20142978 is an even 8-digits composite number following 20142977
and preceding 20142979 . In scientific notation, it is written as 2.0142978 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 6571376 positive integers (up to 20142978) that are relatively prime to 20142978.
20142978 has 16 divisors, whose sum is 41143680
The reverse of 20142978 is 87924102
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million one hundred forty-two thousand nine hundred seventy-eight
Scientific notation
2.0142978 × 10^7
Engineering notation
2.0142978 × 10^6
Prime Factorization
2 × 3 × 47 × 71429
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20142978
Product of the distinct prime numbers
The prime factorization of 20142978 is 2 × 3 × 47 × 71429.
Since it has a total of 4 prime factors.
2 , 10 , 22 , 49 , 171 , 973 , 9408 , 1999 , 1768 , 31512 , 945975 , 118741 , 4722993 , 8258018 , 57577668 , 20185006 , 27095827 , 747041169 , 7596069576 , 7309680801
n×2
40285956
n×3
60428934
n×4
80571912
n×5
100714890
n÷2
10071489
n÷3
6714326
n÷3
5035744.5
n÷5
4028595.6
n2
405739562708484
n3
8.1728030853666E+21
n4
1.6462459274687E+29
n5
3.3160295499592E+36
2 √n
4488.0929134767
3 √n
272.08706303202
4 √n
66.993230355587
5 √n
28.895135520297
1 , 2 , 3 , 6 , 47 , 94 , 141 , 282 , 71429 , 142858 , 214287 , 428574 , 3357163 , 6714326 , 10071489 , 20142978
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20142977
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20142978 can be divided by 16 positive divisors.
The sum of these divisors (counting 20142978) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110101101110000010
3
Ternary
1101220100222020
4
Quaternary
1030311232002
5
Quinary
20124033403
6
Senary
1555422310
8
Octal
114655602
10
Decimal
20142978
12
Duodecimal
68b4996
16
Hexadecimal
1335b82
20
Vigesimal
65hh8i
36
Base36
bzqf6
md5
d266d7ef7c47b2c1a7add1c2a610ba8a
sha1
47918f03db76784a8abc958405b1407d572cab8a
sha256
37a12102676e586d91e247e0dbb9442b30932c39f1f0e9f22f656dc9fc3df523
sha512
53114512367022c1f58b09aa96e0c1df8e8c10b9525aca0c063aee1d2f344abe201a5f395913e5e706df5295c9520e1336c251ade8469cb0ddc360bfb0ef5998
ripemd-160
a68b9dceb45ac2d46cbf71287f997083a4a7d015
Diameter
40285956
Circumference
126562063.41244
Area
1.2746684294757E+15
Volume
3.4234157509632E+22
Surface area
5.0986737179028E+15
Circumference
126562063.41244
Perimeter
80571912
Area
405739562708484
Diagonal
28486472.674183
Surface area
2434437376250904
Volume
8.1728030853666E+21
Space diagonal
34888661.311742
Perimeter
60428934
Area
1.7569038431297E+14
Altitude
17444330.655871
Surface area
1.7569038431297E+14
Volume
9.6317408049418E+20
Height
9495490.8913943