20978064 is an even 8-digits composite number following 20978063
and preceding 20978065 . In scientific notation, it is written as 2.0978064 × 10^7.
The sum of its digits is 36. It has a total of 6 prime factors and 20 positive divisors.
There are 6992640 positive integers (up to 20978064) that are relatively prime to 20978064.
20978064 has 20 divisors, whose sum is 45161420
The reverse of 20978064 is 46087902
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million nine hundred seventy-eight thousand sixty-four
Scientific notation
2.0978064 × 10^7
Engineering notation
2.0978064 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 9 × 145681
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2622258
Product of the distinct prime numbers
The prime factorization of 20978064 is 2 × 2 × 2 × 2 × 9 × 145681.
Since it has a total of 6 prime factors.
10 , 2 , 39 , 73 , 708 , 295 , 2054 , 1809 , 22222 , 1619 , 857225 , 973049 , 8171013 , 4733422 , 77755150 , 12505387 , 924675073 , 717230662 , 6903091934 , 8593145191
n×2
41956128
n×3
62934192
n×4
83912256
n×5
104890320
n÷2
10489032
n÷3
6992688
n÷3
5244516
n÷5
4195612.8
n2
440079169188096
n3
9.2320089762947E+21
n4
1.9366967515328E+29
n5
4.0628148402248E+36
2 √n
4580.1816557862
3 √n
275.79632105815
4 √n
67.677039354468
5 √n
29.130844918916
1 , 2 , 4 , 8 , 9 , 16 , 18 , 36 , 72 , 144 , 145681 , 291362 , 582724 , 1165448 , 1311129 , 2330896 , 2622258 , 5244516 , 10489032 , 20978064
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
-20978063
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 20978064 can be divided by 20 positive divisors.
The sum of these divisors (counting 20978064) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010000000001100110010000
3
Ternary
1110110210111100
4
Quaternary
1100001212100
5
Quinary
20332244224
6
Senary
2025344400
8
Octal
120014620
10
Decimal
20978064
12
Duodecimal
7038100
16
Hexadecimal
1401990
20
Vigesimal
6b2534
36
Base36
chms0
md5
29832772c9da50a64654926f62fe7950
sha1
a9b15c0fe25917c880409791fa8cd82dc57cbe39
sha256
0275668addc53c941b272a9068f6af798b66f53dd87e156fc942736b58eebb98
sha512
920b7ec2f4c02e0dbb05b51539fe49d5eb6d392f3fe1dfde2ab0479acdfd2230e88979b7aeb3879dc9715c9910f2f3163e24a3b84053f09a4d2874f037729a17
ripemd-160
1a988767c8c765f538b89ca2993d1e435bde9f0d
Diameter
41956128
Circumference
131809063.49787
Area
1.3825494849192E+15
Volume
3.8670948770403E+22
Surface area
5.5301979396769E+15
Circumference
131809063.49787
Perimeter
83912256
Area
440079169188096
Diagonal
29667462.621131
Surface area
2640475015128576
Volume
9.2320089762947E+21
Space diagonal
36335072.692432
Perimeter
62934192
Area
1.9055987009662E+14
Altitude
18167536.346216
Surface area
1.9055987009662E+14
Volume
1.0880026918522E+21
Height
9889154.2070436