20451950 is an even 8-digits composite number following 20451949
and preceding 20451951 . In scientific notation, it is written as 2.0451950 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 8153600 positive integers (up to 20451950) that are relatively prime to 20451950.
20451950 has 16 divisors, whose sum is 32011200
The reverse of 20451950 is 05915402
Previous prime number is 449
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million four hundred fifty-one thousand nine hundred fifty
Scientific notation
2.0451950 × 10^7
Engineering notation
2.0451950 × 10^6
Prime Factorization
2 × 25 × 449 × 911
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20451950
Product of the distinct prime numbers
The prime factorization of 20451950 is 2 × 25 × 449 × 911.
Since it has a total of 4 prime factors.
3 , 6 , 82 , 30 , 859 , 988 , 8850 , 6980 , 9855 , 334 , 916017 , 1913 , 1059112 , 6365480 , 43282091 , 60715393 , 85644708 , 330127202 , 1176498702 , 7114522795
n×2
40903900
n×3
61355850
n×4
81807800
n×5
102259750
n÷2
10225975
n÷3
6817316.6666667
n÷3
5112987.5
n÷5
4090390
n2
418282258802500
n3
8.5546878429158E+21
n4
1.7496004802892E+29
n5
3.5782741542851E+36
2 √n
4522.3832212673
3 √n
273.47118599956
4 √n
67.248667059409
5 √n
28.983240759378
1 , 2 , 25 , 50 , 449 , 898 , 911 , 1822 , 11225 , 22450 , 22775 , 45550 , 409039 , 818078 , 10225975 , 20451950
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20451949
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20451950 can be divided by 16 positive divisors.
The sum of these divisors (counting 20451950) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110000001001001101110
3
Ternary
1102111001210122
4
Quaternary
1032001021232
5
Quinary
20213430300
6
Senary
2010204542
8
Octal
116011156
10
Decimal
20451950
12
Duodecimal
6a23752
16
Hexadecimal
138126e
20
Vigesimal
67g9ha
36
Base36
c6ctq
md5
bc027832378fa85da596295b02f3507c
sha1
2984bfe81d1abcc5529b80ee1b85b6aee8f4ac99
sha256
b4b2ebedc06e379a092a95d2dcf3e6a109f8df117186b74bf0bda537d4ec5ec6
sha512
56ace43eccc192819e1ba0aa44ede0c1916b966734326a021069f31e49d04e6813fcbf0b9a7b475f79ee385f596bcc2f26c795ebb9a28eb6f5811bd481aef6fc
ripemd-160
2195ccf8a634796d44bf2915a5bcc0debfb936cf
Diameter
40903900
Circumference
128503391.74317
Area
1.3140724713809E+15
Volume
3.5833792641411E+22
Surface area
5.2562898855235E+15
Circumference
128503391.74317
Perimeter
81807800
Area
418282258802500
Diagonal
28923425.066976
Surface area
2509693552815000
Volume
8.5546878429158E+21
Space diagonal
35423816.513858
Perimeter
61355850
Area
1.8112153103765E+14
Altitude
17711908.256929
Surface area
1.8112153103765E+14
Volume
1.0081796307766E+21
Height
9641141.6889921