397388889 is an odd 9-digits composite number following 397388888
and preceding 397388890 . In scientific notation, it is written as 3.97388889 × 10^8.
The sum of its digits is 63. It has a total of 4 prime factors and 12 positive divisors.
There are 249341760 positive integers (up to 397388889) that are relatively prime to 397388889.
397388889 has 12 divisors, whose sum is 585261872
The reverse of 397388889 is 988883793
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 63
Digital Root 9
Name
three hundred ninety-seven million three hundred eighty-eight thousand eight hundred eighty-nine
Scientific notation
3.97388889 × 10^8
Engineering notation
3.97388889 × 10^6
Prime Factorization
51 × 3 × 3 × 865771
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
132462963
Product of the distinct prime numbers
The prime factorization of 397388889 is 51 × 3 × 3 × 865771.
Since it has a total of 4 prime factors.
10 , 6 , 32 , 69 , 516 , 25 , 2304 , 2385 , 72093 , 11696 , 466602 , 315409 , 458713 , 7690896 , 52538292 , 97149446 , 205970929 , 242493816 , 206843495 , 9101986587
n×2
794777778
n×3
1192166667
n×4
1589555556
n×5
1986944445
n÷2
198694444.5
n÷3
132462963
n÷3
99347222.25
n÷5
79477777.8
n2
157917929100654321
n3
6.275483039849E+25
n4
2.4938072331439E+34
n5
9.9101128575923E+42
2 √n
19934.615346176
3 √n
735.19956263741
4 √n
141.18999733046
5 √n
52.461794753006
1 , 3 , 9 , 51 , 153 , 459 , 865771 , 2597313 , 7791939 , 44154321 , 132462963 , 397388889
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-397388888
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 397388889 can be divided by 12 positive divisors.
The sum of these divisors (counting 397388889) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10111101011111010110001011001
3
Ternary
1000200202110002000
4
Quaternary
113223322301121
5
Quinary
1303212421024
6
Senary
103233231213
8
Octal
2753726131
10
Decimal
397388889
12
Duodecimal
b1102509
16
Hexadecimal
17afac59
20
Vigesimal
643dc49
36
Base36
6klf89
md5
843cbfec4e49279453950c17d8037c20
sha1
15520b7fe19945ea686a6b466c1dc4ab6647a2c1
sha256
4569367436135b5ae58a899c3d1f8c518635e57af7a120e658ad52455cf16ea0
sha512
03e6d916ec6f08d9892bb094e57da488134b4c235419bcb93b112b885809691fc064eb688d804b96335babccd5306cf2bc4a30d7aa06f9629a31268b6a6560fc
ripemd-160
c244cd0c310eea6310cdae5fad74480bfbd6bc5c
Diameter
794777778
Circumference
2496868028.6012
Area
4.9611380593273E+17
Volume
2.6286681887623E+26
Surface area
1.9844552237309E+18
Circumference
2496868028.6012
Perimeter
1589555556
Area
157917929100654321
Diagonal
561992756.36018
Surface area
947507574603925926
Volume
6.275483039849E+25
Space diagonal
688297746.11135
Perimeter
1192166667
Area
6.8380469157098E+16
Altitude
344148873.05567
Surface area
6.8380469157098E+16
Volume
7.3957276878306E+24
Height
187330918.78673