.841239732
3√n 278.02618665387
4√n 68.087012269096
5√n 29.271934307668

Divisors of 21491024

1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 16183, 32366, 64732, 129464, 258928, 1343189, 2686378, 5372756, 10745512, 21491024

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21491023
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21491024 can be divided by 20 positive divisors. The sum of these divisors (counting 21491024) is 1, the average is 0.05.

Base conversion 21491024

Base System Value
2 Binary 1010001111110110101010000
3 Ternary 1111102212010212
4 Quaternary 1101332311100
5 Quinary 21000203044
6 Senary 2044343252
8 Octal 121766520
10 Decimal 21491024
12 Duodecimal 7244b28
16 Hexadecimal 147ed50
20 Vigesimal 6e67b4
36 Base36 csmkw

Cryptographic Hash Functions

md5 68d767373eb2b8e5a6070870e26eb1b6
sha1 6398853f1407a887cfaf535cb07a31218521dd1a
sha256 42c866e0cbf7e2c8782e4058b1a830c3f2a738be6f94cd12c68da8238022b87a
sha512 e512bd05f7197e4c78fa030e195bd0d7604d5696f1e2016e9e18b81d12a978ea246165093d195e4895dfe7a0c865e9e66516d26293190dcd46329b4d2192b664
ripemd-160 d0598aaeff8db0854359af36590f0adb6bf91d96

21491024 as geometric shapes

Circle

Radius = n
Diameter 42982048
Circumference 135032086.23304
Area 1.4509889030022E+15

Sphere

Radius = n
Volume 4.1577649784205E+22
Surface area 5.8039556120088E+15
Circumference 135032086.23304

Square

Length = n
Perimeter 85964096
Area 461864112568576
Diagonal 30392897.610086

Cube

Length = n
Surface area 2771184675411456
Volume 9.92593272795E+21
Space diagonal 37223545.474682

Equilateral Triangle

Length = n
Perimeter 64473072
Area 1.9999302729037E+14
Altitude 18611772.737341

Triangular Pyramid

Length = n
Surface area 1.9999302729037E+14
Volume 1.1697823902558E+21
Height 10130965.870029