21006870 (number)

21006870 is an even 8-digits composite number following 21006869 and preceding 21006871. In scientific notation, it is written as 2.1006870 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 5601824 positive integers (up to 21006870) that are relatively prime to 21006870.

Interesting facts

Basic properties

Name

Name twenty-one million six thousand eight hundred seventy

Notation

Scientific notation 2.1006870 × 10^7
Engineering notation 2.1006870 × 10^6

Prime Factorization of 21006870

Prime Factorization 2 × 3 × 5 × 700229

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21006870
Product of the distinct prime numbers

The prime factorization of 21006870 is 2 × 3 × 5 × 700229. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21006870)

Multiplication

n×y
n×2 42013740
n×3 63020610
n×4 84027480
n×5 105034350

Division

n÷y
n÷2 10503435
n÷3 7002290
n÷3 5251717.5
n÷5 4201374

Exponentiation

ny
n2 441288587196900
n3 9.2700919837289E+21
n4 1.9473561719024E+29
n5 4.0907857946851E+36

Nth Root

y√n
2√n 4583.325212114
3√n 275.92249976922
4√n 67.700260059427
5√n 29.138840724352

Divisors of 21006870

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 -21006869
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 21006870 can be divided by 16 positive divisors. The sum of these divisors (counting 21006870) is 1, the average is 0.0625.

Base conversion 21006870

Base System Value
2 Binary 1010000001000101000010110
3 Ternary 1110112021000020
4 Quaternary 1100020220112
5 Quinary 20334204440
6 Senary 2030130010
8 Octal 120105026
10 Decimal 21006870
12 Duodecimal 7050906
16 Hexadecimal 1408a16
20 Vigesimal 6b5h3a
36 Base36 ci906

Cryptographic Hash Functions

md5 89da01504ef5087e604818cd28acbf62
sha1 8b0aa89356bdb2a8e97cccdea2bca19a844d418a
sha256 e26ca8c67363b8cdbf21a552084812685340c2b29cf6cf19564628570d1654c4
sha512 168b1aa5ebb32455f5a411a2cc745c7879d7b5a9be8755dba49a9b4de268d4d65fb75b973626d4f7b9c8fe55287bbf4bd2bca6b3fce830307e279a9c45fe5a90
ripemd-160 995204cc5ae205d3ebafa13623c37a7913ca8060

21006870 as geometric shapes

Circle

Radius = n
Diameter 42013740
Circumference 131990056.93383
Area 1.3863489836508E+15

Sphere

Radius = n
Volume 3.8830470498913E+22
Surface area 5.5453959346032E+15
Circumference 131990056.93383

Square

Length = n
Perimeter 84027480
Area 441288587196900
Diagonal 29708200.457008

Cube

Length = n
Surface area 2647731523181400
Volume 9.2700919837289E+21
Space diagonal 36384966.147994

Equilateral Triangle

Length = n
Perimeter 63020610
Area 1.9108356345633E+14
Altitude 18192483.073997

Triangular Pyramid

Length = n
Surface area 1.9108356345633E+14
Volume 1.0924908173196E+21
Height 9902733.4856695