20949999 is an odd 8-digits composite number following 20949998
and preceding 20950000 . In scientific notation, it is written as 2.0949999 × 10^7.
The sum of its digits is 51. It has a total of 5 prime factors and 24 positive divisors.
There are 11741184 positive integers (up to 20949999) that are relatively prime to 20949999.
20949999 has 24 divisors, whose sum is 33119280
The reverse of 20949999 is 99994902
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
twenty million nine hundred forty-nine thousand nine hundred ninety-nine
Scientific notation
2.0949999 × 10^7
Engineering notation
2.0949999 × 10^6
Prime Factorization
3 × 53 × 7 × 7 × 2689
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2992857
Product of the distinct prime numbers
The prime factorization of 20949999 is 3 × 53 × 7 × 7 × 2689.
Since it has a total of 5 prime factors.
3 , 10 , 1 , 20 , 316 , 389 , 3862 , 5277 , 21233 , 68376 , 127933 , 601224 , 8500729 , 4150812 , 65038364 , 63612330 , 791759415 , 843406315 , 1191471414 , 9182251198
n×2
41899998
n×3
62849997
n×4
83799996
n×5
104749995
n÷2
10474999.5
n÷3
6983333
n÷3
5237499.75
n÷5
4189999.8
n2
438902458100001
n3
9.1950060582926E+21
n4
1.9263536772622E+29
n5
4.035710761229E+36
2 √n
4577.1168872993
3 √n
275.6732770059
4 √n
67.654392963792
5 √n
29.123046344044
1 , 3 , 7 , 21 , 49 , 53 , 147 , 159 , 371 , 1113 , 2597 , 2689 , 7791 , 8067 , 18823 , 56469 , 131761 , 142517 , 395283 , 427551 , 997619 , 2992857 , 6983333 , 20949999
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20949998
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20949999 can be divided by 24 positive divisors.
The sum of these divisors (counting 20949999) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111111010101111101111
3
Ternary
1110102100222220
4
Quaternary
1033322233233
5
Quinary
20330344444
6
Senary
2025010423
8
Octal
117725757
10
Decimal
20949999
12
Duodecimal
7023a13
16
Hexadecimal
13fabef
20
Vigesimal
6aiejj
36
Base36
ch14f
md5
82079d5a017aa37a661a26571ba71242
sha1
d1505c6b9b7ad20b4dfb594680873ff0fa579d75
sha256
595acef0418c51c51ed5459aeb671108b6ae81dd327e765aced6ff957d1e1a2c
sha512
ac8343fa502ae846fd85dcb872d5622c79b750570e53829676c1575ce25231bc830c875e995c84ae365438dd361b7541102dc74b58aa440e4df1058ad922c6b9
ripemd-160
316aef84b0db17204b72d5f1ae631cf364e8db20
Diameter
41899998
Circumference
131632725.90223
Area
1.3788527380095E+15
Volume
3.8515951309927E+22
Surface area
5.5154109520379E+15
Circumference
131632725.90223
Perimeter
83799996
Area
438902458100001
Diagonal
29627772.717503
Surface area
2633414748600006
Volume
9.1950060582926E+21
Space diagonal
36286462.686517
Perimeter
62849997
Area
1.9005033924902E+14
Altitude
18143231.343259
Surface area
1.9005033924902E+14
Volume
1.083641856145E+21
Height
9875924.2391676