21551870 (number)

21551870 is an even 8-digits composite number following 21551869 and preceding 21551871. In scientific notation, it is written as 2.1551870 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 8620744 positive integers (up to 21551870) that are relatively prime to 21551870.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-one thousand eight hundred seventy

Notation

Scientific notation 2.1551870 × 10^7
Engineering notation 2.1551870 × 10^6

Prime Factorization of 21551870

Prime Factorization 2 × 5 × 2155187

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21551870
Product of the distinct prime numbers

The prime factorization of 21551870 is 2 × 5 × 2155187. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21551870)

Multiplication

n×y
n×2 43103740
n×3 64655610
n×4 86207480
n×5 107759350

Division

n÷y
n÷2 10775935
n÷3 7183956.6666667
n÷3 5387967.5
n÷5 4310374

Exponentiation

ny
n2 464483100496900
n3 1.0010479399106E+22
n4 2.1574455064721E+29
n5 4.6496985087572E+36

Nth Root

y√n
2√n 4642.3991642253
3√n 278.28832464113
4√n 68.135153659659
5√n 29.288490675356

Divisors of 21551870

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 -21551869
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 21551870 can be divided by 8 positive divisors. The sum of these divisors (counting 21551870) is 1, the average is 0.125.

Base conversion 21551870

Base System Value
2 Binary 1010010001101101011111110
3 Ternary 1111112221121102
4 Quaternary 1102031223332
5 Quinary 21004124440
6 Senary 2045533102
8 Octal 122155376
10 Decimal 21551870
12 Duodecimal 7274192
16 Hexadecimal 148dafe
20 Vigesimal 6edjda
36 Base36 ctxj2

Cryptographic Hash Functions

md5 51c2c359ada8717d5f9fe902d6442d49
sha1 7f97bfa883df5de50dbda4f757a02e4fcf1e23d7
sha256 5450cc93704a485ae71c3147d4ae1983045e2d0cc9ab23df12c30ce624923d9e
sha512 7aa5fb79dcfd802dc5237c40361240877cb4e64ec85c6297b9a9f17b3ff87d593bb630c3ce476dad7423a0fb1fd0a549287029a644205d476650b36d436d3223
ripemd-160 b010b2447b69d2b8a6ae051c5bec24320e1075ef

21551870 as geometric shapes

Circle

Radius = n
Diameter 43103740
Circumference 135414392.92624
Area 1.4592166962377E+15

Sphere

Radius = n
Volume 4.1931798052192E+22
Surface area 5.8368667849507E+15
Circumference 135414392.92624

Square

Length = n
Perimeter 86207480
Area 464483100496900
Diagonal 30478946.848502

Cube

Length = n
Surface area 2786898602981400
Volume 1.0010479399106E+22
Space diagonal 37328933.838119

Equilateral Triangle

Length = n
Perimeter 64655610
Area 2.0112708232944E+14
Altitude 18664466.91906

Triangular Pyramid

Length = n
Surface area 2.0112708232944E+14
Volume 1.179746311006E+21
Height 10159648.949501