20101898 is an even 8-digits composite number following 20101897
and preceding 20101899 . In scientific notation, it is written as 2.0101898 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 9817164 positive integers (up to 20101898) that are relatively prime to 20101898.
20101898 has 8 divisors, whose sum is 30854208
The reverse of 20101898 is 89810102
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred one thousand eight hundred ninety-eight
Scientific notation
2.0101898 × 10^7
Engineering notation
2.0101898 × 10^6
Prime Factorization
2 × 43 × 233743
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20101898
Product of the distinct prime numbers
The prime factorization of 20101898 is 2 × 43 × 233743.
Since it has a total of 3 prime factors.
3 , 2 , 74 , 40 , 210 , 674 , 1550 , 4800 , 47871 , 32728 , 670317 , 861030 , 2897830 , 3697468 , 99439841 , 95104184 , 796595826 , 645458683 , 4039611682 , 3262170075
n×2
40203796
n×3
60305694
n×4
80407592
n×5
100509490
n÷2
10050949
n÷3
6700632.6666667
n÷3
5025474.5
n÷5
4020379.6
n2
404086303202404
n3
8.1229016501718E+21
n4
1.6328574043579E+29
n5
3.2823532990946E+36
2 √n
4483.5140236203
3 √n
271.90197051327
4 √n
66.959047361953
5 √n
28.883340028285
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20101897
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20101898 can be divided by 8 positive divisors.
The sum of these divisors (counting 20101898) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100101011101100001010
3
Ternary
1101211021121202
4
Quaternary
1030223230022
5
Quinary
20121230043
6
Senary
1554504202
8
Octal
114535412
10
Decimal
20101898
12
Duodecimal
6895062
16
Hexadecimal
132bb0a
20
Vigesimal
65ceei
36
Base36
byuq2
md5
098b5e5c5c95ddf49789c4b0edf5a7e2
sha1
23789c4bb9c541208a575da0f7ca5c540813194d
sha256
de7e4586df4ea5f6672f3b052e3646a04195a9b2d3f283ac2f7560769f242391
sha512
ef94845d613d51cb85fbafbd4b5b98b0948de1221cff1b8046f0bc1c97adccd7d85ab5e5c019b583efdfccfd13bbbeab6a0183470d69e7cd22b5559d6417c477
ripemd-160
c424d44c9f82807ed513ca508b9b2aa6c8e55b41
Diameter
40203796
Circumference
126303950.16002
Area
1.2694745615569E+15
Volume
3.4025130866683E+22
Surface area
5.0778982462277E+15
Circumference
126303950.16002
Perimeter
80407592
Area
404086303202404
Diagonal
28428376.781041
Surface area
2424517819214424
Volume
8.1229016501718E+21
Space diagonal
34817508.664567
Perimeter
60305694
Area
1.7497450194731E+14
Altitude
17408754.332284
Surface area
1.7497450194731E+14
Volume
9.5729313995798E+20
Height
9476125.5936802