38642945 is an odd 8-digits composite number following 38642944
and preceding 38642946 . In scientific notation, it is written as 3.8642945 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 28103920 positive integers (up to 38642945) that are relatively prime to 38642945.
38642945 has 8 divisors, whose sum is 50587200
The reverse of 38642945 is 54924683
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
thirty-eight million six hundred forty-two thousand nine hundred forty-five
Scientific notation
3.8642945 × 10^7
Engineering notation
3.8642945 × 10^6
Prime Factorization
5 × 11 × 702599
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
38642945
Product of the distinct prime numbers
The prime factorization of 38642945 is 5 × 11 × 702599.
Since it has a total of 3 prime factors.
2 , 3 , 41 , 21 , 862 , 323 , 2858 , 1247 , 84898 , 256 , 574301 , 776950 , 9014892 , 4878824 , 51541310 , 35519969 , 666562710 , 775757253 , 7002320557 , 9167471205
n×2
77285890
n×3
115928835
n×4
154571780
n×5
193214725
n÷2
19321472.5
n÷3
12880981.666667
n÷3
9660736.25
n÷5
7728589
n2
1493277198273025
n3
5.7704628642619E+22
n4
2.2298767908821E+30
n5
8.6169006186835E+37
2 √n
6216.3449872091
3 √n
338.08305616203
4 √n
78.843801197108
5 √n
32.916529767817
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-38642944
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 38642945 can be divided by 8 positive divisors.
The sum of these divisors (counting 38642945) is 1, the average is 0.125.
Base
System
Value
2
Binary
10010011011010010100000001
3
Ternary
2200201021011012
4
Quaternary
2103122110001
5
Quinary
34343033240
6
Senary
3500130305
8
Octal
223322401
10
Decimal
38642945
12
Duodecimal
10b36995
16
Hexadecimal
24da501
20
Vigesimal
c1a775
36
Base36
n0935
md5
01ddd5b4f22f3a14837c033726237980
sha1
1a4f32be56add11ba1b22a1105dde996a458dbca
sha256
07edf4ea1de711cc10d7cb7b00ed291f43246ea485d6ef0165544d658ddf95e0
sha512
8eb04526c2b3eaabd27fc2434d2a9fa7588e1c8402d7990e0d862223f60ae369e0641fdd93354e40003ff2a1d7d2c9f5ed3df69023711623b381926f9b2e20c5
ripemd-160
12bb17d8c28567cf52f6484965f858da5f97626e
Diameter
77285890
Circumference
242800784.25015
Area
4.6912686758677E+15
Volume
2.4171258322904E+23
Surface area
1.8765074703471E+16
Circumference
242800784.25015
Perimeter
154571780
Area
1493277198273025
Diagonal
54649376.909038
Surface area
8959663189638150
Volume
5.7704628642619E+22
Space diagonal
66931544.09409
Perimeter
115928835
Area
6.4660799429825E+14
Altitude
33465772.047045
Surface area
6.4660799429825E+14
Volume
6.8005557031745E+21
Height
18216458.969679