39387890 is an even 8-digits composite number following 39387889
and preceding 39387891 . In scientific notation, it is written as 3.9387890 × 10^7.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 15755152 positive integers (up to 39387890) that are relatively prime to 39387890.
39387890 has 8 divisors, whose sum is 70898220
The reverse of 39387890 is 09878393
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
thirty-nine million three hundred eighty-seven thousand eight hundred ninety
Scientific notation
3.9387890 × 10^7
Engineering notation
3.9387890 × 10^6
Prime Factorization
2 × 5 × 3938789
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
39387890
Product of the distinct prime numbers
The prime factorization of 39387890 is 2 × 5 × 3938789.
Since it has a total of 3 prime factors.
10 , 5 , 56 , 97 , 788 , 440 , 4188 , 252 , 85245 , 51190 , 677563 , 859962 , 9339313 , 1752060 , 38855205 , 26685447 , 510733018 , 453669474 , 8482721412 , 9971436252
n×2
78775780
n×3
118163670
n×4
157551560
n×5
196939450
n÷2
19693945
n÷3
13129296.666667
n÷3
9846972.5
n÷5
7877578
n2
1551405878652100
n3
6.1106604093702E+22
n4
2.4068602003163E+30
n5
9.4801144815436E+37
2 √n
6275.9772147451
3 √n
340.24172545
4 √n
79.221065473428
5 √n
33.042472960461
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
-39387889
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 39387890 can be divided by 8 positive divisors.
The sum of these divisors (counting 39387890) is 1, the average is 0.125.
Base
System
Value
2
Binary
10010110010000001011110010
3
Ternary
2202010010000202
4
Quaternary
2112100023302
5
Quinary
40040403030
6
Senary
3524115202
8
Octal
226201362
10
Decimal
39387890
12
Duodecimal
11235b02
16
Hexadecimal
25902f2
20
Vigesimal
c639ea
36
Base36
ng7w2
md5
c036daa2451a7850f3ce9a6b2c089d46
sha1
a3d6def9f08d67a772eb1e25733d666ccdbf633f
sha256
15c9dfaa150a08ec7d0024a91280e070e37e60b3da28605178bd4bad676d2773
sha512
743062af2b7dac6a652e3a7190995f4e6175efa949c32c5c0b18a7e2d5d147d8f7ab32244e546bf7052b0960827721c55c390d5763212709182ae19317d8ea5b
ripemd-160
49c15e687c889065b3541b68ef0371e3a43d5057
Diameter
78775780
Circumference
247481411.72881
Area
4.8738853111095E+15
Volume
2.5596274467546E+23
Surface area
1.9495541244438E+16
Circumference
247481411.72881
Perimeter
157551560
Area
1551405878652100
Diagonal
55702888.23126
Surface area
9308435271912600
Volume
6.1106604093702E+22
Space diagonal
68221826.682934
Perimeter
118163670
Area
6.7177845124662E+14
Altitude
34110913.341467
Surface area
6.7177845124662E+14
Volume
7.2014823549898E+21
Height
18567629.41042