397942749 is an odd 9-digits composite number following 397942748
and preceding 397942750 . In scientific notation, it is written as 3.97942749 × 10^8.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 244372608 positive integers (up to 397942749) that are relatively prime to 397942749.
397942749 has 16 divisors, whose sum is 478137600
The reverse of 397942749 is 947249793
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 54
Digital Root 9
Name
three hundred ninety-seven million nine hundred forty-two thousand seven hundred forty-nine
Scientific notation
3.97942749 × 10^8
Engineering notation
3.97942749 × 10^6
Prime Factorization
9 × 17 × 47 × 55339
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
397942749
Product of the distinct prime numbers
The prime factorization of 397942749 is 9 × 17 × 47 × 55339.
Since it has a total of 4 prime factors.
9 , 3 , 75 , 26 , 141 , 831 , 4316 , 6063 , 72174 , 32783 , 915715 , 62773 , 2978608 , 2029169 , 70670545 , 33726287 , 700571837 , 444381214 , 6112937839 , 876589581
n×2
795885498
n×3
1193828247
n×4
1591770996
n×5
1989713745
n÷2
198971374.5
n÷3
132647583
n÷3
99485687.25
n÷5
79588549.8
n2
158358431481677001
n3
6.3017589551147E+25
n4
2.5077392821337E+34
n5
9.9793666370757E+42
2 √n
19948.502424994
3 √n
735.54096506914
4 √n
141.23916746071
5 √n
52.476410312227
1 , 9 , 17 , 47 , 153 , 423 , 799 , 7191 , 55339 , 498051 , 940763 , 2600933 , 8466867 , 23408397 , 44215861 , 397942749
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
-397942748
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 397942749 can be divided by 16 positive divisors.
The sum of these divisors (counting 397942749) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111101110000001111111011101
3
Ternary
1000201210120211100
4
Quaternary
113232001333131
5
Quinary
1303333131444
6
Senary
103253143313
8
Octal
2756017735
10
Decimal
397942749
12
Duodecimal
b132ab39
16
Hexadecimal
17b81fdd
20
Vigesimal
6472gh9
36
Base36
6kxal9
md5
d5ece0564b26c1c2214e4a6e7388db31
sha1
387ed586362ba67c938e6911d5c64dc962d96850
sha256
9eef259440e71b7e65d64e2322fc3af4340ebb2951240aa3470e20556d8932a0
sha512
5a2dc2b1225363244f8e59c7d90843c5ce2ddb890678e50f4dac42caccc058e3f0208435368413deb5f3b75b9709fd9be0f275f5b390e1f1d0e75a50c036f25d
ripemd-160
84cbd09a82bd74da7250add11981323884ef6260
Diameter
795885498
Circumference
2500348033.6155
Area
4.9749768497684E+17
Volume
2.6396746184109E+26
Surface area
1.9899907399074E+18
Circumference
2500348033.6155
Perimeter
1591770996
Area
158358431481677001
Diagonal
562776032.68383
Surface area
950150588890062006
Volume
6.3017589551147E+25
Space diagonal
689257059.77163
Perimeter
1193828247
Area
6.8571212283295E+16
Altitude
344628529.88581
Surface area
6.8571212283295E+16
Volume
7.4266941509411E+24
Height
187592010.89461