21887797 is an odd 8-digits prime number following 21887796
and preceding 21887798 . In scientific notation, it is written as 2.1887797 × 10^7.
The sum of its digits is 49. It has a total of 1 prime factors and 2 positive divisors.
There are 21887796 positive integers (up to 21887797) that are relatively prime to 21887797.
21887797 has 2 divisors, whose sum is 21887798
The reverse of 21887797 is 79778812
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 49 Digital Root 4
Name
twenty-one million eight hundred eighty-seven thousand seven hundred ninety-seven
Scientific notation
2.1887797 × 10^7
Engineering notation
2.1887797 × 10^6
Prime Factorization
21887797
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
21887797 Product of the distinct prime numbers
The prime factorization of 21887797 is 21887797.
Since it has a total of 1 prime factors.
10 , 3 , 94 , 3 , 461 , 59 , 4842 , 4604 , 86838 , 98030 , 323393 , 206903 , 7785617 , 7244575 , 76121882 , 64916953 , 86969484 , 197820708 , 1513628867 , 1933853554
n×2
43775594
n×3
65663391
n×4
87551188
n×5
109438985
n÷2
10943898.5
n÷3
7295932.3333333
n÷3
5471949.25
n÷5
4377559.4
n2
479075657513209
n3
1.0485910739291E+22
n4
2.2951348562171E+29
n5
5.0235445820505E+36
2 √n4678.4395902908
3 √n279.7267615077
4 √n68.399119806404
5 √n29.379230084533
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
21887798 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10943899 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4678.439697164 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999086249 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21887797 can be divided by 2 positive divisors.
The sum of these divisors (counting 21887797) is 21887798, the average is 10943899.
Base
System
Value
2
Binary
1010011011111101100110101
3
Ternary
1112012000102011
4
Quaternary
1103133230311
5
Quinary
21100402142
6
Senary
2101044221
8
Octal
123375465
10
Decimal
21887797
12
Duodecimal
73b6671
16
Hexadecimal
14dfb35
20
Vigesimal
6gfj9h
36
Base36
d14qd
md5
030ff5d86144787e4fe7451825e7fff2
sha1
93506cf9a86a1f6e868d43618d986f27a84816c8
sha256
c27ceee6fa9143fad1b6355f8fb0dc9926b8146b555d6d7fa2a462d7f36942d9
sha512
a2b3955978174df167ef82061b08550a66414c842e3149335a37a0d72941f149d3b82347464b02e7a510a55a32165133a7dc8f6d1cbfb9eb140f43a2ef35a26c
ripemd-160
d079bd9d3a02d219bfb9043b9808576cb9a3d48f
Diameter
43775594
Circumference
137525084.51693
Area
1.5050605661572E+15
Volume
4.3923280193005E+22
Surface area
6.0202422646288E+15
Circumference
137525084.51693
Perimeter
87551188
Area
479075657513209
Diagonal
30954019.367869
Surface area
2874453945079254
Volume
1.0485910739291E+22
Space diagonal
37910776.469754
Perimeter
65663391
Area
2.0744584487059E+14
Altitude
18955388.234877
Surface area
2.0744584487059E+14
Volume
1.2357764317782E+21
Height
10318006.455956