20989976 is an even 8-digits composite number following 20989975
and preceding 20989977 . In scientific notation, it is written as 2.0989976 × 10^7.
The sum of its digits is 50. It has a total of 6 prime factors and 32 positive divisors.
There are 8547840 positive integers (up to 20989976) that are relatively prime to 20989976.
20989976 has 32 divisors, whose sum is 41040000
The reverse of 20989976 is 67998902
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
twenty million nine hundred eighty-nine thousand nine hundred seventy-six
Scientific notation
2.0989976 × 10^7
Engineering notation
2.0989976 × 10^6
Prime Factorization
2 × 2 × 2 × 749 × 31 × 113
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5247494
Product of the distinct prime numbers
The prime factorization of 20989976 is 2 × 2 × 2 × 749 × 31 × 113.
Since it has a total of 6 prime factors.
8 , 8 , 15 , 89 , 491 , 842 , 6839 , 3066 , 40552 , 40423 , 578664 , 5743 , 8705147 , 4673263 , 3402890 , 67061798 , 443631107 , 813650911 , 2241739975 , 3422179160
n×2
41979952
n×3
62969928
n×4
83959904
n×5
104949880
n÷2
10494988
n÷3
6996658.6666667
n÷3
5247494
n÷5
4197995.2
n2
440579092480576
n3
9.2477445772691E+21
n4
1.9410993673101E+29
n5
4.0743629133454E+36
2 √n
4581.481856343
3 √n
275.84851310255
4 √n
67.68664459362
5 √n
29.134152448487
1 , 2 , 4 , 8 , 31 , 62 , 113 , 124 , 226 , 248 , 452 , 749 , 904 , 1498 , 2996 , 3503 , 5992 , 7006 , 14012 , 23219 , 28024 , 46438 , 84637 , 92876 , 169274 , 185752 , 338548 , 677096 , 2623747 , 5247494 , 10494988 , 20989976
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20989975
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20989976 can be divided by 32 positive divisors.
The sum of these divisors (counting 20989976) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000000100100000011000
3
Ternary
1110111101211112
4
Quaternary
1100010200120
5
Quinary
20333134401
6
Senary
2025515452
8
Octal
120044030
10
Decimal
20989976
12
Duodecimal
7042b88
16
Hexadecimal
1404818
20
Vigesimal
6b3eig
36
Base36
chvyw
md5
c8eb8723325b68ed27488b97d7eb1910
sha1
b14efcd54046f43b30e9f3f776f6dbbe05eb35b6
sha256
f2306ad8078ce29e422408aa24cf8f79b57977beb95c2d286ac67916406d8596
sha512
87af9cc8285f5ad2646e6fd49e3e57c985aa74c6bbdc599951caed2797f24ef4bbfd1e4ee7eaf801a9d0312d4bd98d83c5b9de847ad2d9fa71f8ff7a2628617c
ripemd-160
1971d7d4a6879d9cf00be86a3d04b7792a5fa08a
Diameter
41979952
Circumference
131883908.80125
Area
1.3841200402622E+15
Volume
3.8736861901631E+22
Surface area
5.5364801610489E+15
Circumference
131883908.80125
Perimeter
83959904
Area
440579092480576
Diagonal
29684308.733086
Surface area
2643474554883456
Volume
9.2477445772691E+21
Space diagonal
36355704.881651
Perimeter
62969928
Area
1.9077634323224E+14
Altitude
18177852.440826
Surface area
1.9077634323224E+14
Volume
1.0898571502113E+21
Height
9894769.5776953