20451889 is an odd 8-digits composite number following 20451888
and preceding 20451890 . In scientific notation, it is written as 2.0451889 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 20203776 positive integers (up to 20451889) that are relatively prime to 20451889.
20451889 has 8 divisors, whose sum is 20701800
The reverse of 20451889 is 98815402
Previous prime number is 433
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million four hundred fifty-one thousand eight hundred eighty-nine
Scientific notation
2.0451889 × 10^7
Engineering notation
2.0451889 × 10^6
Prime Factorization
149 × 433 × 317
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20451889
Product of the distinct prime numbers
The prime factorization of 20451889 is 149 × 433 × 317.
Since it has a total of 3 prime factors.
1 , 9 , 52 , 37 , 745 , 640 , 3012 , 3646 , 78479 , 92878 , 740249 , 201137 , 5057291 , 4073275 , 54130422 , 66952449 , 881217087 , 413608417 , 3816911612 , 1525721993
n×2
40903778
n×3
61355667
n×4
81807556
n×5
102259445
n÷2
10225944.5
n÷3
6817296.3333333
n÷3
5112972.25
n÷5
4090377.8
n2
418279763668321
n3
8.5546112974907E+21
n4
1.7495796069443E+29
n5
3.5782207917888E+36
2 √n
4522.3764770306
3 √n
273.47091411417
4 √n
67.248616915373
5 √n
28.983223470271
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
-20451888
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 20451889 can be divided by 8 positive divisors.
The sum of these divisors (counting 20451889) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110000001001000110001
3
Ternary
1102111001201101
4
Quaternary
1032001020301
5
Quinary
20213430024
6
Senary
2010204401
8
Octal
116011061
10
Decimal
20451889
12
Duodecimal
6a23701
16
Hexadecimal
1381231
20
Vigesimal
67g9e9
36
Base36
c6cs1
md5
6fed0782c96e34f5dd7c50b887673900
sha1
18be34979f2c042cb741c04900c1b729bbeb4bd5
sha256
1910874e65df65b8fc04de0cabe5dc629a9ca3009195337137fc00cd19fcb8b4
sha512
115b7f7b74b8ac737bdf40f5c0e1e729dc5598fd79e0ac26bdaee404a0e09f65ec4041a2c2c9192f9edc64b3cd52fa5e74ea8657fe6510d52cfe4124212ff48e
ripemd-160
089d397884bf465137390524ad2196da3265da69
Diameter
40903778
Circumference
128503008.46887
Area
1.3140646326857E+15
Volume
3.5833472008684E+22
Surface area
5.2562585307427E+15
Circumference
128503008.46887
Perimeter
81807556
Area
418279763668321
Diagonal
28923338.799949
Surface area
2509678582009926
Volume
8.5546112974907E+21
Space diagonal
35423710.858759
Perimeter
61355667
Area
1.8112045061286E+14
Altitude
17711855.42938
Surface area
1.8112045061286E+14
Volume
1.0081706098118E+21
Height
9641112.9333164