21556738 (number)

21556738 is an even 8-digits composite number following 21556737 and preceding 21556739. In scientific notation, it is written as 2.1556738 × 10^7. The sum of its digits is 37. It has a total of 5 prime factors and 24 positive divisors. There are 8992080 positive integers (up to 21556738) that are relatively prime to 21556738.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-six thousand seven hundred thirty-eight

Notation

Scientific notation 2.1556738 × 10^7
Engineering notation 2.1556738 × 10^6

Prime Factorization of 21556738

Prime Factorization 2 × 7 × 47 × 181 × 181

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 119098
Product of the distinct prime numbers

The prime factorization of 21556738 is 2 × 7 × 47 × 181 × 181. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 5, 1, 3, 218, 242, 4955, 8604, 81901, 43259, 112889, 606264, 6246574, 389086, 19799857, 93183361, 209666261, 801148938, 4291671931, 4063127005

Basic calculations (n = 21556738)

Multiplication

n×y
n×2 43113476
n×3 64670214
n×4 86226952
n×5 107783690

Division

n÷y
n÷2 10778369
n÷3 7185579.3333333
n÷3 5389184.5
n÷5 4311347.6

Exponentiation

ny
n2 464692953200644
n3 1.0017264242593E+22
n4 2.1593954075434E+29
n5 4.6549521038815E+36

Nth Root

y√n
2√n 4642.9234324938
3√n 278.3092757323
4√n 68.139000818135
5√n 29.289813655614

Divisors of 21556738

1, 2, 7, 14, 47, 94, 181, 329, 362, 658, 1267, 2534, 8507, 17014, 32761, 59549, 65522, 119098, 229327, 458654, 1539767, 3079534, 10778369, 21556738

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 -21556737
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 21556738 can be divided by 24 positive divisors. The sum of these divisors (counting 21556738) is 1, the average is 0.041666666666667.

Base conversion 21556738

Base System Value
2 Binary 1010010001110111000000010
3 Ternary 1111120012021201
4 Quaternary 1102032320002
5 Quinary 21004303423
6 Senary 2050011414
8 Octal 122167002
10 Decimal 21556738
12 Duodecimal 7276b6a
16 Hexadecimal 148ee02
20 Vigesimal 6eebgi
36 Base36 cu1aa

Cryptographic Hash Functions

md5 eda38d84b40c7fad24774e57dea4e9a9
sha1 38c538757eaa4ccd3a180307672addf52cf6161a
sha256 7898d572091b90156b2e25c2a065c5aa8247b0ff1174969bace0235950c1a620
sha512 c26c701c0c8a97fe97caa72b2d93827af3c6d9cd01251e190939c2aaf77b2a7119635b472a63b286d980ffeb8b060a84901988b5cc23e0cfc4cc54c7d54d4bfb
ripemd-160 15b4011f1c317989e8f99ad0c8630e32c07aa914

21556738 as geometric shapes

Circle

Radius = n
Diameter 43113476
Circumference 135444979.47232
Area 1.4598759679501E+15

Sphere

Radius = n
Volume 4.1960218338129E+22
Surface area 5.8395038718004E+15
Circumference 135444979.47232

Square

Length = n
Perimeter 86226952
Area 464692953200644
Diagonal 30485831.240123

Cube

Length = n
Surface area 2788157719203864
Volume 1.0017264242593E+22
Space diagonal 37337365.461451

Equilateral Triangle

Length = n
Perimeter 64670214
Area 2.0121795121569E+14
Altitude 18668682.730725

Triangular Pyramid

Length = n
Surface area 2.0121795121569E+14
Volume 1.1805459124791E+21
Height 10161943.746708