21551289 (number)

21551289 is an odd 8-digits composite number following 21551288 and preceding 21551290. In scientific notation, it is written as 2.1551289 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 14335440 positive integers (up to 21551289) that are relatively prime to 21551289.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-one thousand two hundred eighty-nine

Notation

Scientific notation 2.1551289 × 10^7
Engineering notation 2.1551289 × 10^6

Prime Factorization of 21551289

Prime Factorization 3 × 461 × 15583

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21551289
Product of the distinct prime numbers

The prime factorization of 21551289 is 3 × 461 × 15583. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21551289)

Multiplication

n×y
n×2 43102578
n×3 64653867
n×4 86205156
n×5 107756445

Division

n÷y
n÷2 10775644.5
n÷3 7183763
n÷3 5387822.25
n÷5 4310257.8

Exponentiation

ny
n2 464458057561521
n3 1.0009669826887E+22
n4 2.1572128723382E+29
n5 4.6490718046281E+36

Nth Root

y√n
2√n 4642.3365884003
3√n 278.28582389959
4√n 68.134694454443
5√n 29.288332760552

Divisors of 21551289

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21551288
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21551289 can be divided by 8 positive divisors. The sum of these divisors (counting 21551289) is 1, the average is 0.125.

Base conversion 21551289

Base System Value
2 Binary 1010010001101100010111001
3 Ternary 1111112220210220
4 Quaternary 1102031202321
5 Quinary 21004120124
6 Senary 2045530253
8 Octal 122154271
10 Decimal 21551289
12 Duodecimal 7273989
16 Hexadecimal 148d8b9
20 Vigesimal 6edi49
36 Base36 ctx2x

Cryptographic Hash Functions

md5 fd0480a4d2ea5b1efde1b700f6dd943d
sha1 eceaef421b41f12c9fd592a7f8b55704a256ce9e
sha256 837a4903d9a0376a79bd36e346fc5536ee29d8c40a9234bbfa8ad296686edef5
sha512 15034ca3f456692a718ef25505ee73cddff5265b746e4a75894381425e828f3d7e9263f1cf5dfcfbe67f701ba309a251d470dbca5d72c2557bbcf954c32c2ca2
ripemd-160 7c7cfcf8de7d55f8b0b9c8967c63cdf0b603fef7

21551289 as geometric shapes

Circle

Radius = n
Diameter 43102578
Circumference 135410742.39558
Area 1.4591380215359E+15

Sphere

Radius = n
Volume 4.192840692401E+22
Surface area 5.8365520861434E+15
Circumference 135410742.39558

Square

Length = n
Perimeter 86205156
Area 464458057561521
Diagonal 30478125.190422

Cube

Length = n
Surface area 2786748345369126
Volume 1.0009669826887E+22
Space diagonal 37327927.5166

Equilateral Triangle

Length = n
Perimeter 64653867
Area 2.0111623842033E+14
Altitude 18663963.7583

Triangular Pyramid

Length = n
Surface area 2.0111623842033E+14
Volume 1.179650902005E+21
Height 10159375.063474