20407949 is an odd 8-digits composite number following 20407948
and preceding 20407950 . In scientific notation, it is written as 2.0407949 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 20352864 positive integers (up to 20407949) that are relatively prime to 20407949.
20407949 has 4 divisors, whose sum is 20463036
The reverse of 20407949 is 94970402
Previous prime number is 373
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million four hundred seven thousand nine hundred forty-nine
Scientific notation
2.0407949 × 10^7
Engineering notation
2.0407949 × 10^6
Prime Factorization
373 × 54713
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20407949
Product of the distinct prime numbers
The prime factorization of 20407949 is 373 × 54713.
Since it has a total of 2 prime factors.
1 , 2 , 2 , 78 , 625 , 1000 , 6770 , 7908 , 49483 , 56833 , 220237 , 903465 , 7685726 , 5059128 , 57042359 , 73987980 , 57540221 , 732032513 , 9879101022 , 9104062880
n×2
40815898
n×3
61223847
n×4
81631796
n×5
102039745
n÷2
10203974.5
n÷3
6802649.6666667
n÷3
5101987.25
n÷5
4081589.8
n2
416484382386601
n3
8.4995920350423E+21
n4
1.7345924077195E+29
n5
3.5399473392526E+36
2 √n
4517.5157996403
3 √n
273.27492687535
4 √n
67.21246759077
5 √n
28.970758913126
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20407948
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20407949 can be divided by 4 positive divisors.
The sum of these divisors (counting 20407949) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101110110011010001101
3
Ternary
1102101211102222
4
Quaternary
1031312122031
5
Quinary
20211023244
6
Senary
2005225125
8
Octal
115663215
10
Decimal
20407949
12
Duodecimal
6a021a5
16
Hexadecimal
137668d
20
Vigesimal
67ajh9
36
Base36
c5evh
md5
ed0d06d1e0426fa9f4020d056616a018
sha1
050f24d670765b1ff9780a16b6525eafff5509a3
sha256
1590d944ecf87113880a79030ff664042ea56c78bf63daca11993c3661446ffa
sha512
148412c79bf167e99a1e7234a64ba3683d0bee2bf0b32c4220d4a08fccc6128ea7566215911249036a1326c774c28fe5ef9f54e650afc8a0766f3afb5f526b30
ripemd-160
265983a1b586f87d3c6444cc83d190f171215d35
Diameter
40815898
Circumference
128226925.30647
Area
1.3084242760406E+15
Volume
3.5603007861065E+22
Surface area
5.2336971041625E+15
Circumference
128226925.30647
Perimeter
81631796
Area
416484382386601
Diagonal
28861198.256018
Surface area
2498906294319606
Volume
8.4995920350423E+21
Space diagonal
35347604.546274
Perimeter
61223847
Area
1.8034302771313E+14
Altitude
17673802.273137
Surface area
1.8034302771313E+14
Volume
1.0016865275496E+21
Height
9620399.4186728