21821838 (number)

21821838 is an even 8-digits composite number following 21821837 and preceding 21821839. In scientific notation, it is written as 2.1821838 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 7273944 positive integers (up to 21821838) that are relatively prime to 21821838.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred twenty-one thousand eight hundred thirty-eight

Notation

Scientific notation 2.1821838 × 10^7
Engineering notation 2.1821838 × 10^6

Prime Factorization of 21821838

Prime Factorization 2 × 3 × 3636973

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21821838
Product of the distinct prime numbers

The prime factorization of 21821838 is 2 × 3 × 3636973. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 10, 100, 99, 959, 519, 4316, 9998, 83595, 7325, 119603, 399181, 9985670, 5429464, 39901777, 98289937, 931187421, 126461907, 5161838132, 374789067

Basic calculations (n = 21821838)

Multiplication

n×y
n×2 43643676
n×3 65465514
n×4 87287352
n×5 109109190

Division

n÷y
n÷2 10910919
n÷3 7273946
n÷3 5455459.5
n÷5 4364367.6

Exponentiation

ny
n2 476192613698244
n3 1.039139807292E+22
n4 2.2675940534077E+29
n5 4.9483070083225E+36

Nth Root

y√n
2√n 4671.3850194562
3√n 279.44549272411
4√n 68.347531187719
5√n 29.361501806737

Divisors of 21821838

1, 2, 3, 6, 3636973, 7273946, 10910919, 21821838

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 -21821837
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 21821838 can be divided by 8 positive divisors. The sum of these divisors (counting 21821838) is 1, the average is 0.125.

Base conversion 21821838

Base System Value
2 Binary 1010011001111100110001110
3 Ternary 1112001122221020
4 Quaternary 1103033212032
5 Quinary 21041244323
6 Senary 2055415010
8 Octal 123174616
10 Decimal 21821838
12 Duodecimal 7384466
16 Hexadecimal 14cf98e
20 Vigesimal 6g7ebi
36 Base36 czpu6

Cryptographic Hash Functions

md5 b64ca2f44a16a188173bc67db6d87924
sha1 19770f9d03021dfd0fe098a14243e5954d6220fc
sha256 a7c9400e883fefa6db8cc6a5effcf277888bb12532007ea2f64402d4dc49cb90
sha512 5807ad046a10d3e182f73f005950b917cdc66f8876de363fc123d6ea3197d64b33bbb28de603ba2fb8ac865598144c84f7672ddfe03d26d2097a052441ea026f
ripemd-160 bbe0ed8a0fc87178c2641734ff658974a06b2d25

21821838 as geometric shapes

Circle

Radius = n
Diameter 43643676
Circumference 137110651.89725
Area 1.4960032168881E+15

Sphere

Radius = n
Volume 4.3527386461882E+22
Surface area 5.9840128675525E+15
Circumference 137110651.89725

Square

Length = n
Perimeter 87287352
Area 476192613698244
Diagonal 30860739.255509

Cube

Length = n
Surface area 2857155682189464
Volume 1.039139807292E+22
Space diagonal 37796532.130537

Equilateral Triangle

Length = n
Perimeter 65465514
Area 2.0619745027859E+14
Altitude 18898266.065269

Triangular Pyramid

Length = n
Surface area 2.0619745027859E+14
Volume 1.2246380072284E+21
Height 10286913.08517