398889646 is an even 9-digits composite number following 398889645
and preceding 398889647 . In scientific notation, it is written as 3.98889646 × 10^8.
The sum of its digits is 61. It has a total of 2 prime factors and 4 positive divisors.
There are 199444822 positive integers (up to 398889646) that are relatively prime to 398889646.
398889646 has 4 divisors, whose sum is 598334472
The reverse of 398889646 is 646988893
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 61
Digital Root 7
Name
three hundred ninety-eight million eight hundred eighty-nine thousand six hundred forty-six
Scientific notation
3.98889646 × 10^8
Engineering notation
3.98889646 × 10^6
Prime Factorization
2 × 199444823
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
398889646
Product of the distinct prime numbers
The prime factorization of 398889646 is 2 × 199444823.
Since it has a total of 2 prime factors.
2 , 9 , 81 , 32 , 785 , 489 , 6630 , 8601 , 58982 , 60243 , 539551 , 962988 , 1758760 , 2834178 , 50256975 , 74127762 , 675752201 , 689127254 , 8134238867 , 2050832429
n×2
797779292
n×3
1196668938
n×4
1595558584
n×5
1994448230
n÷2
199444823
n÷3
132963215.33333
n÷3
99722411.5
n÷5
79777929.2
n2
159112949686005316
n3
6.3468508174266E+25
n4
2.5316930757781E+34
n5
1.0098661547778E+43
2 √n
19972.221859373
3 √n
736.12390473626
4 √n
141.32311155424
5 √n
52.501359895406
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-398889645
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 398889646 can be divided by 4 positive divisors.
The sum of these divisors (counting 398889646) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111110001101001001010101110
3
Ternary
1000210120200201121
4
Quaternary
113301221022232
5
Quinary
1304103432041
6
Senary
103325331154
8
Octal
2761511256
10
Decimal
398889646
12
Duodecimal
b1706aba
16
Hexadecimal
17c692ae
20
Vigesimal
64d1426
36
Base36
6lhl7y
md5
09c88a932541ee965efcaa0c157cc939
sha1
e796c1e39c1781cbf71d91e76b735a7bddb19569
sha256
26862fe94377f989f08621bfd2ea4ec07222902b18c553a4ddadd1d6d73e3875
sha512
e6bf928bb0bebe37d7bfbea793101057381881ec5a1993a939ba4715f479268c259ae80a9e88b2f0b882b4d9d57813fadf846af482e35da4d20979eb7673d9dd
ripemd-160
4fb5cd752bfc0cce636766cc5b3fbb9b19bc76ba
Diameter
797779292
Circumference
2506297562.9333
Area
4.9986807382456E+17
Volume
2.6585626535277E+26
Surface area
1.9994722952982E+18
Circumference
2506297562.9333
Perimeter
1595558584
Area
159112949686005316
Diagonal
564115147.2634
Surface area
954677698116031896
Volume
6.3468508174266E+25
Space diagonal
690897133.48516
Perimeter
1196668938
Area
6.8897928249578E+16
Altitude
345448566.74258
Surface area
6.8897928249578E+16
Volume
7.4798354203029E+24
Height
188038382.42113