20105450 is an even 8-digits composite number following 20105449
and preceding 20105451 . In scientific notation, it is written as 2.0105450 × 10^7.
The sum of its digits is 17. It has a total of 5 prime factors and 24 positive divisors.
There are 7692080 positive integers (up to 20105450) that are relatively prime to 20105450.
20105450 has 24 divisors, whose sum is 39024288
The reverse of 20105450 is 05450102
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million one hundred five thousand four hundred fifty
Scientific notation
2.0105450 × 10^7
Engineering notation
2.0105450 × 10^6
Prime Factorization
2 × 5 × 5 × 23 × 17483
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4021090
Product of the distinct prime numbers
The prime factorization of 20105450 is 2 × 5 × 5 × 23 × 17483.
Since it has a total of 5 prime factors.
4 , 2 , 85 , 36 , 155 , 217 , 7794 , 4098 , 37427 , 12092 , 619021 , 462746 , 6284519 , 8431948 , 87971953 , 48227511 , 691078022 , 450919903 , 4840232339 , 1082923791
n×2
40210900
n×3
60316350
n×4
80421800
n×5
100527250
n÷2
10052725
n÷3
6701816.6666667
n÷3
5026362.5
n÷5
4021090
n2
404229119702500
n3
8.1272083547226E+21
n4
1.6340118121546E+29
n5
3.2852542788683E+36
2 √n
4483.9101239878
3 √n
271.9179845719
4 √n
66.962005077415
5 √n
28.884360691839
1 , 2 , 5 , 10 , 23 , 25 , 46 , 50 , 115 , 230 , 575 , 1150 , 17483 , 34966 , 87415 , 174830 , 402109 , 437075 , 804218 , 874150 , 2010545 , 4021090 , 10052725 , 20105450
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
-20105449
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 20105450 can be divided by 24 positive divisors.
The sum of these divisors (counting 20105450) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100101100100011101010
3
Ternary
1101211110111022
4
Quaternary
1030230203222
5
Quinary
20121333300
6
Senary
1554532442
8
Octal
114544352
10
Decimal
20105450
12
Duodecimal
6897122
16
Hexadecimal
132c8ea
20
Vigesimal
65d3ca
36
Base36
byxgq
md5
d3ae7c9e7906d2112be477b54de8a6ee
sha1
b5b03f9cb90012ae922e5fcd0f30a969b32c5cb0
sha256
86db8a5b385f4f59684a47a198a90df751c7dbbe658a43668a045d526b4dc525
sha512
6a00f21f54de291792dfd9972c58b33fd8e2d157ec111be03dbbefe07e91a08c1695fb1144afea51fcda16e89f00e6f495c35fa5aaaa43c19209d90a9e75b38b
ripemd-160
545a9986a1fdc5a9767a0c7c694deb67ba698706
Diameter
40210900
Circumference
126326268.03423
Area
1.2699232328244E+15
Volume
3.404317074852E+22
Surface area
5.0796929312978E+15
Circumference
126326268.03423
Perimeter
80421800
Area
404229119702500
Diagonal
28433400.067614
Surface area
2425374718215000
Volume
8.1272083547226E+21
Space diagonal
34823660.909036
Perimeter
60316350
Area
1.7503634330589E+14
Altitude
17411830.454518
Surface area
1.7503634330589E+14
Volume
9.5780068995672E+20
Height
9477800.022538