397248639 is an odd 9-digits composite number following 397248638
and preceding 397248640 . In scientific notation, it is written as 3.97248639 × 10^8.
The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors.
There are 249254016 positive integers (up to 397248639) that are relatively prime to 397248639.
397248639 has 4 divisors, whose sum is 405037880
The reverse of 397248639 is 936842793
Previous prime number is 51
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
three hundred ninety-seven million two hundred forty-eight thousand six hundred thirty-nine
Scientific notation
3.97248639 × 10^8
Engineering notation
3.97248639 × 10^6
Prime Factorization
51 × 7789189
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
397248639
Product of the distinct prime numbers
The prime factorization of 397248639 is 51 × 7789189.
Since it has a total of 2 prime factors.
3 , 1 , 87 , 2 , 272 , 686 , 1693 , 418 , 88105 , 79970 , 144418 , 168120 , 9648886 , 1110538 , 2001128 , 89284252 , 259979904 , 933443629 , 8473772600 , 8223928844
n×2
794497278
n×3
1191745917
n×4
1588994556
n×5
1986243195
n÷2
198624319.5
n÷3
132416213
n÷3
99312159.75
n÷5
79449727.8
n2
157806481187352321
n3
6.2688409877055E+25
n4
2.4902885504734E+34
n5
9.8926373739285E+42
2 √n
19931.097285398
3 √n
735.11306141718
4 √n
141.17753817587
5 √n
52.458091174046
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
-397248638
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 397248639 can be divided by 4 positive divisors.
The sum of these divisors (counting 397248639) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111101011011000100001111111
3
Ternary
1000200111022200120
4
Quaternary
113223120201333
5
Quinary
1303143424024
6
Senary
103230230023
8
Octal
2753304177
10
Decimal
397248639
12
Duodecimal
b1055313
16
Hexadecimal
17ad887f
20
Vigesimal
642g1bj
36
Base36
6kif0f
md5
cd17002bf65b54e44ea6a5cb830c0a70
sha1
4f8789d5e8f1ed49cea9cae58db971223f23f875
sha256
3a0bd1a34ab42a6c5d8d28c80ed8e88884b364a7a56ba3c81629f03b113617da
sha512
b95b95b456d6e597a6cf90c9ca5052edb480a3d62aa3f38ea5cc9b62502b853cb2241911ff1f7ba112c636fec8597db1ff07efe884265d04fbb593925e008a50
ripemd-160
b3a9da42449d1404297cae83d8422d32e61b2edc
Diameter
794497278
Circumference
2495986811.8619
Area
4.9576368198704E+17
Volume
2.6258859724664E+26
Surface area
1.9830547279482E+18
Circumference
2495986811.8619
Perimeter
1588994556
Area
157806481187352321
Diagonal
561794412.90805
Surface area
946838887124113926
Volume
6.2688409877055E+25
Space diagonal
688054825.98559
Perimeter
1191745917
Area
6.8332210795039E+16
Altitude
344027412.99279
Surface area
6.8332210795039E+16
Volume
7.3878999543112E+24
Height
187264804.30268