20297988 is an even 8-digits composite number following 20297987
and preceding 20297989 . In scientific notation, it is written as 2.0297988 × 10^7.
The sum of its digits is 45. It has a total of 6 prime factors and 36 positive divisors.
There are 6747840 positive integers (up to 20297988) that are relatively prime to 20297988.
20297988 has 36 divisors, whose sum is 51446668
The reverse of 20297988 is 88979202
Previous prime number is 853
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty million two hundred ninety-seven thousand nine hundred eighty-eight
Scientific notation
2.0297988 × 10^7
Engineering notation
2.0297988 × 10^6
Prime Factorization
2 × 2 × 3 × 3 × 853 × 661
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3382998
Product of the distinct prime numbers
The prime factorization of 20297988 is 2 × 2 × 3 × 3 × 853 × 661.
Since it has a total of 6 prime factors.
8 , 2 , 21 , 60 , 31 , 112 , 7363 , 493 , 59898 , 72496 , 234808 , 161522 , 7861069 , 2701954 , 78631638 , 53410722 , 776406680 , 188962063 , 3846410764 , 887827184
n×2
40595976
n×3
60893964
n×4
81191952
n×5
101489940
n÷2
10148994
n÷3
6765996
n÷3
5074497
n÷5
4059597.6
n2
412008316848144
n3
8.3629398712838E+21
n4
1.6975085315204E+29
n5
3.4456007802699E+36
2 √n
4505.3288448236
3 √n
272.78322767056
4 √n
67.121746437527
5 √n
28.939471674925
1 , 2 , 3 , 4 , 6 , 9 , 12 , 18 , 36 , 661 , 853 , 1322 , 1706 , 1983 , 2559 , 2644 , 3412 , 3966 , 5118 , 5949 , 7677 , 7932 , 10236 , 11898 , 15354 , 23796 , 30708 , 563833 , 1127666 , 1691499 , 2255332 , 3382998 , 5074497 , 6765996 , 10148994 , 20297988
36 divisors
τ
Total Divisors
36
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20297987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.027777777777778
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
36
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20297988 can be divided by 36 positive divisors.
The sum of these divisors (counting 20297988) is 1, the average is 0.027777777777778.
Base
System
Value
2
Binary
1001101011011100100000100
3
Ternary
1102012020121100
4
Quaternary
1031123210010
5
Quinary
20144013423
6
Senary
2003020100
8
Octal
115334404
10
Decimal
20297988
12
Duodecimal
696a630
16
Hexadecimal
135b904
20
Vigesimal
66h4j8
36
Base36
c3210
md5
4319878b2edce4badcd886fab31bbd08
sha1
c000fbf9c9fb020a8ac2b72b505cf3781fe12acf
sha256
d40863f5abc7f2fe4f2df862eb0a6c0a194175b98027370712e1a1a54d5c5caa
sha512
51d78a1cf3afaea4fcbfcbe837562b35b4ef1890efbd8284581c3746fbb22a91e9ca268885a084a2521748cf7e0a81e070e843cb9a1ce772e2cb5498b0620694
ripemd-160
5e9075075c5f20c74f25faa030e976fae2b8efe1
Diameter
40595976
Circumference
127536019.96691
Area
1.294362301428E+15
Volume
3.5030600616051E+22
Surface area
5.1774492057121E+15
Circumference
127536019.96691
Perimeter
81191952
Area
412008316848144
Diagonal
28705689.918486
Surface area
2472049901088864
Volume
8.3629398712838E+21
Space diagonal
35157146.507423
Perimeter
60893964
Area
1.7840483448048E+14
Altitude
17578573.253712
Surface area
1.7840483448048E+14
Volume
9.8558191560669E+20
Height
9568563.3061621