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.
21000207 has 4 divisors, whose sum is 28000280
The reverse of 21000207 is 70200012
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 12
Digital Root 3
Name
twenty-one million two hundred seven
Scientific notation
2.1000207 × 10^7
Engineering notation
2.1000207 × 10^6
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.
8 , 3 , 48 , 72 , 162 , 533 , 7015 , 6581 , 8472 , 29457 , 844658 , 706362 , 2273971 , 6632013 , 23823553 , 28469218 , 531534369 , 937975403 , 5000385107 , 4256072631
n×2
42000414
n×3
63000621
n×4
84000828
n×5
105001035
n÷2
10500103.5
n÷3
7000069
n÷3
5250051.75
n÷5
4200041.4
n2
441008694042849
n3
9.2612738636995E+21
n4
1.9448866822138E+29
n5
4.0843022918033E+36
2 √n
4582.5982804518
3 √n
275.89332413879
4 √n
67.694891095649
5 √n
29.136992026921
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
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
md5
ca2bf9b17879f6d98b6d1670329353f1
sha1
218bc935b733c6ee4e31f0bbcdd4f60a3543e340
sha256
013875438fd5853324cce56778f1730c6dffa351872703129a8d4e2c8429a17c
sha512
17966226a3842fc7b9368b7589210b50b53e72ab5eb6bafb59a23bfe731bee7331350cf86d08f0a60c2209ccdefd5c848de9de7453b628beb24e3bb14ac7fe53
ripemd-160
3d3f3b3d65fe24962b38e05ee319cf25340a29ac
Diameter
42000414
Circumference
131948192.07013
Area
1.3854696733742E+15
Volume
3.8793533244109E+22
Surface area
5.541878693497E+15
Circumference
131948192.07013
Perimeter
84000828
Area
441008694042849
Diagonal
29698777.552042
Surface area
2646052164257094
Volume
9.2612738636995E+21
Space diagonal
36373425.493464
Perimeter
63000621
Area
1.9096236616545E+14
Altitude
18186712.746732
Surface area
1.9096236616545E+14
Volume
1.0914515919079E+21
Height
9899592.5173475