398395890 is an even 9-digits composite number following 398395889
and preceding 398395891 . In scientific notation, it is written as 3.98395890 × 10^8.
The sum of its digits is 54. It has a total of 5 prime factors and 32 positive divisors.
There are 105424800 positive integers (up to 398395890) that are relatively prime to 398395890.
398395890 has 32 divisors, whose sum is 802897920
The reverse of 398395890 is 098593893
Previous prime number is 131
Is Prime? no
Number parity even
Number length 9
Sum of Digits 54
Digital Root 9
Name
three hundred ninety-eight million three hundred ninety-five thousand eight hundred ninety
Scientific notation
3.98395890 × 10^8
Engineering notation
3.98395890 × 10^6
Prime Factorization
2 × 9 × 5 × 131 × 33791
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
398395890
Product of the distinct prime numbers
The prime factorization of 398395890 is 2 × 9 × 5 × 131 × 33791.
Since it has a total of 5 prime factors.
9 , 7 , 11 , 76 , 106 , 361 , 3359 , 3102 , 19889 , 94354 , 578187 , 45643 , 6408950 , 4228365 , 74953060 , 64506642 , 370948986 , 30948366 , 7045383781 , 941476934
n×2
796791780
n×3
1195187670
n×4
1593583560
n×5
1991979450
n÷2
199197945
n÷3
132798630
n÷3
99598972.5
n÷5
79679178
n2
158719285168892100
n3
6.3233110875025E+25
n4
2.5191811484524E+34
n5
1.0036314157089E+43
2 √n
19959.856963415
3 √n
735.82004820966
4 √n
141.27935788152
5 √n
52.488355944837
1 , 2 , 5 , 9 , 10 , 18 , 45 , 90 , 131 , 262 , 655 , 1179 , 1310 , 2358 , 5895 , 11790 , 33791 , 67582 , 168955 , 304119 , 337910 , 608238 , 1520595 , 3041190 , 4426621 , 8853242 , 22133105 , 39839589 , 44266210 , 79679178 , 199197945 , 398395890
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-398395889
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 398395890 can be divided by 32 positive divisors.
The sum of these divisors (counting 398395890) is 1, the average is 0.03125.
Base
System
Value
2
Binary
10111101111110000100111110010
3
Ternary
1000202122121102100
4
Quaternary
113233300213302
5
Quinary
1303442132030
6
Senary
103311001230
8
Octal
2757604762
10
Decimal
398395890
12
Duodecimal
b1509216
16
Hexadecimal
17bf09f2
20
Vigesimal
649j9ea
36
Base36
6l708i
md5
94fbc2c082b02bfc29fd59f57a0e1345
sha1
58e598233c7f8eed78da26b1264f2df838d00152
sha256
63ede983f0dc499fc225d31e2fc58e52a43532e0ce2a1570ad47ec4e84d59b06
sha512
efa8f1dff12c1780ff5f0bc372b1af1418bc01462d268596fa887c503c5d02490deaf024601cff988e1dd24b2896424023edcd467eb823109c18374a1739d64f
ripemd-160
8c7550955d8fdeebccd2994f855369ae7013ecf1
Diameter
796791780
Circumference
2503195202.4887
Area
4.9863134026961E+17
Volume
2.6487023545147E+26
Surface area
1.9945253610785E+18
Circumference
2503195202.4887
Perimeter
1593583560
Area
158719285168892100
Diagonal
563416870.8317
Surface area
952315711013352600
Volume
6.3233110875025E+25
Space diagonal
690041923.00662
Perimeter
1195187670
Area
6.8727466513384E+16
Altitude
345020961.50331
Surface area
6.8727466513384E+16
Volume
7.4520935825418E+24
Height
187805623.61057