20178992 is an even 8-digits composite number following 20178991
and preceding 20178993 . In scientific notation, it is written as 2.0178992 × 10^7.
The sum of its digits is 38. It has a total of 6 prime factors and 20 positive divisors.
There are 9988800 positive integers (up to 20178992) that are relatively prime to 20178992.
20178992 has 20 divisors, whose sum is 39487056
The reverse of 20178992 is 29987102
Previous prime number is 101
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million one hundred seventy-eight thousand nine hundred ninety-two
Scientific notation
2.0178992 × 10^7
Engineering notation
2.0178992 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 101 × 12487
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2522374
Product of the distinct prime numbers
The prime factorization of 20178992 is 2 × 2 × 2 × 2 × 101 × 12487.
Since it has a total of 6 prime factors.
5 , 1 , 76 , 47 , 371 , 859 , 771 , 824 , 1859 , 36019 , 799117 , 91699 , 2301283 , 5514050 , 37914424 , 16986393 , 454032151 , 980084937 , 7674449410 , 3392488397
n×2
40357984
n×3
60536976
n×4
80715968
n×5
100894960
n÷2
10089496
n÷3
6726330.6666667
n÷3
5044748
n÷5
4035798.4
n2
407191718136064
n3
8.2167184227339E+21
n4
1.658050953186E+29
n5
3.3457796919933E+36
2 √n
4492.1032935586
3 √n
272.24912297136
4 √n
67.023154906037
5 √n
28.905460567406
1 , 2 , 4 , 8 , 16 , 101 , 202 , 404 , 808 , 1616 , 12487 , 24974 , 49948 , 99896 , 199792 , 1261187 , 2522374 , 5044748 , 10089496 , 20178992
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20178991
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20178992 can be divided by 20 positive divisors.
The sum of these divisors (counting 20178992) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001100111110100000110000
3
Ternary
1101222012101002
4
Quaternary
1030332200300
5
Quinary
20131211432
6
Senary
2000301132
8
Octal
114764060
10
Decimal
20178992
12
Duodecimal
69117a8
16
Hexadecimal
133e830
20
Vigesimal
66279c
36
Base36
c0i7k
md5
7dff1d911dbc80af7a97ad42181f9624
sha1
f7e36106399247c12948f32fc20e3dcbf9565cc4
sha256
30e8245269c86266e23d78d1b05bd1aeeb1d73c044e103c82bf212d4c96f4f78
sha512
d2b1a37254e67ceea9e8f9f20eb4c7f056deb2cf838b4da575da29b8092dd3f67c92d6baa5f79c6ad26c574f5ca195a67201d9cb77ee61ca71b57a55f185ab5d
ripemd-160
e7a1fb32fb608abf339d2bb8301dab0147bf978a
Diameter
40357984
Circumference
126788346.04809
Area
1.2792305102989E+15
Volume
3.4418109644636E+22
Surface area
5.1169220411955E+15
Circumference
126788346.04809
Perimeter
80715968
Area
407191718136064
Diagonal
28537404.161418
Surface area
2443150308816384
Volume
8.2167184227339E+21
Space diagonal
34951039.389526
Perimeter
60536976
Area
1.7631918605823E+14
Altitude
17475519.694763
Surface area
1.7631918605823E+14
Volume
9.6834955263593E+20
Height
9512468.0538061