21872008 (number)

21872008 is an even 8-digits composite number following 21872007 and preceding 21872009. In scientific notation, it is written as 2.1872008 × 10^7. The sum of its digits is 28. It has a total of 6 prime factors and 32 positive divisors. There are 10644160 positive integers (up to 21872008) that are relatively prime to 21872008.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1872008 × 10^7
Engineering notation 2.1872008 × 10^6

Prime Factorization of 21872008

Prime Factorization 2 × 2 × 2 × 59 × 149 × 311

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5468002
Product of the distinct prime numbers

The prime factorization of 21872008 is 2 × 2 × 2 × 59 × 149 × 311. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21872008)

Multiplication

n×y
n×2 43744016
n×3 65616024
n×4 87488032
n×5 109360040

Division

n÷y
n÷2 10936004
n÷3 7290669.3333333
n÷3 5468002
n÷5 4374401.6

Exponentiation

ny
n2 478384733952064
n3 1.0463234728077E+22
n4 2.2885195367839E+29
n5 5.0054517616693E+36

Nth Root

y√n
2√n 4676.751864275
3√n 279.65948401586
4√n 68.386781356305
5√n 29.37499025566

Divisors of 21872008

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21872007
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21872008 can be divided by 32 positive divisors. The sum of these divisors (counting 21872008) is 1, the average is 0.03125.

Base conversion 21872008

Base System Value
2 Binary 1010011011011110110001000
3 Ternary 1112011012202101
4 Quaternary 1103123312020
5 Quinary 21044401013
6 Senary 2100443144
8 Octal 123336610
10 Decimal 21872008
12 Duodecimal 73a94b4
16 Hexadecimal 14dbd88
20 Vigesimal 6ge008
36 Base36 d0sjs

Cryptographic Hash Functions

md5 696e8a6572ea6d9a2cb5a3b986a2183b
sha1 38539ad98a3a659040538813a9d3c6ddd7f95b6c
sha256 94107fb540001dc66b2b6696209ddf4decdee87eab733aad6cb0bf97cf000d81
sha512 d8da0a33f8131cb0cfff6f20c666999b7b6de78ce8bd99c6c43c1610fcd0a071839cc6d85e9a41f1c6ebd18c053c24c72b61cb5c0f20fd42e36218f040256f10
ripemd-160 d489cebb274ccf2bc1f97583fe7873a46e7a1016

21872008 as geometric shapes

Circle

Radius = n
Diameter 43744016
Circumference 137425879.30411
Area 1.5028899657733E+15

Sphere

Radius = n
Volume 4.3828295139351E+22
Surface area 6.0115598630932E+15
Circumference 137425879.30411

Square

Length = n
Perimeter 87488032
Area 478384733952064
Diagonal 30931690.349933

Cube

Length = n
Surface area 2870308403712384
Volume 1.0463234728077E+22
Space diagonal 37883429.119553

Equilateral Triangle

Length = n
Perimeter 65616024
Area 2.0714666619257E+14
Altitude 18941714.559776

Triangular Pyramid

Length = n
Surface area 2.0714666619257E+14
Volume 1.2331040382284E+21
Height 10310563.449978