21887893 is an odd 8-digits prime number following 21887892
and preceding 21887894 . In scientific notation, it is written as 2.1887893 × 10^7.
The sum of its digits is 46. It has a total of 1 prime factors and 2 positive divisors.
There are 21887892 positive integers (up to 21887893) that are relatively prime to 21887893.
21887893 has 2 divisors, whose sum is 21887894
The reverse of 21887893 is 39878812
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 ninety-three
Scientific notation
2.1887893 × 10^7
Engineering notation
2.1887893 × 10^6
Prime Factorization
21887893
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21887893
Product of the distinct prime numbers
The prime factorization of 21887893 is 21887893.
Since it has a total of 1 prime factors.
8 , 9 , 61 , 75 , 691 , 720 , 5170 , 1598 , 7148 , 93628 , 460856 , 822323 , 7895663 , 2533646 , 17348015 , 5127908 , 756972325 , 398142914 , 3236047774 , 140062084
n×2
43775786
n×3
65663679
n×4
87551572
n×5
109439465
n÷2
10943946.5
n÷3
7295964.3333333
n÷3
5471973.25
n÷5
4377578.6
n2
479079859979449
n3
1.0486048713685E+22
n4
2.2951751223793E+29
n5
5.02365474949E+36
2 √n
4678.4498501106
3 √n
279.72717046814
4 √n
68.399194806011
5 √n
29.379255855981
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21887894
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10943947
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4678.4499569836
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999086253
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21887893 can be divided by 2 positive divisors.
The sum of these divisors (counting 21887893) is 21887894, the average is 10943947.
Base
System
Value
2
Binary
1010011011111101110010101
3
Ternary
1112012000112201
4
Quaternary
1103133232111
5
Quinary
21100403033
6
Senary
2101044501
8
Octal
123375625
10
Decimal
21887893
12
Duodecimal
73b6731
16
Hexadecimal
14dfb95
20
Vigesimal
6gfjed
36
Base36
d14t1
md5
872480fe7464e1db37048ab5fd2a5cb7
sha1
e7ac368a95317885d0af5073de79cec3582907e1
sha256
1fb40c51d6897ab2e703b2f18dcbe2425dcc59438dda4166c07884e96a7e3186
sha512
eade63e21bb965eadf480aae11d0310ceebc161079cd1aed1cc3a3e3062414b9c09c388734f3efa74c22e06866bc7c94a62b69b9f03bf583ef7800bf0ade8e7a
ripemd-160
a5b282a8a3d1edcc557c35c07f8a696857a69301
Diameter
43775786
Circumference
137525687.70272
Area
1.5050737685943E+15
Volume
4.3923858138797E+22
Surface area
6.0202950743771E+15
Circumference
137525687.70272
Perimeter
87551572
Area
479079859979449
Diagonal
30954155.132371
Surface area
2874479159876694
Volume
1.0486048713685E+22
Space diagonal
37910942.746631
Perimeter
65663679
Area
2.0744766459185E+14
Altitude
18955471.373316
Surface area
2.0744766459185E+14
Volume
1.2357926922165E+21
Height
10318051.71079