21551187 (number)

21551187 is an odd 8-digits composite number following 21551186 and preceding 21551188. In scientific notation, it is written as 2.1551187 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 11666592 positive integers (up to 21551187) that are relatively prime to 21551187.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1551187 × 10^7
Engineering notation 2.1551187 × 10^6

Prime Factorization of 21551187

Prime Factorization 21 × 19 × 54013

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21551187
Product of the distinct prime numbers

The prime factorization of 21551187 is 21 × 19 × 54013. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21551187)

Multiplication

n×y
n×2 43102374
n×3 64653561
n×4 86204748
n×5 107755935

Division

n÷y
n÷2 10775593.5
n÷3 7183729
n÷3 5387796.75
n÷5 4310237.4

Exponentiation

ny
n2 464453661108969
n3 1.0009527703394E+22
n4 2.1571720331753E+29
n5 4.648961787813E+36

Nth Root

y√n
2√n 4642.3256025402
3√n 278.28538486632
4√n 68.134613835702
5√n 29.288305036776

Divisors of 21551187

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 -21551186
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 21551187 can be divided by 8 positive divisors. The sum of these divisors (counting 21551187) is 1, the average is 0.125.

Base conversion 21551187

Base System Value
2 Binary 1010010001101100001010011
3 Ternary 1111112220200010
4 Quaternary 1102031201103
5 Quinary 21004114222
6 Senary 2045530003
8 Octal 122154123
10 Decimal 21551187
12 Duodecimal 7273903
16 Hexadecimal 148d853
20 Vigesimal 6edhj7
36 Base36 ctx03

Cryptographic Hash Functions

md5 f042be632e3ecbb57b1048e8cb864421
sha1 7fa6075faa88be2f1b20412039c46726c0a08932
sha256 85873691ee7a7e89b513ca73c28c1800482569e971c243f12dd19c34f8d98ab9
sha512 2fb733cf3bf57a0d4bda4b0153b0955e12127c261c5d82e9ebbbf0987217131ecca4ad62fa3f792255a1b92c51d0e37b174667a5534605899df37567bda84215
ripemd-160 86da2566447e3b558d3aca187baa1346136509dd

21551187 as geometric shapes

Circle

Radius = n
Diameter 43102374
Circumference 135410101.51068
Area 1.4591242096728E+15

Sphere

Radius = n
Volume 4.1927811598515E+22
Surface area 5.8364968386913E+15
Circumference 135410101.51068

Square

Length = n
Perimeter 86204748
Area 464453661108969
Diagonal 30477980.940639

Cube

Length = n
Surface area 2786721966653814
Volume 1.0009527703394E+22
Space diagonal 37327750.847418

Equilateral Triangle

Length = n
Perimeter 64653561
Area 2.0111433470053E+14
Altitude 18663875.423709

Triangular Pyramid

Length = n
Surface area 2.0111433470053E+14
Volume 1.1796341525908E+21
Height 10159326.980213