21690844 (number)

21690844 is an even 8-digits composite number following 21690843 and preceding 21690845. In scientific notation, it is written as 2.1690844 × 10^7. The sum of its digits is 34. It has a total of 5 prime factors and 24 positive divisors. There are 8749056 positive integers (up to 21690844) that are relatively prime to 21690844.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred ninety thousand eight hundred forty-four

Notation

Scientific notation 2.1690844 × 10^7
Engineering notation 2.1690844 × 10^6

Prime Factorization of 21690844

Prime Factorization 2 × 2 × 7 × 17 × 45569

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10845422
Product of the distinct prime numbers

The prime factorization of 21690844 is 2 × 2 × 7 × 17 × 45569. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 7, 57, 56, 417, 944, 6737, 5083, 53727, 75541, 842273, 174859, 2182824, 1282010, 31426023, 73808876, 948792188, 256394961, 4394481942, 3481051932

Basic calculations (n = 21690844)

Multiplication

n×y
n×2 43381688
n×3 65072532
n×4 86763376
n×5 108454220

Division

n÷y
n÷2 10845422
n÷3 7230281.3333333
n÷3 5422711
n÷5 4338168.8

Exponentiation

ny
n2 470492713432336
n3 1.0205384050198E+22
n4 2.2136339339292E+29
n5 4.8015588333965E+36

Nth Root

y√n
2√n 4657.343019362
3√n 278.88521033321
4√n 68.244728876024
5√n 29.326166110046

Divisors of 21690844

1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 45569, 91138, 182276, 318983, 637966, 774673, 1275932, 1549346, 3098692, 5422711, 10845422, 21690844

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 -21690843
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 21690844 can be divided by 24 positive divisors. The sum of these divisors (counting 21690844) is 1, the average is 0.041666666666667.

Base conversion 21690844

Base System Value
2 Binary 1010010101111100111011100
3 Ternary 1111211000020121
4 Quaternary 1102233213130
5 Quinary 21023101334
6 Senary 2052524324
8 Octal 122574734
10 Decimal 21690844
12 Duodecimal 73206a4
16 Hexadecimal 14af9dc
20 Vigesimal 6fb724
36 Base36 cwwrg

Cryptographic Hash Functions

md5 96c51394c3d632d5c6ed104160e02889
sha1 a56aaebeeb677cfec4007ca3e9b68cf1da2f39b4
sha256 d53a1f8d26c5ba4bc3815c5f4b7ee233d63564b3d51793d3ffc39a3df08d771e
sha512 58932c8608974b652e3ccb0a14988b4b3eb92810e4dac0131da87007e48439002d82d76ee2defe22cf0474f21276301456ea832a69ba0e0fe6d0ea4defc661d6
ripemd-160 ffa479138e3ca94d1f813b432b3fca2cb3d965d2

21690844 as geometric shapes

Circle

Radius = n
Diameter 43381688
Circumference 136287592.32112
Area 1.4780964520866E+15

Sphere

Radius = n
Volume 4.2748212745551E+22
Surface area 5.9123858083462E+15
Circumference 136287592.32112

Square

Length = n
Perimeter 86763376
Area 470492713432336
Diagonal 30675485.764119

Cube

Length = n
Surface area 2822956280594016
Volume 1.0205384050198E+22
Space diagonal 37569643.867051

Equilateral Triangle

Length = n
Perimeter 65072532
Area 2.0372932106394E+14
Altitude 18784821.933525

Triangular Pyramid

Length = n
Surface area 2.0372932106394E+14
Volume 1.2027160444179E+21
Height 10225161.921373