398396989 is an odd 9-digits composite number following 398396988
and preceding 398396990 . In scientific notation, it is written as 3.98396989 × 10^8.
The sum of its digits is 64. It has a total of 4 prime factors and 16 positive divisors.
There are 368064000 positive integers (up to 398396989) that are relatively prime to 398396989.
398396989 has 16 divisors, whose sum is 429649920
The reverse of 398396989 is 989693893
Previous prime number is 251
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 64
Digital Root 1
Name
three hundred ninety-eight million three hundred ninety-six thousand nine hundred eighty-nine
Scientific notation
3.98396989 × 10^8
Engineering notation
3.98396989 × 10^6
Prime Factorization
17 × 73 × 251 × 1279
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
398396989
Product of the distinct prime numbers
The prime factorization of 398396989 is 17 × 73 × 251 × 1279.
Since it has a total of 4 prime factors.
1 , 7 , 20 , 22 , 81 , 116 , 9559 , 3254 , 21897 , 99345 , 6007 , 587774 , 3269938 , 2722771 , 88548456 , 90531334 , 130674055 , 599998412 , 1593380496 , 9451467812
n×2
796793978
n×3
1195190967
n×4
1593587956
n×5
1991984945
n÷2
199198494.5
n÷3
132798996.33333
n÷3
99599247.25
n÷5
79679397.8
n2
158720160844266121
n3
6.3233634173951E+25
n4
2.519208945843E+34
n5
1.0036452586857E+43
2 √n
19959.884493654
3 √n
735.82072481093
4 √n
141.27945531341
5 √n
52.488384903288
1 , 17 , 73 , 251 , 1241 , 1279 , 4267 , 18323 , 21743 , 93367 , 311491 , 321029 , 1587239 , 5457493 , 23435117 , 398396989
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
-398396988
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 398396989 can be divided by 16 positive divisors.
The sum of these divisors (counting 398396989) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111101111110000111000111101
3
Ternary
1000202122122221001
4
Quaternary
113233300320331
5
Quinary
1303442200424
6
Senary
103311010301
8
Octal
2757607075
10
Decimal
398396989
12
Duodecimal
b1509991
16
Hexadecimal
17bf0e3d
20
Vigesimal
649jc99
36
Base36
6l7131
md5
6aebbe7151daa5a2c42af477990cf8f3
sha1
e156aeae84581cdf144a05917fec66437292eda0
sha256
ebf5288af699e0e77854b75ee3c648ce0d1def214613f77a17ef884d1aa160e9
sha512
1a248f28cf36ca1dac55dd7a0fe8964290034d694b39b4019c0a234f671c3d9b7dbbe3c71c82f21bb3c9468e7ba3d42761ae95941e281e3f8816f93d3cf80a47
ripemd-160
f0ef6b2dfeecb31f9051ec8c7669b85740ccce1e
Diameter
796793978
Circumference
2503202107.7094
Area
4.9863409128494E+17
Volume
2.6487242744089E+26
Surface area
1.9945363651397E+18
Circumference
2503202107.7094
Perimeter
1593587956
Area
158720160844266121
Diagonal
563418425.0524
Surface area
952320965065596726
Volume
6.3233634173951E+25
Space diagonal
690043826.53046
Perimeter
1195190967
Area
6.8727845691943E+16
Altitude
345021913.26523
Surface area
6.8727845691943E+16
Volume
7.4521552539117E+24
Height
187806141.68413