20001428 is an even 8-digits composite number following 20001427
and preceding 20001429 . In scientific notation, it is written as 2.0001428 × 10^7.
The sum of its digits is 17. It has a total of 4 prime factors and 12 positive divisors.
There are 9988440 positive integers (up to 20001428) that are relatively prime to 20001428.
20001428 has 12 divisors, whose sum is 35045472
The reverse of 20001428 is 82410002
Previous prime number is 5171
Is Prime? no
Number parity even
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million one thousand four hundred twenty-eight
Scientific notation
2.0001428 × 10^7
Engineering notation
2.0001428 × 10^6
Prime Factorization
2 × 2 × 5171 × 967
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10000714
Product of the distinct prime numbers
The prime factorization of 20001428 is 2 × 2 × 5171 × 967.
Since it has a total of 4 prime factors.
5 , 2 , 35 , 7 , 649 , 763 , 2277 , 4496 , 74540 , 24491 , 126371 , 404745 , 2766255 , 5420559 , 62758646 , 40522448 , 840393873 , 963709904 , 199479415 , 4278317107
n×2
40002856
n×3
60004284
n×4
80005712
n×5
100007140
n÷2
10000714
n÷3
6667142.6666667
n÷3
5000357
n÷5
4000285.6
n2
400057122039184
n3
8.001713722354E+21
n4
1.6004570089427E+29
n5
3.2011425631464E+36
2 √n
4472.2956074034
3 √n
271.44822181967
4 √n
66.875224167127
5 √n
28.85441014147
1 , 2 , 4 , 967 , 1934 , 3868 , 5171 , 10342 , 20684 , 5000357 , 10000714 , 20001428
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20001427
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20001428 can be divided by 12 positive divisors.
The sum of these divisors (counting 20001428) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100010011001010010100
3
Ternary
1101122011210122
4
Quaternary
1030103022110
5
Quinary
20110021203
6
Senary
1552411112
8
Octal
114231224
10
Decimal
20001428
12
Duodecimal
6846a98
16
Hexadecimal
1313294
20
Vigesimal
6503b8
36
Base36
bwp78
md5
e0368cfad8773118a8a5f16da55817b0
sha1
c66295ce93f95326769961989a634cdff5c573fc
sha256
f498e73ed739de789226cc886d9329f1cb735473c0bc578331b2cf61cbb64591
sha512
3c379ee2dc72a50bcb56b10160d19e7a8f3d5bb603d45bcbd9f3e4bf9fb21f0b007671c0374b27b1b39732b1367ad3557a56a4c6710a4e17d0e29f7c5b35849e
ripemd-160
14f6bf24239d24e5f74347501d1dccdfdfb60cc3
Diameter
40002856
Circumference
125672678.53221
Area
1.2568165156146E+15
Volume
3.3517500061701E+22
Surface area
5.0272660624583E+15
Circumference
125672678.53221
Perimeter
80005712
Area
400057122039184
Diagonal
28286290.744429
Surface area
2400342732235104
Volume
8.001713722354E+21
Space diagonal
34643489.519931
Perimeter
60004284
Area
1.7322981532541E+14
Altitude
17321744.759965
Surface area
1.7322981532541E+14
Volume
9.4301100569832E+20
Height
9428763.5814763