21002005 (number)

21002005 is an odd 8-digits composite number following 21002004 and preceding 21002006. In scientific notation, it is written as 2.1002005 × 10^7. The sum of its digits is 10. It has a total of 2 prime factors and 4 positive divisors. There are 16801600 positive integers (up to 21002005) that are relatively prime to 21002005.

Interesting facts

Basic properties

Name

Name twenty-one million two thousand five

Notation

Scientific notation 2.1002005 × 10^7
Engineering notation 2.1002005 × 10^6

Prime Factorization of 21002005

Prime Factorization 5 × 4200401

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21002005
Product of the distinct prime numbers

The prime factorization of 21002005 is 5 × 4200401. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21002005)

Multiplication

n×y
n×2 42004010
n×3 63006015
n×4 84008020
n×5 105010025

Division

n÷y
n÷2 10501002.5
n÷3 7000668.3333333
n÷3 5250501.25
n÷5 4200401

Exponentiation

ny
n2 441084214020025
n3 9.2636528682696E+21
n4 1.9455528385766E+29
n5 4.0860510443551E+36

Nth Root

y√n
2√n 4582.7944531694
3√n 275.90119774436
4√n 67.696340027873
5√n 29.137490941218

Divisors of 21002005

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 -21002004
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 21002005 can be divided by 4 positive divisors. The sum of these divisors (counting 21002005) is 1, the average is 0.25.

Base conversion 21002005

Base System Value
2 Binary 1010000000111011100010101
3 Ternary 1110112000100001
4 Quaternary 1100013130111
5 Quinary 20334031010
6 Senary 2030051301
8 Octal 120073425
10 Decimal 21002005
12 Duodecimal 7049b31
16 Hexadecimal 1407715
20 Vigesimal 6b5505
36 Base36 ci591

Cryptographic Hash Functions

md5 7c4ef9776645908b8f0580aa35aec5de
sha1 ddadbb0497caef7a0cbfacd0ab980d11d838aa14
sha256 80e84a191afb0f545a9e846b5fc971863312c8bba1e1ec124c7112778be42236
sha512 8f2a3a4a3214abf369163e00a69decfc2e8c5fe0d7d2e5103a28b1d2f4c3447fb5d2bd361e95e127c31a71c4bcbbb7ebc99dcf787255c6ecf1035f21775e7452
ripemd-160 64ea34da2c2047d0de4793310298ea04c1186d0c

21002005 as geometric shapes

Circle

Radius = n
Diameter 42004010
Circumference 131959489.23731
Area 1.3857069263797E+15

Sphere

Radius = n
Volume 3.8803498395149E+22
Surface area 5.542827705519E+15
Circumference 131959489.23731

Square

Length = n
Perimeter 84008020
Area 441084214020025
Diagonal 29701320.308028

Cube

Length = n
Surface area 2646505284120150
Volume 9.2636528682696E+21
Space diagonal 36376539.720816

Equilateral Triangle

Length = n
Perimeter 63006015
Area 1.9099506727482E+14
Altitude 18188269.860408

Triangular Pyramid

Length = n
Surface area 1.9099506727482E+14
Volume 1.0917319602853E+21
Height 9900440.1026759