20100728 is an even 8-digits composite number following 20100727
and preceding 20100729 . In scientific notation, it is written as 2.0100728 × 10^7.
The sum of its digits is 20. It has a total of 5 prime factors and 16 positive divisors.
There are 9946368 positive integers (up to 20100728) that are relatively prime to 20100728.
20100728 has 16 divisors, whose sum is 38078880
The reverse of 20100728 is 82700102
Previous prime number is 97
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million one hundred thousand seven hundred twenty-eight
Scientific notation
2.0100728 × 10^7
Engineering notation
2.0100728 × 10^6
Prime Factorization
2 × 2 × 2 × 97 × 25903
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5025182
Product of the distinct prime numbers
The prime factorization of 20100728 is 2 × 2 × 2 × 97 × 25903.
Since it has a total of 5 prime factors.
6 , 7 , 75 , 97 , 251 , 149 , 4697 , 5516 , 5463 , 85185 , 8282 , 719536 , 9797854 , 5133242 , 65277773 , 57145798 , 535290307 , 828349748 , 583954969 , 3694268618
n×2
40201456
n×3
60302184
n×4
80402912
n×5
100503640
n÷2
10050364
n÷3
6700242.6666667
n÷3
5025182
n÷5
4020145.6
n2
404039266129984
n3
8.1214833897984E+21
n4
1.6324772857486E+29
n5
3.281398188701E+36
2 √n
4483.3835437089
3 √n
271.89669519917
4 √n
66.958073028642
5 √n
28.883003798397
1 , 2 , 4 , 8 , 97 , 194 , 388 , 776 , 25903 , 51806 , 103612 , 207224 , 2512591 , 5025182 , 10050364 , 20100728
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
-20100727
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 20100728 can be divided by 16 positive divisors.
The sum of these divisors (counting 20100728) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100101011011001111000
3
Ternary
1101211020000102
4
Quaternary
1030223121320
5
Quinary
20121210403
6
Senary
1554454532
8
Octal
114533170
10
Decimal
20100728
12
Duodecimal
6894448
16
Hexadecimal
132b678
20
Vigesimal
65cbg8
36
Base36
byttk
md5
c6926a938d4cd0de98ce75e917e02458
sha1
e54a26478cbc2fe9793b01c5f2ef91f73dc50bb5
sha256
1cd6a73d47059c1dc384fc967b5ba2b119204e9563ab8617b1eb459405e9d699
sha512
034e76de9452ab48cd1d2161e168f7993bf51ba776c49ba60f9c8d6552eeb32875bc79dc412fdc904be33b72c8f65e55a6772d6cd5420e89ce0054a012065a69
ripemd-160
fa1cf19060f47f9bb3d6f27ce088915a0ec7afb5
Diameter
40201456
Circumference
126296598.83321
Area
1.2693267902358E+15
Volume
3.4019190071523E+22
Surface area
5.0773071609431E+15
Circumference
126296598.83321
Perimeter
80402912
Area
404039266129984
Diagonal
28426722.151173
Surface area
2424235596779904
Volume
8.1214833897984E+21
Space diagonal
34815482.165122
Perimeter
60302184
Area
1.7495413429749E+14
Altitude
17407741.082561
Surface area
1.7495413429749E+14
Volume
9.5712599637006E+20
Height
9475574.0503909