20997029 is an odd 8-digits composite number following 20997028
and preceding 20997030 . In scientific notation, it is written as 2.0997029 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 20508684 positive integers (up to 20997029) that are relatively prime to 20997029.
20997029 has 4 divisors, whose sum is 21485376
The reverse of 20997029 is 92079902
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million nine hundred ninety-seven thousand twenty-nine
Scientific notation
2.0997029 × 10^7
Engineering notation
2.0997029 × 10^6
Prime Factorization
43 × 488303
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20997029
Product of the distinct prime numbers
The prime factorization of 20997029 is 43 × 488303.
Since it has a total of 2 prime factors.
8 , 2 , 5 , 67 , 215 , 373 , 6694 , 1489 , 60970 , 66228 , 882353 , 314203 , 4770551 , 789996 , 25701300 , 9831416 , 590752163 , 431491786 , 6016344106 , 3589157752
n×2
41994058
n×3
62991087
n×4
83988116
n×5
104985145
n÷2
10498514.5
n÷3
6999009.6666667
n÷3
5249257.25
n÷5
4199405.8
n2
440875226826841
n3
9.2570699230648E+21
n4
1.9437096562962E+29
n5
4.0812128020831E+36
2 √n
4582.2515208138
3 √n
275.87940628842
4 √n
67.692329852161
5 √n
29.136110102601
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
-20997028
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 20997029 can be divided by 4 positive divisors.
The sum of these divisors (counting 20997029) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000000110001110100101
3
Ternary
1110111202111202
4
Quaternary
1100012032211
5
Quinary
20333401104
6
Senary
2030012245
8
Octal
120061645
10
Decimal
20997029
12
Duodecimal
7047085
16
Hexadecimal
14063a5
20
Vigesimal
6b4cb9
36
Base36
ci1et
md5
8ec15304c9a1bdcb821f4460d4fcbf9e
sha1
d76b3596c8aa51b1f76cfb1f88df819dded78642
sha256
86765902e9063bb1ebf9a8329fb6156af7d059ff1c3bfb17d4e6d8f2fb2738ad
sha512
f1a24d4844ea93de4f05d487af2a641494b9570648997bb43ad3448968d52d4742c5034483cc35081884525788a102a36175e58b534803326b8d2ac1a9bdbd18
ripemd-160
3118ed2e8261f4b4e8608d02fc5fdd418b12d79c
Diameter
41994058
Circumference
131928224.10722
Area
1.3850503737489E+15
Volume
3.8775923818756E+22
Surface area
5.5402014949957E+15
Circumference
131928224.10722
Perimeter
83988116
Area
440875226826841
Diagonal
29694283.181341
Surface area
2645251360961046
Volume
9.2570699230648E+21
Space diagonal
36367921.035997
Perimeter
62991087
Area
1.9090457316564E+14
Altitude
18183960.517999
Surface area
1.9090457316564E+14
Volume
1.0909561527529E+21
Height
9898094.3937804