20449991 is an odd 8-digits prime number following 20449990
and preceding 20449992 . In scientific notation, it is written as 2.0449991 × 10^7.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 20449990 positive integers (up to 20449991) that are relatively prime to 20449991.
20449991 has 2 divisors, whose sum is 20449992
The reverse of 20449991 is 19994402
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million four hundred forty-nine thousand nine hundred ninety-one
Scientific notation
2.0449991 × 10^7
Engineering notation
2.0449991 × 10^6
Prime Factorization
20449991
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20449991
Product of the distinct prime numbers
The prime factorization of 20449991 is 20449991.
Since it has a total of 1 prime factors.
7 , 2 , 26 , 27 , 802 , 131 , 9090 , 9239 , 61712 , 86950 , 921632 , 644102 , 5542256 , 321767 , 86567129 , 15451220 , 310617292 , 777548568 , 846689680 , 4541667092
n×2
40899982
n×3
61349973
n×4
81799964
n×5
102249955
n÷2
10224995.5
n÷3
6816663.6666667
n÷3
5112497.75
n÷5
4089998.2
n2
418202131900081
n3
8.5522298335375E+21
n4
1.7489302312577E+29
n5
3.5765607488848E+36
2 √n
4522.1666267399
3 √n
273.46245419714
4 √n
67.247056639974
5 √n
28.982685503335
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20449992
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10224996
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4522.1667373064
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999022005
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20449991 can be divided by 2 positive divisors.
The sum of these divisors (counting 20449991) is 20449992, the average is 10224996.
Base
System
Value
2
Binary
1001110000000101011000111
3
Ternary
1102110222010002
4
Quaternary
1032000223013
5
Quinary
20213344431
6
Senary
2010151515
8
Octal
116005307
10
Decimal
20449991
12
Duodecimal
6a2259b
16
Hexadecimal
1380ac7
20
Vigesimal
67g4jb
36
Base36
c6bbb
md5
96a934bf908e1af0f99741ee03f1da2d
sha1
0170cf5620378006fb35d536c3edd3ebf19b3fe3
sha256
c120d4d2d6da023f585626d367bdd953fa1d913f66d621a4fdfe2af39b7c32ce
sha512
9f28e2c30d62830b567781e9c812d89ebea9150ac96ee167cd5d312c32667222cd970c0474658ca917b8ca7a5441268a2f9728426958e3c6ed9280badc2dc10c
ripemd-160
19c8ce52cc6a01cc7c10d9bf630bd12ba436a433
Diameter
40899982
Circumference
128491082.98315
Area
1.3138207452929E+15
Volume
3.5823496555804E+22
Surface area
5.2552829811715E+15
Circumference
128491082.98315
Perimeter
81799964
Area
418202131900081
Diagonal
28920654.622608
Surface area
2509212791400486
Volume
8.5522298335375E+21
Space diagonal
35420423.426326
Perimeter
61349973
Area
1.8108683507114E+14
Altitude
17710211.713163
Surface area
1.8108683507114E+14
Volume
1.0078899515934E+21
Height
9640218.2075359