20978066 is an even 8-digits composite number following 20978065
and preceding 20978067 . In scientific notation, it is written as 2.0978066 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 10245060 positive integers (up to 20978066) that are relatively prime to 20978066.
20978066 has 8 divisors, whose sum is 32199024
The reverse of 20978066 is 66087902
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million nine hundred seventy-eight thousand sixty-six
Scientific notation
2.0978066 × 10^7
Engineering notation
2.0978066 × 10^6
Prime Factorization
2 × 43 × 243931
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20978066
Product of the distinct prime numbers
The prime factorization of 20978066 is 2 × 43 × 243931.
Since it has a total of 3 prime factors.
8 , 10 , 15 , 98 , 674 , 189 , 2550 , 3092 , 57163 , 86715 , 911573 , 967650 , 9979584 , 6841448 , 94438848 , 72349193 , 29778473 , 846523698 , 8190406592 , 3889874116
n×2
41956132
n×3
62934198
n×4
83912264
n×5
104890330
n÷2
10489033
n÷3
6992688.6666667
n÷3
5244516.5
n÷5
4195613.2
n2
440079253100356
n3
9.23201161677E+21
n4
1.9366974900937E+29
n5
4.0628167769219E+36
2 √n
4580.1818741181
3 √n
275.79632982275
4 √n
67.677040967511
5 √n
29.13084547437
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20978065
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20978066 can be divided by 8 positive divisors.
The sum of these divisors (counting 20978066) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000001100110010010
3
Ternary
1110110210111102
4
Quaternary
1100001212102
5
Quinary
20332244231
6
Senary
2025344402
8
Octal
120014622
10
Decimal
20978066
12
Duodecimal
7038102
16
Hexadecimal
1401992
20
Vigesimal
6b2536
36
Base36
chms2
md5
43827b5def8a22583980490daee9333c
sha1
3829f9ef7788063cdde7c37e78219d0457efdde1
sha256
ef3461fb6bda178a6def208edce09b20737bfab990d10fe69669a4cdfd27cce6
sha512
6ec3d47312d08eb51f363d612a868acbeb1d97a6acd342af646af4c305f93db634de26e3d03fe49c01a772227cf0f6d13398f218bf30b4ed40ed20f3cc30198f
ripemd-160
0d405fee23e797971bf27bbe7d2f1495617c622e
Diameter
41956132
Circumference
131809076.06424
Area
1.3825497485374E+15
Volume
3.86709598308E+22
Surface area
5.5301989941494E+15
Circumference
131809076.06424
Perimeter
83912264
Area
440079253100356
Diagonal
29667465.449558
Surface area
2640475518602136
Volume
9.23201161677E+21
Space diagonal
36335076.156533
Perimeter
62934198
Area
1.9055990643169E+14
Altitude
18167538.078267
Surface area
1.9055990643169E+14
Volume
1.0880030030352E+21
Height
9889155.1498526