21551490 (number)

21551490 is an even 8-digits composite number following 21551489 and preceding 21551491. In scientific notation, it is written as 2.1551490 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 5747040 positive integers (up to 21551490) that are relatively prime to 21551490.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-one thousand four hundred ninety

Notation

Scientific notation 2.1551490 × 10^7
Engineering notation 2.1551490 × 10^6

Prime Factorization of 21551490

Prime Factorization 2 × 3 × 15 × 239461

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21551490
Product of the distinct prime numbers

The prime factorization of 21551490 is 2 × 3 × 15 × 239461. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 4, 65, 97, 217, 357, 1858, 809, 49939, 42178, 180322, 11423, 6700079, 771080, 6430281, 67454989, 622824456, 293812144, 3687687401, 2903502464

Basic calculations (n = 21551490)

Multiplication

n×y
n×2 43102980
n×3 64654470
n×4 86205960
n×5 107757450

Division

n÷y
n÷2 10775745
n÷3 7183830
n÷3 5387872.5
n÷5 4310298

Exponentiation

ny
n2 464466721220100
n3 1.0009949897708E+22
n4 2.1572933512095E+29
n5 4.6492886085658E+36

Nth Root

y√n
2√n 4642.3582369309
3√n 278.28668904934
4√n 68.134853319948
5√n 29.288387392393

Divisors of 21551490

1, 2, 3, 6, 15, 30, 45, 90, 239461, 478922, 718383, 1436766, 3591915, 7183830, 10775745, 21551490

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21551489
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21551490 can be divided by 16 positive divisors. The sum of these divisors (counting 21551490) is 1, the average is 0.0625.

Base conversion 21551490

Base System Value
2 Binary 1010010001101100110000010
3 Ternary 1111112221002100
4 Quaternary 1102031212002
5 Quinary 21004121430
6 Senary 2045531230
8 Octal 122154602
10 Decimal 21551490
12 Duodecimal 7273b16
16 Hexadecimal 148d982
20 Vigesimal 6ediea
36 Base36 ctx8i

Cryptographic Hash Functions

md5 f01b9dc77c2cb728e3d7e7f1d59f1d9f
sha1 e2604ea7a47f695d355349b6fbc0228c3e376741
sha256 e7fe8c0f0435c2e51e23ead75ecf7af8807580801b9e135234457626dbf1c5da
sha512 e3c149ef0d44bb3e6871bf7d49020018f77d41250db73e5cfedee3ce94db88490e66939f0a0dc77c0275f716931c924af26198b17ddf9217f88f02b6b516e7e7
ripemd-160 94552d59e7813af32d25e92d467d80e83e6a8242

21551490 as geometric shapes

Circle

Radius = n
Diameter 43102980
Circumference 135412005.31583
Area 1.459165239222E+15

Sphere

Radius = n
Volume 4.1929580081921E+22
Surface area 5.836660956888E+15
Circumference 135412005.31583

Square

Length = n
Perimeter 86205960
Area 464466721220100
Diagonal 30478409.447348

Cube

Length = n
Surface area 2786800327320600
Volume 1.0009949897708E+22
Space diagonal 37328275.658813

Equilateral Triangle

Length = n
Perimeter 64654470
Area 2.0111998989454E+14
Altitude 18664137.829406

Triangular Pyramid

Length = n
Surface area 2.0111998989454E+14
Volume 1.1796839086678E+21
Height 10159469.815783