20487958 is an even 8-digits composite number following 20487957
and preceding 20487959 . In scientific notation, it is written as 2.0487958 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 9435520 positive integers (up to 20487958) that are relatively prime to 20487958.
20487958 has 16 divisors, whose sum is 33234624
The reverse of 20487958 is 85978402
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty million four hundred eighty-seven thousand nine hundred fifty-eight
Scientific notation
2.0487958 × 10^7
Engineering notation
2.0487958 × 10^6
Prime Factorization
2 × 17 × 47 × 12821
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20487958
Product of the distinct prime numbers
The prime factorization of 20487958 is 2 × 17 × 47 × 12821.
Since it has a total of 4 prime factors.
7 , 1 , 13 , 60 , 546 , 421 , 6195 , 5737 , 12446 , 42885 , 568474 , 583081 , 6694581 , 7473740 , 43014344 , 40469618 , 565025641 , 995010775 , 2211829396 , 870822024
n×2
40975916
n×3
61463874
n×4
81951832
n×5
102439790
n÷2
10243979
n÷3
6829319.3333333
n÷3
5121989.5
n÷5
4097591.6
n2
419756423009764
n3
8.5999519648543E+21
n4
1.7619545465795E+29
n5
3.609885074823E+36
2 √n
4526.3625572859
3 √n
273.6315843495
4 √n
67.278247281613
5 √n
28.993439242532
1 , 2 , 17 , 34 , 47 , 94 , 799 , 1598 , 12821 , 25642 , 217957 , 435914 , 602587 , 1205174 , 10243979 , 20487958
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
-20487957
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 20487958 can be divided by 16 positive divisors.
The sum of these divisors (counting 20487958) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110001001111100010110
3
Ternary
1102112220012021
4
Quaternary
1032021330112
5
Quinary
20221103313
6
Senary
2011043354
8
Octal
116117426
10
Decimal
20487958
12
Duodecimal
6a4055a
16
Hexadecimal
1389f16
20
Vigesimal
680jhi
36
Base36
c74ly
md5
faba33a3679bc70108e4ab686feff7f6
sha1
3b08eac793cceca6f7ee41c2179bc7dd0a49acf0
sha256
d4afa0f3fac460b1ec45f67f1fb33b27cf0c4af2a6d8785265571e051842a06d
sha512
2ea88c6af0109408797d062ed558f9ddde965e3769437f08f8682478f0fb8c17fa462e385ac77615dc084903c6bc5e43bcf9de536b82dec79cbb90346a537ad2
ripemd-160
0a7acbfeb27f5c26c4f5813b7abe44d3998fbe73
Diameter
40975916
Circumference
128729636.67971
Area
1.3187036948246E+15
Volume
3.6023394552015E+22
Surface area
5.2748147792984E+15
Circumference
128729636.67971
Perimeter
81951832
Area
419756423009764
Diagonal
28974348.06893
Surface area
2518538538058584
Volume
8.5999519648543E+21
Space diagonal
35486184.199337
Perimeter
61463874
Area
1.8175986286407E+14
Altitude
17743092.099669
Surface area
1.8175986286407E+14
Volume
1.0135140587045E+21
Height
9658116.0229768