21872009 (number)

21872009 is an odd 8-digits composite number following 21872008 and preceding 21872010. In scientific notation, it is written as 2.1872009 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 21855504 positive integers (up to 21872009) that are relatively prime to 21872009.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1872009 × 10^7
Engineering notation 2.1872009 × 10^6

Prime Factorization of 21872009

Prime Factorization 1453 × 15053

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21872009
Product of the distinct prime numbers

The prime factorization of 21872009 is 1453 × 15053. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 6, 66, 58, 835, 74, 8885, 3874, 42026, 78809, 847059, 128243, 9750500, 3581415, 46110920, 83820053, 218504604, 434092552, 7149519269, 2994169384

Basic calculations (n = 21872009)

Multiplication

n×y
n×2 43744018
n×3 65616027
n×4 87488036
n×5 109360045

Division

n÷y
n÷2 10936004.5
n÷3 7290669.6666667
n÷3 5468002.25
n÷5 4374401.8

Exponentiation

ny
n2 478384777696081
n3 1.0463236163232E+22
n4 2.2885199553133E+29
n5 5.0054529059292E+36

Nth Root

y√n
2√n 4676.7519711868
3√n 279.65948827792
4√n 68.386782137975
5√n 29.374990524268

Divisors of 21872009

1, 1453, 15053, 21872009

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21872008
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21872009 can be divided by 4 positive divisors. The sum of these divisors (counting 21872009) is 1, the average is 0.25.

Base conversion 21872009

Base System Value
2 Binary 1010011011011110110001001
3 Ternary 1112011012202102
4 Quaternary 1103123312021
5 Quinary 21044401014
6 Senary 2100443145
8 Octal 123336611
10 Decimal 21872009
12 Duodecimal 73a94b5
16 Hexadecimal 14dbd89
20 Vigesimal 6ge009
36 Base36 d0sjt

Cryptographic Hash Functions

md5 a899f957d43e16612fd39b0f1b3f5eb6
sha1 3e38bdb364b0acddbf654545c15d8e95e01fcdf7
sha256 1c302c5fa63809a084769fed55347a74debfcb0abd2622923cb2fbd9034048ab
sha512 9b2f420b002b4fe7ab1cf434748b4ef829dc042d6567861fa78161f34f9d442014a20906e908c791f644349c1cc60004e8cc006700330c5a91a6f78bb64c0180
ripemd-160 332fa95b084b380a366b93b4e356e2d5a9b82d5d

21872009 as geometric shapes

Circle

Radius = n
Diameter 43744018
Circumference 137425885.5873
Area 1.5028901031992E+15

Sphere

Radius = n
Volume 4.3828301150912E+22
Surface area 6.0115604127968E+15
Circumference 137425885.5873

Square

Length = n
Perimeter 87488036
Area 478384777696081
Diagonal 30931691.764146

Cube

Length = n
Surface area 2870308666176486
Volume 1.0463236163232E+22
Space diagonal 37883430.851604

Equilateral Triangle

Length = n
Perimeter 65616027
Area 2.0714668513429E+14
Altitude 18941715.425802

Triangular Pyramid

Length = n
Surface area 2.0714668513429E+14
Volume 1.2331042073629E+21
Height 10310563.921382