21887839 is an odd 8-digits prime number following 21887838
and preceding 21887840 . In scientific notation, it is written as 2.1887839 × 10^7.
The sum of its digits is 46. It has a total of 1 prime factors and 2 positive divisors.
There are 21887838 positive integers (up to 21887839) that are relatively prime to 21887839.
21887839 has 2 divisors, whose sum is 21887840
The reverse of 21887839 is 93878812
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 46 Digital Root 1
Name
twenty-one million eight hundred eighty-seven thousand eight hundred thirty-nine
Scientific notation
2.1887839 × 10^7
Engineering notation
2.1887839 × 10^6
Prime Factorization
21887839
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
21887839 Product of the distinct prime numbers
The prime factorization of 21887839 is 21887839.
Since it has a total of 1 prime factors.
1 , 1 , 1 , 48 , 703 , 955 , 2305 , 8177 , 13496 , 17501 , 778823 , 900274 , 8253198 , 5178646 , 60819121 , 89182716 , 301665606 , 353256197 , 410754105 , 2452417330
n×2
43775678
n×3
65663517
n×4
87551356
n×5
109439195
n÷2
10943919.5
n÷3
7295946.3333333
n÷3
5471959.75
n÷5
4377567.8
n2
479077496089921
n3
1.0485971102939E+22
n4
2.2951524725979E+29
n5
5.0235927800674E+36
2 √n4678.4440789647
3 √n279.72694042804
4 √n68.399152618762
5 √n29.379241359553
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
21887840 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10943920 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4678.4441858379 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999086251 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21887839 can be divided by 2 positive divisors.
The sum of these divisors (counting 21887839) is 21887840, the average is 10943920.
Base
System
Value
2
Binary
1010011011111101101011111
3
Ternary
1112012000110201
4
Quaternary
1103133231133
5
Quinary
21100402324
6
Senary
2101044331
8
Octal
123375537
10
Decimal
21887839
12
Duodecimal
73b66a7
16
Hexadecimal
14dfb5f
20
Vigesimal
6gfjbj
36
Base36
d14rj
md5
8a96d520d60f76d1b53d8986eced1dfd
sha1
be2374713721db67f6464deb1bc425b46467e051
sha256
9b33cc0f7fba37be42d64467327addf9aae3b342c08c8bb806f49fb9c24e33b3
sha512
74d2e957e2115b898fd586f77d835838dfe25118a7c78ee013bb0d8b8e49ae2dd07c77f45fec93c46aebf9fc4d12a92323094cbdd932731613770d86b2c07b1c
ripemd-160
045c2b3e32d122018413d8e864e6bb0d7d4c31aa
Diameter
43775678
Circumference
137525348.41071
Area
1.5050663422163E+15
Volume
4.3923533043665E+22
Surface area
6.0202653688652E+15
Circumference
137525348.41071
Perimeter
87551356
Area
479077496089921
Diagonal
30954078.764839
Surface area
2874464976539526
Volume
1.0485971102939E+22
Space diagonal
37910849.215888
Perimeter
65663517
Area
2.0744664099766E+14
Altitude
18955424.607944
Surface area
2.0744664099766E+14
Volume
1.2357835457024E+21
Height
10318026.254946