398889221 is an odd 9-digits prime number following 398889220
and preceding 398889222 . In scientific notation, it is written as 3.98889221 × 10^8.
The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors.
There are 398889220 positive integers (up to 398889221) that are relatively prime to 398889221.
398889221 has 2 divisors, whose sum is 398889222
The reverse of 398889221 is 122988893
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
three hundred ninety-eight million eight hundred eighty-nine thousand two hundred twenty-one
Scientific notation
3.98889221 × 10^8
Engineering notation
3.98889221 × 10^6
Prime Factorization
398889221
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
398889221
Product of the distinct prime numbers
The prime factorization of 398889221 is 398889221.
Since it has a total of 1 prime factors.
3 , 7 , 47 , 5 , 371 , 281 , 1352 , 3116 , 4134 , 98890 , 412036 , 142549 , 8704613 , 8662115 , 32287974 , 40057459 , 59535245 , 999876222 , 8139555562 , 2214317099
n×2
797778442
n×3
1196667663
n×4
1595556884
n×5
1994446105
n÷2
199444610.5
n÷3
132963073.66667
n÷3
99722305.25
n÷5
79777844.2
n2
159112610629986841
n3
6.3468305305472E+25
n4
2.531682286149E+34
n5
1.0098607749415E+43
2 √n
19972.211219592
3 √n
736.1236432999
4 √n
141.32307391078
5 √n
52.501348707807
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
398889222
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
199444611
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
19972.211244627
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999949861
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 398889221 can be divided by 2 positive divisors.
The sum of these divisors (counting 398889221) is 398889222, the average is 199444611.
Base
System
Value
2
Binary
10111110001101001000100000101
3
Ternary
1000210120200010212
4
Quaternary
113301221010011
5
Quinary
1304103423341
6
Senary
103325325205
8
Octal
2761510405
10
Decimal
398889221
12
Duodecimal
b1706805
16
Hexadecimal
17c69105
20
Vigesimal
64d1311
36
Base36
6lhkw5
md5
6f04cf73e17b3613a2960e62e1c4e487
sha1
162fdd76c520ef4866e9de853132c695cb4c43a3
sha256
4622030fd75922947da2dc572f1c4e0de2c1cbd977804ca72f1edf0047f9bd1a
sha512
81e52c9fc4d3cb61603ab30b8c668396f2a12e7de6a59bb457a9e60f53e95c0af27c1225fa2ef0db060c5dc2a30b86f2948732b54e0b42146d0d0b3e80f33c02
ripemd-160
f035b9e4887cbb6b1b1797f36e1ff7f4b5b5b9f8
Diameter
797778442
Circumference
2506294892.5795
Area
4.9986700864866E+17
Volume
2.6585541557795E+26
Surface area
1.9994680345946E+18
Circumference
2506294892.5795
Perimeter
1595556884
Area
159112610629986841
Diagonal
564114546.22264
Surface area
954675663779921046
Volume
6.3468305305472E+25
Space diagonal
690896397.36357
Perimeter
1196667663
Area
6.8897781434015E+16
Altitude
345448198.68179
Surface area
6.8897781434015E+16
Volume
7.4798115119862E+24
Height
188038182.07421