20978042 is an even 8-digits composite number following 20978041
and preceding 20978043 . In scientific notation, it is written as 2.0978042 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 10439100 positive integers (up to 20978042) that are relatively prime to 20978042.
20978042 has 8 divisors, whose sum is 31616832
The reverse of 20978042 is 24087902
Previous prime number is 211
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million nine hundred seventy-eight thousand forty-two
Scientific notation
2.0978042 × 10^7
Engineering notation
2.0978042 × 10^6
Prime Factorization
2 × 211 × 49711
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20978042
Product of the distinct prime numbers
The prime factorization of 20978042 is 2 × 211 × 49711.
Since it has a total of 3 prime factors.
2 , 1 , 90 , 93 , 567 , 691 , 8953 , 4715 , 81800 , 6079 , 808377 , 625096 , 2317595 , 2589321 , 96310983 , 24779408 , 446175695 , 620772724 , 5793113491 , 6806396674
n×2
41956084
n×3
62934126
n×4
83912168
n×5
104890210
n÷2
10489021
n÷3
6992680.6666667
n÷3
5244510.5
n÷5
4195608.4
n2
440078246153764
n3
9.2319799311E+21
n4
1.9366886273777E+29
n5
4.0627935366052E+36
2 √n
4580.1792541341
3 √n
275.79622464758
4 √n
67.677021610987
5 √n
29.130838808926
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
-20978041
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 20978042 can be divided by 8 positive divisors.
The sum of these divisors (counting 20978042) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000001100101111010
3
Ternary
1110110210110112
4
Quaternary
1100001211322
5
Quinary
20332244132
6
Senary
2025344322
8
Octal
120014572
10
Decimal
20978042
12
Duodecimal
70380a2
16
Hexadecimal
140197a
20
Vigesimal
6b2522
36
Base36
chmre
md5
a83d3cd20d6c38beb25f72925defc7fe
sha1
0b578d81345d1ce2c2c44c45f3099caf5a937f10
sha256
7443d0fd29506bc5e09b88987bf054aff1759ea19bed0dfa5aba6f246185ec39
sha512
1373a7a5650384f7c1b7a4f7aed5ff7a068a9035acde59d02ea2964678d286d248d227eee538c9ed9cd4e6f51a130710d394585b3e215fae67b1d35f05c5d465
ripemd-160
62face6568cb3af1604114350970753ddb72e6b5
Diameter
41956084
Circumference
131808925.2678
Area
1.3825465851213E+15
Volume
3.8670827106176E+22
Surface area
5.5301863404854E+15
Circumference
131808925.2678
Perimeter
83912168
Area
440078246153764
Diagonal
29667431.508432
Surface area
2640469476922584
Volume
9.2319799311E+21
Space diagonal
36335034.587314
Perimeter
62934126
Area
1.9055947041103E+14
Altitude
18167517.293657
Surface area
1.9055947041103E+14
Volume
1.0879992688432E+21
Height
9889143.8361441