20001868 is an even 8-digits composite number following 20001867
and preceding 20001869 . In scientific notation, it is written as 2.0001868 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors.
There are 9978320 positive integers (up to 20001868) that are relatively prime to 20001868.
20001868 has 12 divisors, whose sum is 35082432
The reverse of 20001868 is 86810002
Previous prime number is 461
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one thousand eight hundred sixty-eight
Scientific notation
2.0001868 × 10^7
Engineering notation
2.0001868 × 10^6
Prime Factorization
2 × 2 × 461 × 10847
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10000934
Product of the distinct prime numbers
The prime factorization of 20001868 is 2 × 2 × 461 × 10847.
Since it has a total of 4 prime factors.
7 , 10 , 62 , 63 , 805 , 476 , 2078 , 703 , 63525 , 95518 , 265062 , 141815 , 3212370 , 3050241 , 18753290 , 94425064 , 544007100 , 220824486 , 4503374565 , 633511624
n×2
40003736
n×3
60005604
n×4
80007472
n×5
100009340
n÷2
10000934
n÷3
6667289.3333333
n÷3
5000467
n÷5
4000373.6
n2
400074723489424
n3
8.002241809372E+21
n4
1.6005978437514E+29
n5
3.20149467918E+36
2 √n
4472.3447988723
3 √n
271.45021228325
4 √n
66.875591951565
5 √n
28.854537090693
1 , 2 , 4 , 461 , 922 , 1844 , 10847 , 21694 , 43388 , 5000467 , 10000934 , 20001868
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
-20001867
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 20001868 can be divided by 12 positive divisors.
The sum of these divisors (counting 20001868) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100010011010001001100
3
Ternary
1101122012101221
4
Quaternary
1030103101030
5
Quinary
20110024433
6
Senary
1552413124
8
Octal
114232114
10
Decimal
20001868
12
Duodecimal
68471a4
16
Hexadecimal
131344c
20
Vigesimal
6504d8
36
Base36
bwpjg
md5
f52f33e12b81822edab1408347b53dad
sha1
0b20e7b3b321f3729913e68c96ad6c5e421db56c
sha256
71dd4ce051fe6e57f2509dbc7ed654c008c948393f4003b74c199e9f5b72c2cc
sha512
59a47d99d083e7ffe9608bd71189a8a134e684cc87fa5b7dbb577f4a8d31ec38f0e4e66d370c71d74cd3afb8ddd58796155801fd50883cab347e76204eab8b71
ripemd-160
69d4be0d184f8fe61b4b8ce4e8533b3fc93055b8
Diameter
40003736
Circumference
125675443.13375
Area
1.2568718122013E+15
Volume
3.3519712107429E+22
Surface area
5.0274872488054E+15
Circumference
125675443.13375
Perimeter
80007472
Area
400074723489424
Diagonal
28286912.998396
Surface area
2400448340936544
Volume
8.002241809372E+21
Space diagonal
34644251.622286
Perimeter
60005604
Area
1.7323743697694E+14
Altitude
17322125.811143
Surface area
1.7323743697694E+14
Volume
9.4307324135024E+20
Height
9428970.9994655