20446987 is an odd 8-digits composite number following 20446986
and preceding 20446988 . In scientific notation, it is written as 2.0446987 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 18134400 positive integers (up to 20446987) that are relatively prime to 20446987.
20446987 has 8 divisors, whose sum is 22850352
The reverse of 20446987 is 78964402
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million four hundred forty-six thousand nine hundred eighty-seven
Scientific notation
2.0446987 × 10^7
Engineering notation
2.0446987 × 10^6
Prime Factorization
11 × 41 × 45337
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20446987
Product of the distinct prime numbers
The prime factorization of 20446987 is 11 × 41 × 45337.
Since it has a total of 3 prime factors.
1 , 4 , 56 , 28 , 883 , 221 , 7353 , 6559 , 53521 , 59820 , 788173 , 92506 , 9987464 , 5312885 , 73163523 , 74809747 , 209037781 , 902983526 , 9539490593 , 4027725001
n×2
40893974
n×3
61340961
n×4
81787948
n×5
102234935
n÷2
10223493.5
n÷3
6815662.3333333
n÷3
5111746.75
n÷5
4089397.4
n2
418079277378169
n3
8.5484615495208E+21
n4
1.7479028217305E+29
n5
3.5739346273187E+36
2 √n
4521.8344728661
3 √n
273.44906345874
4 √n
67.244586941003
5 √n
28.981833971386
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
-20446986
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 20446987 can be divided by 8 positive divisors.
The sum of these divisors (counting 20446987) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101111111111100001011
3
Ternary
1102110210222211
4
Quaternary
1031333330023
5
Quinary
20213300422
6
Senary
2010125551
8
Octal
115777413
10
Decimal
20446987
12
Duodecimal
6a208b7
16
Hexadecimal
137ff0b
20
Vigesimal
67fh97
36
Base36
c68zv
md5
9f50b8a15ebf7236a50e73f4f9bb5e13
sha1
5e84552f5d5832176720add38cce63f5a7da7e61
sha256
f489273c56ad41521e662426e2d74f436429efa72a875e64fe992ad29e507636
sha512
e0b2a398a5d254f240d39303c951d1b3620ca81c3f13b713c5a6b27d931003f62e72648a44ff129b5bef895de510ac350b1654997c7146099cbfba19775bd32a
ripemd-160
b1e88b84c8396e323d4d781289c550173998b74d
Diameter
40893974
Circumference
128472208.29449
Area
1.3134347864294E+15
Volume
3.5807712004626E+22
Surface area
5.2537391457175E+15
Circumference
128472208.29449
Perimeter
81787948
Area
418079277378169
Diagonal
28916406.325066
Surface area
2508475664269014
Volume
8.5484615495208E+21
Space diagonal
35415220.3457
Perimeter
61340961
Area
1.8103363750267E+14
Altitude
17707610.17285
Surface area
1.8103363750267E+14
Volume
1.0074458550631E+21
Height
9638802.1083555