21492018 (number)

21492018 is an even 8-digits composite number following 21492017 and preceding 21492019. In scientific notation, it is written as 2.1492018 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 7149912 positive integers (up to 21492018) that are relatively prime to 21492018.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1492018 × 10^7
Engineering notation 2.1492018 × 10^6

Prime Factorization of 21492018

Prime Factorization 2 × 3 × 3 × 743 × 1607

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 7164006
Product of the distinct prime numbers

The prime factorization of 21492018 is 2 × 3 × 3 × 743 × 1607. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 3, 6, 39, 51, 449, 1033, 5223, 93270, 63317, 125026, 325314, 1988642, 8357053, 51068355, 29266948, 123888698, 568112842, 4128956173, 1460929362

Basic calculations (n = 21492018)

Multiplication

n×y
n×2 42984036
n×3 64476054
n×4 85968072
n×5 107460090

Division

n÷y
n÷2 10746009
n÷3 7164006
n÷3 5373004.5
n÷5 4298403.6

Exponentiation

ny
n2 461906837712324
n3 9.9273100704363E+21
n4 2.133579267254E+29
n5 4.585492401625E+36

Nth Root

y√n
2√n 4635.9484466504
3√n 278.03047299793
4√n 68.087799543313
5√n 29.272205078986

Divisors of 21492018

1, 2, 3, 6, 9, 18, 743, 1486, 1607, 2229, 3214, 4458, 4821, 6687, 9642, 13374, 14463, 28926, 1194001, 2388002, 3582003, 7164006, 10746009, 21492018

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 -21492017
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 21492018 can be divided by 24 positive divisors. The sum of these divisors (counting 21492018) is 1, the average is 0.041666666666667.

Base conversion 21492018

Base System Value
2 Binary 1010001111111000100110010
3 Ternary 1111102220111200
4 Quaternary 1101333010302
5 Quinary 21000221033
6 Senary 2044352030
8 Octal 121770462
10 Decimal 21492018
12 Duodecimal 7245616
16 Hexadecimal 147f132
20 Vigesimal 6e6a0i
36 Base36 csnci

Cryptographic Hash Functions

md5 dd6e4fa7b59f6c2928e4e8ebd22604db
sha1 17e7e48c50cad85b514aa106d987d12f1b6bd1c5
sha256 73257ccef2d283c39bd4df4a1cb0bd20093200bfe56d3c0895da55097edd0b64
sha512 041fd66b9f99deded39ebed9df069a6a77d7c48eb2a84989617e57eed10d961437214e238cd2cc6478847fcf9246029ed02eb5fdd28aa02955e86834c41f3d6d
ripemd-160 a34cc818171104642caa0f57bc01bfe3d0e9fb5c

21492018 as geometric shapes

Circle

Radius = n
Diameter 42984036
Circumference 135038331.71924
Area 1.4511231279999E+15

Sphere

Radius = n
Volume 4.1583419182921E+22
Surface area 5.8044925119997E+15
Circumference 135038331.71924

Square

Length = n
Perimeter 85968072
Area 461906837712324
Diagonal 30394303.338367

Cube

Length = n
Surface area 2771441026273944
Volume 9.9273100704363E+21
Space diagonal 37225267.133185

Equilateral Triangle

Length = n
Perimeter 64476054
Area 2.000115278203E+14
Altitude 18612633.566592

Triangular Pyramid

Length = n
Surface area 2.000115278203E+14
Volume 1.1699447116245E+21
Height 10131434.446122