18996821 (number)

18996821 is an odd 8-digits prime number following 18996820 and preceding 18996822. In scientific notation, it is written as 1.8996821 × 10^7. The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors. There are 18996820 positive integers (up to 18996821) that are relatively prime to 18996821.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred ninety-six thousand eight hundred twenty-one

Notation

Scientific notation 1.8996821 × 10^7
Engineering notation 1.8996821 × 10^6

Prime Factorization of 18996821

Prime Factorization 18996821

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 18996821
Product of the distinct prime numbers

The prime factorization of 18996821 is 18996821. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18996821)

Multiplication

n×y
n×2 37993642
n×3 56990463
n×4 75987284
n×5 94984105

Division

n÷y
n÷2 9498410.5
n÷3 6332273.6666667
n÷3 4749205.25
n÷5 3799364.2

Exponentiation

ny
n2 360879208106041
n3 6.8555577190122E+21
n4 1.3023380284324E+29
n5 2.4740282407624E+36

Nth Root

y√n
2√n 4358.5342719772
3√n 266.82528185116
4√n 66.019196238497
5√n 28.558552158857

Divisors of 18996821

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 18996822
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 9498411
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4358.5343866947
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999998947192
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18996821 can be divided by 2 positive divisors. The sum of these divisors (counting 18996821) is 18996822, the average is 9498411.

Base conversion 18996821

Base System Value
2 Binary 1001000011101111001010101
3 Ternary 1022202010201222
4 Quaternary 1020131321111
5 Quinary 14330344241
6 Senary 1515100125
8 Octal 110357125
10 Decimal 18996821
12 Duodecimal 6441645
16 Hexadecimal 121de55
20 Vigesimal 5iec11
36 Base36 bb61h

Cryptographic Hash Functions

md5 9ffea61a1006fb6fa736fc6df3270de5
sha1 187f41af0aa037aae98dee2e67bdfd076de1b9b3
sha256 909edc7d1d3cfaeab78ec554ad8cf7b5763d3a8092a181320e86f37abdaa5d3c
sha512 40550baabecf2fdcb6f88cab735f46d1895d3e71c640e4d1da6c7213906cd6777842eb92d9ae64d0970dfefd7db8675c559f997e07f143c6d9f765e02ea9c6f9
ripemd-160 2363f4d0413557ba2905851e7995b0752b23263d

18996821 as geometric shapes

Circle

Radius = n
Diameter 37993642
Circumference 119360546.59032
Area 1.1337354690192E+15

Sphere

Radius = n
Volume 2.8716493021746E+22
Surface area 4.534941876077E+15
Circumference 119360546.59032

Square

Length = n
Perimeter 75987284
Area 360879208106041
Diagonal 26865561.900174

Cube

Length = n
Surface area 2165275248636246
Volume 6.8555577190122E+21
Space diagonal 32903459.154291

Equilateral Triangle

Length = n
Perimeter 56990463
Area 1.5626528095872E+14
Altitude 16451729.577146

Triangular Pyramid

Length = n
Surface area 1.5626528095872E+14
Volume 8.0793522532155E+20
Height 8955187.300058