21551485 (number)

21551485 is an odd 8-digits composite number following 21551484 and preceding 21551486. In scientific notation, it is written as 2.1551485 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 17150160 positive integers (up to 21551485) that are relatively prime to 21551485.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1551485 × 10^7
Engineering notation 2.1551485 × 10^6

Prime Factorization of 21551485

Prime Factorization 5 × 191 × 22567

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21551485
Product of the distinct prime numbers

The prime factorization of 21551485 is 5 × 191 × 22567. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21551485)

Multiplication

n×y
n×2 43102970
n×3 64654455
n×4 86205940
n×5 107757425

Division

n÷y
n÷2 10775742.5
n÷3 7183828.3333333
n÷3 5387871.25
n÷5 4310297

Exponentiation

ny
n2 464466505705225
n3 1.0009942930709E+22
n4 2.1572913492202E+29
n5 4.6492832153349E+36

Nth Root

y√n
2√n 4642.3576984114
3√n 278.28666752827
4√n 68.134849368084
5√n 29.288386033397

Divisors of 21551485

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 -21551484
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 21551485 can be divided by 8 positive divisors. The sum of these divisors (counting 21551485) is 1, the average is 0.125.

Base conversion 21551485

Base System Value
2 Binary 1010010001101100101111101
3 Ternary 1111112221002011
4 Quaternary 1102031211331
5 Quinary 21004121420
6 Senary 2045531221
8 Octal 122154575
10 Decimal 21551485
12 Duodecimal 7273b11
16 Hexadecimal 148d97d
20 Vigesimal 6edie5
36 Base36 ctx8d

Cryptographic Hash Functions

md5 2bd0c36ccead65b9edc57909d2e841d0
sha1 8c388f3d2fe85421bd367601a4ab7663fe25d289
sha256 781e72d6504c7aad1e9e020c091db153d98ad913bc39b93b26d69e2f5d16317a
sha512 8c48f6afc4517193dd2f9be310076cbb9f06888ac00ae74fe08685937b33e7fd889ec6bd3a956323bf73799a3949a269cfed5084ca2dbdd34b194eef646fc844
ripemd-160 ce3d947cc601336cfcb0b3bd636a1c84ef26501f

21551485 as geometric shapes

Circle

Radius = n
Diameter 43102970
Circumference 135411973.8999
Area 1.4591645621621E+15

Sphere

Radius = n
Volume 4.1929550898623E+22
Surface area 5.8366582486482E+15
Circumference 135411973.8999

Square

Length = n
Perimeter 86205940
Area 464466505705225
Diagonal 30478402.37628

Cube

Length = n
Surface area 2786799034231350
Volume 1.0009942930709E+22
Space diagonal 37328266.998559

Equilateral Triangle

Length = n
Perimeter 64654455
Area 2.0111989657386E+14
Altitude 18664133.499279

Triangular Pyramid

Length = n
Surface area 2.0111989657386E+14
Volume 1.1796830875991E+21
Height 10159467.45876