21889871 is an odd 8-digits prime number following 21889870
and preceding 21889872 . In scientific notation, it is written as 2.1889871 × 10^7.
The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors.
There are 21889870 positive integers (up to 21889871) that are relatively prime to 21889871.
21889871 has 2 divisors, whose sum is 21889872
The reverse of 21889871 is 17898812
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty-one million eight hundred eighty-nine thousand eight hundred seventy-one
Scientific notation
2.1889871 × 10^7
Engineering notation
2.1889871 × 10^6
Prime Factorization
21889871
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21889871
Product of the distinct prime numbers
The prime factorization of 21889871 is 21889871.
Since it has a total of 1 prime factors.
10 , 10 , 29 , 88 , 216 , 825 , 422 , 1097 , 67288 , 65779 , 20214 , 658345 , 2966511 , 9527651 , 3317259 , 43296075 , 139676912 , 286695150 , 4802720233 , 6917289589
n×2
43779742
n×3
65669613
n×4
87559484
n×5
109449355
n÷2
10944935.5
n÷3
7296623.6666667
n÷3
5472467.75
n÷5
4377974.2
n2
479166452396641
n3
1.048889183049E+22
n4
2.2960048910238E+29
n5
5.0259250879881E+36
2 √n
4678.6612401412
3 √n
279.73559649126
4 √n
68.400740055508
5 √n
29.379786835071
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21889872
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10944936
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4678.6613470094
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999086335
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21889871 can be divided by 2 positive divisors.
The sum of these divisors (counting 21889871) is 21889872, the average is 10944936.
Base
System
Value
2
Binary
1010011100000001101001111
3
Ternary
1112012010020222
4
Quaternary
1103200031033
5
Quinary
21100433441
6
Senary
2101101555
8
Octal
123401517
10
Decimal
21889871
12
Duodecimal
73b78bb
16
Hexadecimal
14e034f
20
Vigesimal
6gg4db
36
Base36
d16bz
md5
8c96df8f46ede522c4c4b8f89ee46369
sha1
824b472aee45f6a5c97e9245bb44fd7de38002c5
sha256
365c0c263071248929ccc5ae22121ed6a9c5404b72e8de1bc9cdc3545e20a92d
sha512
3424d0c39dd15f8fa49d2c9e9a4c3d4e80939a93a09bc8bd7f3ccb8186010119faa88c133f19dcc24cc9c504add8b4f1c3980b357a1395325a2aef0d94db721b
ripemd-160
36341fb12acd29903958553e8fffa7375e4c9914
Diameter
43779742
Circumference
137538115.84326
Area
1.505345806696E+15
Volume
4.3935767358621E+22
Surface area
6.0213832267839E+15
Circumference
137538115.84326
Perimeter
87559484
Area
479166452396641
Diagonal
30956952.446798
Surface area
2874998714379846
Volume
1.048889183049E+22
Space diagonal
37914368.743129
Perimeter
65669613
Area
2.0748516020838E+14
Altitude
18957184.371564
Surface area
2.0748516020838E+14
Volume
1.2361277567453E+21
Height
10318984.148933