21008869 (number)

21008869 is an odd 8-digits composite number following 21008868 and preceding 21008870. In scientific notation, it is written as 2.1008869 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 18007596 positive integers (up to 21008869) that are relatively prime to 21008869.

Interesting facts

Basic properties

Name

Name twenty-one million eight thousand eight hundred sixty-nine

Notation

Scientific notation 2.1008869 × 10^7
Engineering notation 2.1008869 × 10^6

Prime Factorization of 21008869

Prime Factorization 7 × 3001267

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21008869
Product of the distinct prime numbers

The prime factorization of 21008869 is 7 × 3001267. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21008869)

Multiplication

n×y
n×2 42017738
n×3 63026607
n×4 84035476
n×5 105044345

Division

n÷y
n÷2 10504434.5
n÷3 7002956.3333333
n÷3 5252217.25
n÷5 4201773.8

Exponentiation

ny
n2 441372576659161
n3 9.2727386432248E+21
n4 1.9480975142675E+29
n5 4.0927325476471E+36

Nth Root

y√n
2√n 4583.54328004
3√n 275.93125169311
4√n 67.701870580066
5√n 29.139395269847

Divisors of 21008869

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 -21008868
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 21008869 can be divided by 4 positive divisors. The sum of these divisors (counting 21008869) is 1, the average is 0.25.

Base conversion 21008869

Base System Value
2 Binary 1010000001001000111100101
3 Ternary 1110112100202021
4 Quaternary 1100021013211
5 Quinary 20334240434
6 Senary 2030143141
8 Octal 120110745
10 Decimal 21008869
12 Duodecimal 7051ab1
16 Hexadecimal 14091e5
20 Vigesimal 6b6239
36 Base36 ciajp

Cryptographic Hash Functions

md5 052e0eb4732969535daef113d372c27f
sha1 9581fe0f6606dd87172c78e8010f451977967098
sha256 48f645484117e1e8ac64b70cd4e7cf8725380aeb5e7358b39e0898eef7d6f69e
sha512 74670b7b08a97d5186c1a23c7ce35b1faff6b8cdb14c6c991f9749506d466fff1536ea17cf82972f0f8618a204b8ea48453ec0b0ce1bb9f025db30858328c40e
ripemd-160 5309c681ceefc34adf47e33dbc1e66df809251ca

21008869 as geometric shapes

Circle

Radius = n
Diameter 42017738
Circumference 132002617.02126
Area 1.3866128443284E+15

Sphere

Radius = n
Volume 3.8841556800284E+22
Surface area 5.5464513773137E+15
Circumference 132002617.02126

Square

Length = n
Perimeter 84035476
Area 441372576659161
Diagonal 29711027.46992

Cube

Length = n
Surface area 2648235459954966
Volume 9.2727386432248E+21
Space diagonal 36388428.517559

Equilateral Triangle

Length = n
Perimeter 63026607
Area 1.9111993196031E+14
Altitude 18194214.258779

Triangular Pyramid

Length = n
Surface area 1.9111993196031E+14
Volume 1.0928027291325E+21
Height 9903675.8233066