21551238 (number)

21551238 is an even 8-digits composite number following 21551237 and preceding 21551239. In scientific notation, it is written as 2.1551238 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 16 positive divisors. There are 7183728 positive integers (up to 21551238) that are relatively prime to 21551238.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-one thousand two hundred thirty-eight

Notation

Scientific notation 2.1551238 × 10^7
Engineering notation 2.1551238 × 10^6

Prime Factorization of 21551238

Prime Factorization 2 × 3 × 3 × 3 × 399097

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 2394582
Product of the distinct prime numbers

The prime factorization of 21551238 is 2 × 3 × 3 × 3 × 399097. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 4, 55, 29, 558, 165, 1626, 9509, 81287, 58489, 445836, 309546, 1320725, 1825841, 52042558, 80101720, 646015365, 346942037, 4029310143, 4504173960

Basic calculations (n = 21551238)

Multiplication

n×y
n×2 43102476
n×3 64653714
n×4 86204952
n×5 107756190

Division

n÷y
n÷2 10775619
n÷3 7183746
n÷3 5387809.5
n÷5 4310247.6

Exponentiation

ny
n2 464455859332644
n3 1.0009598764972E+22
n4 2.1571924526842E+29
n5 4.6490167959602E+36

Nth Root

y√n
2√n 4642.3310954735
3√n 278.28560438313
4√n 68.134654145108
5√n 29.288318898677

Divisors of 21551238

1, 2, 3, 6, 9, 18, 27, 54, 399097, 798194, 1197291, 2394582, 3591873, 7183746, 10775619, 21551238

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 -21551237
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 21551238 can be divided by 16 positive divisors. The sum of these divisors (counting 21551238) is 1, the average is 0.0625.

Base conversion 21551238

Base System Value
2 Binary 1010010001101100010000110
3 Ternary 1111112220202000
4 Quaternary 1102031202012
5 Quinary 21004114423
6 Senary 2045530130
8 Octal 122154206
10 Decimal 21551238
12 Duodecimal 7273946
16 Hexadecimal 148d886
20 Vigesimal 6edi1i
36 Base36 ctx1i

Cryptographic Hash Functions

md5 19abd080353277c04a6a0d9a037aaf23
sha1 70a3a00bfe0847a569a52267992f4d8d88b09996
sha256 c3fc9d9a7cdda98817c1cb3b1d219f2172e97d7c741f0e0c417a988f08cb1433
sha512 cf9fc2055e7454a9c3cfa53a2fee5a05bf63f7add9d363bd4221453d479a670be455903f23ec4a5b15e2a1637647d33afb3e72433fedb71d366dec500c237d9c
ripemd-160 26258f55cf73ce1c4b95f6dea2cfb1867825dbf0

21551238 as geometric shapes

Circle

Radius = n
Diameter 43102476
Circumference 135410421.95313
Area 1.4591311155962E+15

Sphere

Radius = n
Volume 4.1928109260558E+22
Surface area 5.8365244623847E+15
Circumference 135410421.95313

Square

Length = n
Perimeter 86204952
Area 464455859332644
Diagonal 30478053.06553

Cube

Length = n
Surface area 2786735155995864
Volume 1.0009598764972E+22
Space diagonal 37327839.182009

Equilateral Triangle

Length = n
Perimeter 64653714
Area 2.011152865593E+14
Altitude 18663919.591005

Triangular Pyramid

Length = n
Surface area 2.011152865593E+14
Volume 1.1796425272781E+21
Height 10159351.021843