20081898 is an even 8-digits composite number following 20081897
and preceding 20081899 . In scientific notation, it is written as 2.0081898 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 5901984 positive integers (up to 20081898) that are relatively prime to 20081898.
20081898 has 16 divisors, whose sum is 31599360
The reverse of 20081898 is 89818002
Previous prime number is 2109
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million eighty-one thousand eight hundred ninety-eight
Scientific notation
2.0081898 × 10^7
Engineering notation
2.0081898 × 10^6
Prime Factorization
2 × 207 × 2109 × 23
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20081898
Product of the distinct prime numbers
The prime factorization of 20081898 is 2 × 207 × 2109 × 23.
Since it has a total of 4 prime factors.
6 , 10 , 62 , 25 , 251 , 814 , 9986 , 4882 , 53809 , 7662 , 649114 , 555039 , 5673045 , 1934780 , 29450680 , 96476493 , 138940856 , 981136832 , 6679591980 , 8047402827
n×2
40163796
n×3
60245694
n×4
80327592
n×5
100409490
n÷2
10040949
n÷3
6693966
n÷3
5020474.5
n÷5
4016379.6
n2
403282627282404
n3
8.0986805862573E+21
n4
1.626368774678E+29
n5
3.2660571843468E+36
2 √n
4481.2830751917
3 √n
271.8117660311
4 √n
66.942386237658
5 √n
28.877590353968
1 , 2 , 23 , 46 , 207 , 414 , 2109 , 4218 , 4761 , 9522 , 48507 , 97014 , 436563 , 873126 , 10040949 , 20081898
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
-20081897
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 20081898 can be divided by 16 positive divisors.
The sum of these divisors (counting 20081898) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100100110110011101010
3
Ternary
1101210021012000
4
Quaternary
1030212303222
5
Quinary
20120110043
6
Senary
1554231430
8
Octal
114466352
10
Decimal
20081898
12
Duodecimal
6885576
16
Hexadecimal
1326cea
20
Vigesimal
65a4ei
36
Base36
byfai
md5
fdbe98e0aca0cf25cb1779eb09ac1867
sha1
f3f0c79dde82c509bb0d8133e8b39806e6120c1a
sha256
816805850e48f207b0b8cc3da915fc60dd8cbb6d4e2bd2da9d76c83cfea01928
sha512
49fd44c3552889f308c174c26861d32177d94d384da303bc4259a8385b598b869b095980ff4f8c4f3c4b7c345aab9b9800bae1b804a3c2f0ecc5d821d79abad4
ripemd-160
8e523223344549b3eb9a2edff0a9bfd4a5e93fd1
Diameter
40163796
Circumference
126178286.45388
Area
1.2669497391908E+15
Volume
3.3923673911408E+22
Surface area
5.0677989567632E+15
Circumference
126178286.45388
Perimeter
80327592
Area
403282627282404
Diagonal
28400092.509793
Surface area
2419695763694424
Volume
8.0986805862573E+21
Space diagonal
34782867.648416
Perimeter
60245694
Area
1.7462650006575E+14
Altitude
17391433.824208
Surface area
1.7462650006575E+14
Volume
9.5443866020106E+20
Height
9466697.5032644