21690868 (number)

21690868 is an even 8-digits composite number following 21690867 and preceding 21690869. In scientific notation, it is written as 2.1690868 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors. There are 10667520 positive integers (up to 21690868) that are relatively prime to 21690868.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred ninety thousand eight hundred sixty-eight

Notation

Scientific notation 2.1690868 × 10^7
Engineering notation 2.1690868 × 10^6

Prime Factorization of 21690868

Prime Factorization 2 × 2 × 61 × 88897

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10845434
Product of the distinct prime numbers

The prime factorization of 21690868 is 2 × 2 × 61 × 88897. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 1, 7, 85, 351, 480, 6402, 9816, 80604, 34992, 75013, 3294, 6205869, 7068864, 79417255, 24175609, 722361929, 307344933, 9727720700, 4202637320

Basic calculations (n = 21690868)

Multiplication

n×y
n×2 43381736
n×3 65072604
n×4 86763472
n×5 108454340

Division

n÷y
n÷2 10845434
n÷3 7230289.3333333
n÷3 5422717
n÷5 4338173.6

Exponentiation

ny
n2 470493754593424
n3 1.020541792571E+22
n4 2.2136437311142E+29
n5 4.8015853970625E+36

Nth Root

y√n
2√n 4657.3455959377
3√n 278.88531319139
4√n 68.244747753491
5√n 29.326172599676

Divisors of 21690868

1, 2, 4, 61, 122, 244, 88897, 177794, 355588, 5422717, 10845434, 21690868

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21690867
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21690868 can be divided by 12 positive divisors. The sum of these divisors (counting 21690868) is 1, the average is 0.083333333333333.

Base conversion 21690868

Base System Value
2 Binary 1010010101111100111110100
3 Ternary 1111211000021111
4 Quaternary 1102233213310
5 Quinary 21023101433
6 Senary 2052524404
8 Octal 122574764
10 Decimal 21690868
12 Duodecimal 7320704
16 Hexadecimal 14af9f4
20 Vigesimal 6fb738
36 Base36 cwws4

Cryptographic Hash Functions

md5 37af95104ae5a4a10179b95b0e4f632e
sha1 e29b8d82417912d8f774f61073008c858176c122
sha256 b0281263253705c71582814e9f0ecfe048a52cf43da07a1812652ad8e7b7ab4e
sha512 88435c5a82ae22596048c4f2215b6dc764cb20b998d4d1d9bcbae14d78ae32a69d711fb2ebb8231bd53f770d82b1650e266f28b4e9f0312c9448170c96972a76
ripemd-160 c9fcd29a388776faa100b077dde517e12a2382c1

21690868 as geometric shapes

Circle

Radius = n
Diameter 43381736
Circumference 136287743.11757
Area 1.4780997229906E+15

Sphere

Radius = n
Volume 4.2748354642967E+22
Surface area 5.9123988919623E+15
Circumference 136287743.11757

Square

Length = n
Perimeter 86763472
Area 470493754593424
Diagonal 30675519.705245

Cube

Length = n
Surface area 2822962527560544
Volume 1.020541792571E+22
Space diagonal 37569685.43627

Equilateral Triangle

Length = n
Perimeter 65072604
Area 2.0372977189991E+14
Altitude 18784842.718135

Triangular Pyramid

Length = n
Surface area 2.0372977189991E+14
Volume 1.2027200366854E+21
Height 10225173.235082