39886987 is an odd 8-digits composite number following 39886986
and preceding 39886988 . In scientific notation, it is written as 3.9886987 × 10^7.
The sum of its digits is 58. It has a total of 4 prime factors and 16 positive divisors.
There are 32931360 positive integers (up to 39886987) that are relatively prime to 39886987.
39886987 has 16 divisors, whose sum is 47276032
The reverse of 39886987 is 78968893
Previous prime number is 397
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 58
Digital Root 4
Name
thirty-nine million eight hundred eighty-six thousand nine hundred eighty-seven
Scientific notation
3.9886987 × 10^7
Engineering notation
3.9886987 × 10^6
Prime Factorization
7 × 31 × 397 × 463
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
39886987
Product of the distinct prime numbers
The prime factorization of 39886987 is 7 × 31 × 397 × 463.
Since it has a total of 4 prime factors.
5 , 2 , 66 , 89 , 664 , 539 , 4705 , 8546 , 67753 , 18815 , 341785 , 344667 , 5843530 , 3720618 , 80226686 , 67522095 , 798372046 , 668617072 , 9947847163 , 4714753994
n×2
79773974
n×3
119660961
n×4
159547948
n×5
199434935
n÷2
19943493.5
n÷3
13295662.333333
n÷3
9971746.75
n÷5
7977397.4
n2
1590971731938169
n3
6.3459068789185E+22
n4
2.5311910518263E+30
n5
1.0096158457871E+38
2 √n
6315.6145385861
3 √n
341.67280300963
4 √n
79.470840807092
5 √n
33.125790151854
1 , 7 , 31 , 217 , 397 , 463 , 2779 , 3241 , 12307 , 14353 , 86149 , 100471 , 183811 , 1286677 , 5698141 , 39886987
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
-39886986
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 39886987 can be divided by 16 positive divisors.
The sum of these divisors (counting 39886987) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10011000001010000010001011
3
Ternary
2210001110122211
4
Quaternary
2120022002023
5
Quinary
40202340422
6
Senary
3542525551
8
Octal
230120213
10
Decimal
39886987
12
Duodecimal
114368b7
16
Hexadecimal
260a08b
20
Vigesimal
c95h97
36
Base36
nqwzv
md5
9c1d1e29968c70a073982b6fc32496b7
sha1
891f5697f5b413922a84a49a6069b5116af72a81
sha256
0d469aa15113077bd90b6822e3937e854eaa484e4e7ca08bd70f721db7e5d785
sha512
354e2d513fb2796dacd1a507733aa368455fef99a5b015a29ea7ca8c3e9489a4e536f7f743d491d5e5ed8bc99a513c1bf91725b39d07652dedcb12b599db4c54
ripemd-160
65799bcdb1db741b006c66374cfc7d1f556da5db
Diameter
79773974
Circumference
250617330.66606
Area
4.998185105126E+15
Volume
2.65816725749E+23
Surface area
1.9992740420504E+16
Circumference
250617330.66606
Perimeter
159547948
Area
1590971731938169
Diagonal
56408717.977599
Surface area
9545830391629014
Volume
6.3459068789185E+22
Space diagonal
69086288.044839
Perimeter
119660961
Area
6.8891096828069E+14
Altitude
34543144.02242
Surface area
6.8891096828069E+14
Volume
7.4787229781027E+21
Height
18802905.992533