21207029 is an odd 8-digits composite number following 21207028
and preceding 21207030 . In scientific notation, it is written as 2.1207029 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 21185580 positive integers (up to 21207029) that are relatively prime to 21207029.
21207029 has 4 divisors, whose sum is 21228480
The reverse of 21207029 is 92070212
Previous prime number is 1039
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million two hundred seven thousand twenty-nine
Scientific notation
2.1207029 × 10^7
Engineering notation
2.1207029 × 10^6
Prime Factorization
1039 × 20411
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21207029
Product of the distinct prime numbers
The prime factorization of 21207029 is 1039 × 20411.
Since it has a total of 2 prime factors.
4 , 10 , 42 , 39 , 345 , 126 , 5170 , 599 , 74734 , 69302 , 98205 , 190798 , 3009436 , 3202539 , 47406853 , 65262422 , 812124068 , 402172326 , 929773228 , 9804630576
n×2
42414058
n×3
63621087
n×4
84828116
n×5
106035145
n÷2
10603514.5
n÷3
7069009.6666667
n÷3
5301757.25
n÷5
4241405.8
n2
449738079006841
n3
9.5376084839024E+21
n4
2.0226433970876E+29
n5
4.2894257178696E+36
2 √n
4605.1090106533
3 √n
276.79608515881
4 √n
67.860953505335
5 √n
29.194158802662
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
-21207028
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 21207029 can be divided by 4 positive divisors.
The sum of these divisors (counting 21207029) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000111001011111110101
3
Ternary
1110220102120112
4
Quaternary
1100321133311
5
Quinary
20412111104
6
Senary
2034312405
8
Octal
120713765
10
Decimal
21207029
12
Duodecimal
7128705
16
Hexadecimal
14397f5
20
Vigesimal
6cahb9
36
Base36
cmjg5
md5
6479c4aa116a2222163dd3a424b4eaf4
sha1
e16e2b58f6601e442dd6484d7434d20da021a696
sha256
c1c2a0ad4a162fdf2faafd1054b9cdf30020797191055395ea9b7830b77d7ea7
sha512
e1c3bc316958bdac27efcd077ea3c6d9d29f4318332b585a69d0bf1731391fa8ef35a6824009419dffcfa9aae95ebad2ef8e2e1d71132954c9c326ca8693abf0
ripemd-160
69dacbc9982b2e94bae9ca99d32c8524d616e380
Diameter
42414058
Circumference
133247693.02173
Area
1.4128938450475E+15
Volume
3.9951040994458E+22
Surface area
5.6515753801899E+15
Circumference
133247693.02173
Perimeter
84828116
Area
449738079006841
Diagonal
29991268.02944
Surface area
2698428474041046
Volume
9.5376084839024E+21
Space diagonal
36731651.705587
Perimeter
63621087
Area
1.9474230073457E+14
Altitude
18365825.852793
Surface area
1.9474230073457E+14
Volume
1.1240179392116E+21
Height
9997089.3431465