21000408 (number)

21000408 is an even 8-digits composite number following 21000407 and preceding 21000409. In scientific notation, it is written as 2.1000408 × 10^7. The sum of its digits is 15. It has a total of 8 prime factors and 128 positive divisors. There are 5644800 positive integers (up to 21000408) that are relatively prime to 21000408.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred eight

Notation

Scientific notation 2.1000408 × 10^7
Engineering notation 2.1000408 × 10^6

Prime Factorization of 21000408

Prime Factorization 2 × 2 × 2 × 3 × 29 × 13 × 11 × 211

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 5250102
Product of the distinct prime numbers

The prime factorization of 21000408 is 2 × 2 × 2 × 3 × 29 × 13 × 11 × 211. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000408)

Multiplication

n×y
n×2 42000816
n×3 63001224
n×4 84001632
n×5 105002040

Division

n÷y
n÷2 10500204
n÷3 7000136
n÷3 5250102
n÷5 4200081.6

Exponentiation

ny
n2 441017136166464
n3 9.2615397944873E+21
n4 1.9449611439247E+29
n5 4.0844977566565E+36

Nth Root

y√n
2√n 4582.6202111892
3√n 275.89420435839
4√n 67.695053077675
5√n 29.137047802685

Divisors of 21000408

128 divisors

τ Total Divisors 128
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21000407
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0078125
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 128
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000408 can be divided by 128 positive divisors. The sum of these divisors (counting 21000408) is 1, the average is 0.0078125.

Base conversion 21000408

Base System Value
2 Binary 1010000000111000011011000
3 Ternary 1110111221010220
4 Quaternary 1100013003120
5 Quinary 20334003113
6 Senary 2030040040
8 Octal 120070330
10 Decimal 21000408
12 Duodecimal 7049020
16 Hexadecimal 14070d8
20 Vigesimal 6b5108
36 Base36 ci40o

Cryptographic Hash Functions

md5 05b669625e284fa4d5bda79d6ae647f6
sha1 7b937076d49e28958afaaca5b4d5ee72993df5c7
sha256 0f3f0c9f85355f3017026a3e960e033e0d842d188bf1d30b26c5a1f118a9bd7c
sha512 959a5871b15467340b7df6af25ff0df159c7f4dc0c916df7bc7e8d767870ba38cfd6b40bb5ade879fc8b94b0e845279d7a417a6371d1c7331442526df5f01fec
ripemd-160 4f6500856d4d0be24133f0d0e2416b899d0ec38c

21000408 as geometric shapes

Circle

Radius = n
Diameter 42000816
Circumference 131949454.99038
Area 1.3854961950878E+15

Sphere

Radius = n
Volume 3.8794647172388E+22
Surface area 5.5419847803511E+15
Circumference 131949454.99038

Square

Length = n
Perimeter 84001632
Area 441017136166464
Diagonal 29699061.808968

Cube

Length = n
Surface area 2646102816998784
Volume 9.2615397944873E+21
Space diagonal 36373773.635676

Equilateral Triangle

Length = n
Perimeter 63001224
Area 1.9096602171221E+14
Altitude 18186886.817838

Triangular Pyramid

Length = n
Surface area 1.9096602171221E+14
Volume 1.0914829321518E+21
Height 9899687.2696561