21031029 is an odd 8-digits composite number following 21031028
and preceding 21031030 . In scientific notation, it is written as 2.1031029 × 10^7.
The sum of its digits is 18. It has a total of 2 prime factors and 4 positive divisors.
There are 14020668 positive integers (up to 21031029) that are relatively prime to 21031029.
21031029 has 4 divisors, whose sum is 21809984
The reverse of 21031029 is 92013012
Previous prime number is 27
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty-one million thirty-one thousand twenty-nine
Scientific notation
2.1031029 × 10^7
Engineering notation
2.1031029 × 10^6
Prime Factorization
27 × 778927
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21031029
Product of the distinct prime numbers
The prime factorization of 21031029 is 27 × 778927.
Since it has a total of 2 prime factors.
10 , 6 , 100 , 46 , 811 , 784 , 6708 , 3003 , 19955 , 9690 , 259002 , 577005 , 9827351 , 1972741 , 31591328 , 4840486 , 120699909 , 50599099 , 3783882714 , 2400379093
n×2
42062058
n×3
63093087
n×4
84124116
n×5
105155145
n÷2
10515514.5
n÷3
7010343
n÷3
5257757.25
n÷5
4206205.8
n2
442304180798841
n3
9.3021120532017E+21
n4
1.9563298835213E+29
n5
4.1143630513904E+36
2 √n
4585.9599867421
3 √n
276.02823435165
4 √n
67.719716381141
5 √n
29.1455398817
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
-21031028
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 21031029 can be divided by 4 positive divisors.
The sum of these divisors (counting 21031029) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000001110100001110101
3
Ternary
1110120111011000
4
Quaternary
1100032201311
5
Quinary
20340443104
6
Senary
2030433513
8
Octal
120164165
10
Decimal
21031029
12
Duodecimal
7062899
16
Hexadecimal
140e875
20
Vigesimal
6b8hb9
36
Base36
cirn9
md5
df42d46014f3406338ae914a4a2cab37
sha1
94fcdab5f7d16040115b1281851eb61e76db4a2a
sha256
8b6adefecfafbae009948568bc38c0d80accbbee99b73cf313fd502e4cfd4bce
sha512
4810ad34707b7a0028c6d540fd08bdacf1d4e77d434f81afbab86934dd0b8e85fbcb36697fcc43ac102dafd728d5f09835b581b78b4fd2ec3fb13fb4149f0b2d
ripemd-160
d32d39c5fe05735bb7c1bcf2cc0a6f0f056463bc
Diameter
42062058
Circumference
132141852.40767
Area
1.3895395650497E+15
Volume
3.8964595852277E+22
Surface area
5.5581582601988E+15
Circumference
132141852.40767
Perimeter
84124116
Area
442304180798841
Diagonal
29742366.442462
Surface area
2653825084793046
Volume
9.3021120532017E+21
Space diagonal
36426810.763454
Perimeter
63093087
Area
1.9152332838593E+14
Altitude
18213405.381727
Surface area
1.9152332838593E+14
Volume
1.096264418696E+21
Height
9914122.1474873