21887771 is an odd 8-digits prime number following 21887770
and preceding 21887772 . In scientific notation, it is written as 2.1887771 × 10^7.
The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors.
There are 21887770 positive integers (up to 21887771) that are relatively prime to 21887771.
21887771 has 2 divisors, whose sum is 21887772
The reverse of 21887771 is 17778812
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty-one million eight hundred eighty-seven thousand seven hundred seventy-one
Scientific notation
2.1887771 × 10^7
Engineering notation
2.1887771 × 10^6
Prime Factorization
21887771
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21887771
Product of the distinct prime numbers
The prime factorization of 21887771 is 21887771.
Since it has a total of 1 prime factors.
5 , 8 , 42 , 76 , 947 , 75 , 5495 , 404 , 69544 , 92744 , 128199 , 210354 , 6545 , 2624709 , 82692858 , 41071686 , 755867769 , 892649544 , 9504617419 , 2410204431
n×2
43775542
n×3
65663313
n×4
87551084
n×5
109438855
n÷2
10943885.5
n÷3
7295923.6666667
n÷3
5471942.75
n÷5
4377554.2
n2
479074519348441
n3
1.0485873371434E+22
n4
2.2951239508894E+29
n5
5.0235147453682E+36
2 √n
4678.4368115857
3 √n
279.72665074737
4 √n
68.399099493968
5 √n
29.37922310475
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21887772
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10943886
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4678.436918459
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999086248
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21887771 can be divided by 2 positive divisors.
The sum of these divisors (counting 21887771) is 21887772, the average is 10943886.
Base
System
Value
2
Binary
1010011011111101100011011
3
Ternary
1112012000101012
4
Quaternary
1103133230123
5
Quinary
21100402041
6
Senary
2101044135
8
Octal
123375433
10
Decimal
21887771
12
Duodecimal
73b664b
16
Hexadecimal
14dfb1b
20
Vigesimal
6gfj8b
36
Base36
d14pn
md5
e45673e7a6a6eb9199ba043d9d62df0d
sha1
b6f6750f8436327e3a1dd206c301a8e3e6248d15
sha256
496c80dd5ddb10a11e91a7bb576cf58d01ee5598f973fc4ac897efc1ab6ff9ac
sha512
884b3cb65a269a6383bb58b49a4beb260db78df182e03ff8b0c3824c0ed444e58299d82d45d16cf62115a0c8434742ced90cbae87433491c28a4da8dc38e5f69
ripemd-160
83356b575b38fdfb6a14db83e594fd0ec6f1c9de
Diameter
43775542
Circumference
137524921.15411
Area
1.5050569905071E+15
Volume
4.3923123666892E+22
Surface area
6.0202279620285E+15
Circumference
137524921.15411
Perimeter
87551084
Area
479074519348441
Diagonal
30953982.598317
Surface area
2874447116090646
Volume
1.0485873371434E+22
Space diagonal
37910731.436433
Perimeter
65663313
Area
2.0744535203078E+14
Altitude
18955365.718216
Surface area
2.0744535203078E+14
Volume
1.235772027934E+21
Height
10317994.199439