20112978 is an even 8-digits composite number following 20112977
and preceding 20112979 . In scientific notation, it is written as 2.0112978 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 6523056 positive integers (up to 20112978) that are relatively prime to 20112978.
20112978 has 16 divisors, whose sum is 41313600
The reverse of 20112978 is 87921102
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred twelve thousand nine hundred seventy-eight
Scientific notation
2.0112978 × 10^7
Engineering notation
2.0112978 × 10^6
Prime Factorization
2 × 3 × 37 × 90599
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20112978
Product of the distinct prime numbers
The prime factorization of 20112978 is 2 × 3 × 37 × 90599.
Since it has a total of 4 prime factors.
8 , 5 , 53 , 30 , 89 , 667 , 2684 , 58 , 76208 , 9851 , 381619 , 865191 , 5015083 , 7622239 , 67356719 , 68643198 , 914697216 , 194498954 , 7186480239 , 4276421860
n×2
40225956
n×3
60338934
n×4
80451912
n×5
100564890
n÷2
10056489
n÷3
6704326
n÷3
5028244.5
n÷5
4022595.6
n2
404531884028484
n3
8.1363408837634E+21
n4
1.6364604519563E+29
n5
3.2914093068068E+36
2 √n
4484.7494913317
3 √n
271.95191804364
4 √n
66.968272273754
5 √n
28.886523378159
1 , 2 , 3 , 6 , 37 , 74 , 111 , 222 , 90599 , 181198 , 271797 , 543594 , 3352163 , 6704326 , 10056489 , 20112978
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
-20112977
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 20112978 can be divided by 16 positive divisors.
The sum of these divisors (counting 20112978) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100101110011001010010
3
Ternary
1101211211211010
4
Quaternary
1030232121102
5
Quinary
20122103403
6
Senary
1555031350
8
Octal
114563122
10
Decimal
20112978
12
Duodecimal
689b556
16
Hexadecimal
132e652
20
Vigesimal
65e28i
36
Base36
bz39u
md5
77b637887c743cde3135cf497c984390
sha1
c1809bdda6da551a7750e115998e838fae923f8c
sha256
039aa1efe9d0b64c9b93f511d6f16247775d318ebd92b04bdbbb39553d2ffbc6
sha512
5c77ea3b557c28acf2752ce405ed7037d3dce6b41e0b7254c92e35a395223e77e16ff6dbc9e55bdb3e2515290ee12fab25bd0b8f1c54fb27c3134f22e8d6ece5
ripemd-160
f0102fbaa883036bd6a776606592e20e6d7aee35
Diameter
40225956
Circumference
126373567.85323
Area
1.2708743950067E+15
Volume
3.4081424996711E+22
Surface area
5.0834975800269E+15
Circumference
126373567.85323
Perimeter
80451912
Area
404531884028484
Diagonal
28444046.267312
Surface area
2427191304170904
Volume
8.1363408837634E+21
Space diagonal
34836699.787515
Perimeter
60338934
Area
1.7516744410472E+14
Altitude
17418349.893758
Surface area
1.7516744410472E+14
Volume
9.5887696882575E+20
Height
9481348.7557706