21887958 is an even 8-digits composite number following 21887957
and preceding 21887959 . In scientific notation, it is written as 2.1887958 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 7288320 positive integers (up to 21887958) that are relatively prime to 21887958.
21887958 has 16 divisors, whose sum is 43821936
The reverse of 21887958 is 85978812
Previous prime number is 2081
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
twenty-one million eight hundred eighty-seven thousand nine hundred fifty-eight
Scientific notation
2.1887958 × 10^7
Engineering notation
2.1887958 × 10^6
Prime Factorization
2 × 3 × 2081 × 1753
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21887958
Product of the distinct prime numbers
The prime factorization of 21887958 is 2 × 3 × 2081 × 1753.
Since it has a total of 4 prime factors.
2 , 6 , 20 , 70 , 653 , 405 , 4937 , 3766 , 49677 , 26358 , 926766 , 888284 , 8067598 , 8232290 , 24904514 , 47516654 , 461298325 , 471898211 , 4688788061 , 917788906
n×2
43775916
n×3
65663874
n×4
87551832
n×5
109439790
n÷2
10943979
n÷3
7295986
n÷3
5471989.5
n÷5
4377591.6
n2
479082705409764
n3
1.0486142134535E+22
n4
2.2952023862274E+29
n5
5.0237293431245E+36
2 √n
4678.4567968509
3 √n
279.72744736777
4 √n
68.399245586855
5 √n
29.379273305348
1 , 2 , 3 , 6 , 1753 , 2081 , 3506 , 4162 , 5259 , 6243 , 10518 , 12486 , 3647993 , 7295986 , 10943979 , 21887958
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21887957
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21887958 can be divided by 16 positive divisors.
The sum of these divisors (counting 21887958) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011011111101111010110
3
Ternary
1112012000122010
4
Quaternary
1103133233112
5
Quinary
21100403313
6
Senary
2101045050
8
Octal
123375726
10
Decimal
21887958
12
Duodecimal
73b6786
16
Hexadecimal
14dfbd6
20
Vigesimal
6gfjhi
36
Base36
d14uu
md5
0a57e76778c0d2cb8d7baddbb9818d26
sha1
cf4abd4d67baf097e4b654e60edf094bee698000
sha256
23cb364ceba3223852983dd4ad32fc4d1f6f7ef7feefe8c2d745ad107d30be2d
sha512
bdc7498b9eb0d88a016681f006e85bf9d763d46fcd2f427180fbd5ac6cf8dd7e5db874527c4dd803c7cdafa1c8fd0812f73650cda7e9021bb0cba7bf88886be2
ripemd-160
42d947990fa58565d0a0cda777de2b5e0e69d807
Diameter
43775916
Circumference
137526096.10976
Area
1.5050827077772E+15
Volume
4.3924249459139E+22
Surface area
6.020330831109E+15
Circumference
137526096.10976
Perimeter
87551832
Area
479082705409764
Diagonal
30954247.056253
Surface area
2874496232458584
Volume
1.0486142134535E+22
Space diagonal
37911055.329934
Perimeter
65663874
Area
2.0744889669932E+14
Altitude
18955527.664967
Surface area
2.0744889669932E+14
Volume
1.2358037019693E+21
Height
10318082.352084