20808977 is an odd 8-digits composite number following 20808976
and preceding 20808978 . In scientific notation, it is written as 2.0808977 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 17768520 positive integers (up to 20808977) that are relatively prime to 20808977.
20808977 has 8 divisors, whose sum is 21314400
The reverse of 20808977 is 77980802
Previous prime number is 331
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million eight hundred eight thousand nine hundred seventy-seven
Scientific notation
2.0808977 × 10^7
Engineering notation
2.0808977 × 10^6
Prime Factorization
49 × 331 × 1283
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20808977
Product of the distinct prime numbers
The prime factorization of 20808977 is 49 × 331 × 1283.
Since it has a total of 3 prime factors.
10 , 9 , 32 , 33 , 695 , 92 , 5984 , 95 , 35776 , 50392 , 75319 , 335357 , 4637200 , 9033042 , 23358366 , 8746290 , 372175030 , 414119701 , 484936909 , 5865941265
n×2
41617954
n×3
62426931
n×4
83235908
n×5
104044885
n÷2
10404488.5
n÷3
6936325.6666667
n÷3
5202244.25
n÷5
4161795.4
n2
433013523786529
n3
9.0105684571628E+21
n4
1.8750071178203E+29
n5
3.9016979989558E+36
2 √n
4561.6857629609
3 √n
275.05333180525
4 √n
67.540252908624
5 √n
29.083732801658
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
-20808976
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 20808977 can be divided by 8 positive divisors.
The sum of these divisors (counting 20808977) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111011000010100010001
3
Ternary
1110011012112212
4
Quaternary
1033120110101
5
Quinary
20311341402
6
Senary
2022001505
8
Octal
117302421
10
Decimal
20808977
12
Duodecimal
6b76295
16
Hexadecimal
13d8511
20
Vigesimal
6a128h
36
Base36
ce0b5
md5
6b219277837248714c6fdb85e2667964
sha1
44a73d8cddcabec7ff4a853f608fe8d94eaa5e95
sha256
5ac00459314a9d73b67eb95204cdac5c8dbec7f65aebbd1ead92878d36d547f6
sha512
fe3b7952bd0f1403428d7d57688a297e3df019b7ff0820bffb98d4f5b3b0b9461ccca083462fb76cd975c15b78c96aadfad66d56614a413a5939842df58d56c8
ripemd-160
8391c0007970751d6e888372a2547a01fc5aa7d8
Diameter
41617954
Circumference
130746658.54384
Area
1.3603521052328E+15
Volume
3.7743380892921E+22
Surface area
5.4414084209312E+15
Circumference
130746658.54384
Perimeter
83235908
Area
433013523786529
Diagonal
29428337.49251
Surface area
2598081142719174
Volume
9.0105684571628E+21
Space diagonal
36042205.417532
Perimeter
62426931
Area
1.8750035589068E+14
Altitude
18021102.708766
Surface area
1.8750035589068E+14
Volume
1.0619056764009E+21
Height
9809445.8308366