21870906 (number)

21870906 is an even 8-digits composite number following 21870905 and preceding 21870907. In scientific notation, it is written as 2.1870906 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 7290300 positive integers (up to 21870906) that are relatively prime to 21870906.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred seventy thousand nine hundred six

Notation

Scientific notation 2.1870906 × 10^7
Engineering notation 2.1870906 × 10^6

Prime Factorization of 21870906

Prime Factorization 2 × 3 × 3645151

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21870906
Product of the distinct prime numbers

The prime factorization of 21870906 is 2 × 3 × 3645151. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21870906)

Multiplication

n×y
n×2 43741812
n×3 65612718
n×4 87483624
n×5 109354530

Division

n÷y
n÷2 10935453
n÷3 7290302
n÷3 5467726.5
n÷5 4374181.2

Exponentiation

ny
n2 478336529260836
n3 1.046165326783E+22
n4 2.288058352253E+29
n5 5.0041909144641E+36

Nth Root

y√n
2√n 4676.6340459779
3√n 279.65478714597
4√n 68.385919939546
5√n 29.374694243591

Divisors of 21870906

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 -21870905
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 21870906 can be divided by 8 positive divisors. The sum of these divisors (counting 21870906) is 1, the average is 0.125.

Base conversion 21870906

Base System Value
2 Binary 1010011011011100100111010
3 Ternary 1112011011020120
4 Quaternary 1103123210322
5 Quinary 21044332111
6 Senary 2100434110
8 Octal 123334472
10 Decimal 21870906
12 Duodecimal 73a8936
16 Hexadecimal 14db93a
20 Vigesimal 6gdh56
36 Base36 d0rp6

Cryptographic Hash Functions

md5 555d16c64fcc51475028d0de682975bf
sha1 85f089faf689f919b7f7a4952b1babe22d78fbe3
sha256 6b8884fc9f1f0edf67ec048f8abcd09c18de984af4253f465818b84031133bef
sha512 14c5b63ab00a2d93e8684d25fe7c1e3a1dc13c76065aed1868a5f7d5deebdbcc1231d5b2fb8d5210767fe22085788037e5e5f8915c79a75424d19227969e18b6
ripemd-160 e2824f097987b885900a130be9062bfa9bd36adf

21870906 as geometric shapes

Circle

Radius = n
Diameter 43741812
Circumference 137418955.23391
Area 1.5027385262695E+15

Sphere

Radius = n
Volume 4.3821670734158E+22
Surface area 6.0109541050779E+15
Circumference 137418955.23391

Square

Length = n
Perimeter 87483624
Area 478336529260836
Diagonal 30930131.886587

Cube

Length = n
Surface area 2870019175565016
Volume 1.046165326783E+22
Space diagonal 37881520.399563

Equilateral Triangle

Length = n
Perimeter 65612718
Area 2.0712579294898E+14
Altitude 18940760.199781

Triangular Pyramid

Length = n
Surface area 2.0712579294898E+14
Volume 1.2329176613508E+21
Height 10310043.962196