21000207 (number)

21000207 is an odd 8-digits composite number following 21000206 and preceding 21000208. In scientific notation, it is written as 2.1000207 × 10^7. The sum of its digits is 12. It has a total of 2 prime factors and 4 positive divisors. There are 14000136 positive integers (up to 21000207) that are relatively prime to 21000207.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred seven

Notation

Scientific notation 2.1000207 × 10^7
Engineering notation 2.1000207 × 10^6

Prime Factorization of 21000207

Prime Factorization 3 × 7000069

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21000207
Product of the distinct prime numbers

The prime factorization of 21000207 is 3 × 7000069. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000207)

Multiplication

n×y
n×2 42000414
n×3 63000621
n×4 84000828
n×5 105001035

Division

n÷y
n÷2 10500103.5
n÷3 7000069
n÷3 5250051.75
n÷5 4200041.4

Exponentiation

ny
n2 441008694042849
n3 9.2612738636995E+21
n4 1.9448866822138E+29
n5 4.0843022918033E+36

Nth Root

y√n
2√n 4582.5982804518
3√n 275.89332413879
4√n 67.694891095649
5√n 29.136992026921

Divisors of 21000207

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 -21000206
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 21000207 can be divided by 4 positive divisors. The sum of these divisors (counting 21000207) is 1, the average is 0.25.

Base conversion 21000207

Base System Value
2 Binary 1010000000111000000001111
3 Ternary 1110111220212110
4 Quaternary 1100013000033
5 Quinary 20334001312
6 Senary 2030035103
8 Octal 120070017
10 Decimal 21000207
12 Duodecimal 7048a93
16 Hexadecimal 140700f
20 Vigesimal 6b50a7
36 Base36 ci3v3

Cryptographic Hash Functions

md5 ca2bf9b17879f6d98b6d1670329353f1
sha1 218bc935b733c6ee4e31f0bbcdd4f60a3543e340
sha256 013875438fd5853324cce56778f1730c6dffa351872703129a8d4e2c8429a17c
sha512 17966226a3842fc7b9368b7589210b50b53e72ab5eb6bafb59a23bfe731bee7331350cf86d08f0a60c2209ccdefd5c848de9de7453b628beb24e3bb14ac7fe53
ripemd-160 3d3f3b3d65fe24962b38e05ee319cf25340a29ac

21000207 as geometric shapes

Circle

Radius = n
Diameter 42000414
Circumference 131948192.07013
Area 1.3854696733742E+15

Sphere

Radius = n
Volume 3.8793533244109E+22
Surface area 5.541878693497E+15
Circumference 131948192.07013

Square

Length = n
Perimeter 84000828
Area 441008694042849
Diagonal 29698777.552042

Cube

Length = n
Surface area 2646052164257094
Volume 9.2612738636995E+21
Space diagonal 36373425.493464

Equilateral Triangle

Length = n
Perimeter 63000621
Area 1.9096236616545E+14
Altitude 18186712.746732

Triangular Pyramid

Length = n
Surface area 1.9096236616545E+14
Volume 1.0914515919079E+21
Height 9899592.5173475