21898889 is an odd 8-digits prime number following 21898888
and preceding 21898890 . In scientific notation, it is written as 2.1898889 × 10^7.
The sum of its digits is 53. It has a total of 1 prime factors and 2 positive divisors.
There are 21898888 positive integers (up to 21898889) that are relatively prime to 21898889.
21898889 has 2 divisors, whose sum is 21898890
The reverse of 21898889 is 98889812
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 53 Digital Root 8
Name
twenty-one million eight hundred ninety-eight thousand eight hundred eighty-nine
Scientific notation
2.1898889 × 10^7
Engineering notation
2.1898889 × 10^6
Prime Factorization
21898889
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
21898889 Product of the distinct prime numbers
The prime factorization of 21898889 is 21898889.
Since it has a total of 1 prime factors.
1 , 3 , 34 , 60 , 48 , 468 , 6101 , 6686 , 82755 , 1548 , 190875 , 587381 , 9898059 , 2102079 , 60989143 , 51645567 , 497683351 , 151997138 , 3475588689 , 4611628062
n×2
43797778
n×3
65696667
n×4
87595556
n×5
109494445
n÷2
10949444.5
n÷3
7299629.6666667
n÷3
5474722.25
n÷5
4379777.8
n2
479561339434321
n3
1.0501860540964E+22
n4
2.2997907828004E+29
n5
5.0362863075769E+36
2 √n4679.6248781286
3 √n279.77400556895
4 √n68.40778375396
5 √n29.38220716243
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
21898890 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10949445 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4679.6249849748 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999086712 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21898889 can be divided by 2 positive divisors.
The sum of these divisors (counting 21898889) is 21898890, the average is 10949445.
Base
System
Value
2
Binary
1010011100010011010001001
3
Ternary
1112012120121222
4
Quaternary
1103202122021
5
Quinary
21101231024
6
Senary
2101211425
8
Octal
123423211
10
Decimal
21898889
12
Duodecimal
7400b75
16
Hexadecimal
14e2689
20
Vigesimal
6gh749
36
Base36
d1dah
md5
7e8029cdfb92caf203a083c340760d48
sha1
e5ea2e7057dcbab917c537fa0ba515b651663b01
sha256
6d35fd3ed28145d99a457ac261156378f673fc9f1caac6c191148f30a9506ebe
sha512
246b0e874f5b4862fae50ca0854a73669ed20c93209d7f87c3ef30450df9389a5a9781aa6f31f42cc938d8ef9ab632599bd566099aaa9a265487c9e71caa6eda
ripemd-160
e5c41e453fcc304e195c1b57b946f154607fd28e
Diameter
43797778
Circumference
137594777.60836
Area
1.5065863809125E+15
Volume
4.3990090566021E+22
Surface area
6.0263455236502E+15
Circumference
137594777.60836
Perimeter
87595556
Area
479561339434321
Diagonal
30969705.824703
Surface area
2877368036605926
Volume
1.0501860540964E+22
Space diagonal
37929988.377311
Perimeter
65696667
Area
2.0765615131151E+14
Altitude
18964994.188656
Surface area
2.0765615131151E+14
Volume
1.2376561339318E+21
Height
10323235.274901