20182988 is an even 8-digits composite number following 20182987
and preceding 20182989 . In scientific notation, it is written as 2.0182988 × 10^7.
The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors.
There are 8438400 positive integers (up to 20182988) that are relatively prime to 20182988.
20182988 has 24 divisors, whose sum is 41352864
The reverse of 20182988 is 88928102
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million one hundred eighty-two thousand nine hundred eighty-eight
Scientific notation
2.0182988 × 10^7
Engineering notation
2.0182988 × 10^6
Prime Factorization
2 × 2 × 7 × 41 × 17581
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10091494
Product of the distinct prime numbers
The prime factorization of 20182988 is 2 × 2 × 7 × 41 × 17581.
Since it has a total of 5 prime factors.
5 , 9 , 38 , 27 , 13 , 753 , 3638 , 3791 , 54395 , 94094 , 901428 , 942124 , 2674192 , 6638379 , 63799702 , 61255486 , 428422309 , 515754653 , 6375422867 , 8153656224
n×2
40365976
n×3
60548964
n×4
80731952
n×5
100914940
n÷2
10091494
n÷3
6727662.6666667
n÷3
5045747
n÷5
4036597.6
n2
407353004608144
n3
8.2216008037701E+21
n4
1.6593647036328E+29
n5
3.3490937901045E+36
2 √n
4492.5480520524
3 √n
272.26709274394
4 √n
67.026472770484
5 √n
28.906605293289
1 , 2 , 4 , 7 , 14 , 28 , 41 , 82 , 164 , 287 , 574 , 1148 , 17581 , 35162 , 70324 , 123067 , 246134 , 492268 , 720821 , 1441642 , 2883284 , 5045747 , 10091494 , 20182988
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20182987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20182988 can be divided by 24 positive divisors.
The sum of these divisors (counting 20182988) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100111111011111001100
3
Ternary
1101222101212002
4
Quaternary
1030333133030
5
Quinary
20131323423
6
Senary
2000331432
8
Octal
114773714
10
Decimal
20182988
12
Duodecimal
6913b78
16
Hexadecimal
133f7cc
20
Vigesimal
662h98
36
Base36
c0lak
md5
0f4f0bbe71958abe87d8d53fc2f8038f
sha1
12131ad27e973b31811da1d57cdfac3bb37dc3ec
sha256
a544cad71cddc7dbc75beac56993cb0b4c22c88bdb7838bde47618454d365e5b
sha512
39559f36f5acaecc1278cbce302e9d3e01bbe931e1b2304cfe79410f4c406ae08224ccf4d9da0984a7c17cb1956c0fd075532971ddcb5fe8999568c709b2379a
ripemd-160
9a3e6a04bef6e21a7f0dfba836645bd5510a8925
Diameter
40365976
Circumference
126813453.65658
Area
1.2797372066947E+15
Volume
3.4438560914496E+22
Surface area
5.1189488267787E+15
Circumference
126813453.65658
Perimeter
80731952
Area
407353004608144
Diagonal
28543055.358813
Surface area
2444118027648864
Volume
8.2216008037701E+21
Space diagonal
34957960.664553
Perimeter
60548964
Area
1.7638902514929E+14
Altitude
17478980.332276
Surface area
1.7638902514929E+14
Volume
9.689249467591E+20
Height
9514351.7862711