21551355 (number)

21551355 is an odd 8-digits composite number following 21551354 and preceding 21551356. In scientific notation, it is written as 2.1551355 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 9529920 positive integers (up to 21551355) that are relatively prime to 21551355.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-one thousand three hundred fifty-five

Notation

Scientific notation 2.1551355 × 10^7
Engineering notation 2.1551355 × 10^6

Prime Factorization of 21551355

Prime Factorization 21 × 15 × 31 × 2207

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21551355
Product of the distinct prime numbers

The prime factorization of 21551355 is 21 × 15 × 31 × 2207. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 10, 74, 4, 744, 604, 1794, 9597, 68746, 98900, 521565, 460343, 14588, 2151510, 53138671, 89583529, 191782984, 375519087, 6366239983, 1838014826

Basic calculations (n = 21551355)

Multiplication

n×y
n×2 43102710
n×3 64654065
n×4 86205420
n×5 107756775

Division

n÷y
n÷2 10775677.5
n÷3 7183785
n÷3 5387838.75
n÷5 4310271

Exponentiation

ny
n2 464460902336025
n3 1.0009761789864E+22
n4 2.1572392979879E+29
n5 4.6491429930889E+36

Nth Root

y√n
2√n 4642.3436968842
3√n 278.28610797921
4√n 68.134746619358
5√n 29.288350699411

Divisors of 21551355

1, 15, 21, 31, 315, 465, 651, 2207, 9765, 33105, 46347, 68417, 695205, 1026255, 1436757, 21551355

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 -21551354
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 21551355 can be divided by 16 positive divisors. The sum of these divisors (counting 21551355) is 1, the average is 0.0625.

Base conversion 21551355

Base System Value
2 Binary 1010010001101100011111011
3 Ternary 1111112220220100
4 Quaternary 1102031203323
5 Quinary 21004120410
6 Senary 2045530443
8 Octal 122154373
10 Decimal 21551355
12 Duodecimal 7273a23
16 Hexadecimal 148d8fb
20 Vigesimal 6edi7f
36 Base36 ctx4r

Cryptographic Hash Functions

md5 67880c18d37ba81df7d0eaba67a5b68e
sha1 f7fdae4535b9ce43848fbe1827b9a2a83fcc02a0
sha256 b18d4344cb01f5033a541790ea1ef90407af70fc4221fc10d226bb0bd7ce11d3
sha512 d59a12dae2b4975e3428f9e3781781909493dd482c5696026db64b32e64ca3615d51b940e9c3f9a10f7ea8cfb5a6c622f3853887fec0024a1ce04ab7f321acf8
ripemd-160 ac65923021790b564eed211ee58bb3f48c130cf8

21551355 as geometric shapes

Circle

Radius = n
Diameter 43102710
Circumference 135411157.08581
Area 1.4591469586585E+15

Sphere

Radius = n
Volume 4.1928792137627E+22
Surface area 5.8365878346342E+15
Circumference 135411157.08581

Square

Length = n
Perimeter 86205420
Area 464460902336025
Diagonal 30478218.528517

Cube

Length = n
Surface area 2786765414016150
Volume 1.0009761789864E+22
Space diagonal 37328041.831954

Equilateral Triangle

Length = n
Perimeter 64654065
Area 2.0111747024382E+14
Altitude 18664020.915977

Triangular Pyramid

Length = n
Surface area 2.0111747024382E+14
Volume 1.1796617399458E+21
Height 10159406.176172