20978068 is an even 8-digits composite number following 20978067
and preceding 20978069 . In scientific notation, it is written as 2.0978068 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 9872000 positive integers (up to 20978068) that are relatively prime to 20978068.
20978068 has 12 divisors, whose sum is 38871252
The reverse of 20978068 is 86087902
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million nine hundred seventy-eight thousand sixty-eight
Scientific notation
2.0978068 × 10^7
Engineering notation
2.0978068 × 10^6
Prime Factorization
2 × 2 × 17 × 308501
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10489034
Product of the distinct prime numbers
The prime factorization of 20978068 is 2 × 2 × 17 × 308501.
Since it has a total of 4 prime factors.
3 , 5 , 25 , 67 , 506 , 106 , 7482 , 3527 , 5785 , 47724 , 773177 , 9417 , 4144880 , 809107 , 34376820 , 95904310 , 536276710 , 167801883 , 9743395378 , 3691808621
n×2
41956136
n×3
62934204
n×4
83912272
n×5
104890340
n÷2
10489034
n÷3
6992689.3333333
n÷3
5244517
n÷5
4195613.6
n2
440079337012624
n3
9.2320142572457E+21
n4
1.9366982286547E+29
n5
4.0628187136198E+36
2 √n
4580.18209245
3 √n
275.79633858734
4 √n
67.677042580553
5 √n
29.130846029823
1 , 2 , 4 , 17 , 34 , 68 , 308501 , 617002 , 1234004 , 5244517 , 10489034 , 20978068
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20978067
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20978068 can be divided by 12 positive divisors.
The sum of these divisors (counting 20978068) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000000001100110010100
3
Ternary
1110110210111111
4
Quaternary
1100001212110
5
Quinary
20332244233
6
Senary
2025344404
8
Octal
120014624
10
Decimal
20978068
12
Duodecimal
7038104
16
Hexadecimal
1401994
20
Vigesimal
6b2538
36
Base36
chms4
md5
28eed54708ac73a1c9e08e3633288014
sha1
c51319775c382fedd5914417903672dfb43e2735
sha256
43facb737c007d6a6c4277c7aeecfc43c663c81a1d1e75d272d4ff892fc64756
sha512
2a3db4663349b428eec1263d6ad9375086ab6af1b8cbe0e4862189f0e8a7ab7c0b2d46a85b309020ef9429698697a3b37c24ad0220b11464b5af0291a0eded60
ripemd-160
c4d5bcf6940a81c836acaa7511bcf5aa7701d2d2
Diameter
41956136
Circumference
131809088.63061
Area
1.3825500121555E+15
Volume
3.8670970891199E+22
Surface area
5.5302000486221E+15
Circumference
131809088.63061
Perimeter
83912272
Area
440079337012624
Diagonal
29667468.277985
Surface area
2640476022075744
Volume
9.2320142572457E+21
Space diagonal
36335079.620635
Perimeter
62934204
Area
1.9055994276677E+14
Altitude
18167539.810317
Surface area
1.9055994276677E+14
Volume
1.0880033142182E+21
Height
9889156.0926617