38986987 is an odd 8-digits composite number following 38986986
and preceding 38986988 . In scientific notation, it is written as 3.8986987 × 10^7.
The sum of its digits is 58. It has a total of 2 prime factors and 4 positive divisors.
There are 35987976 positive integers (up to 38986987) that are relatively prime to 38986987.
38986987 has 4 divisors, whose sum is 41986000
The reverse of 38986987 is 78968983
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 58
Digital Root 4
Name
thirty-eight million nine hundred eighty-six thousand nine hundred eighty-seven
Scientific notation
3.8986987 × 10^7
Engineering notation
3.8986987 × 10^6
Prime Factorization
13 × 2998999
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
38986987
Product of the distinct prime numbers
The prime factorization of 38986987 is 13 × 2998999.
Since it has a total of 2 prime factors.
6 , 8 , 6 , 68 , 53 , 738 , 2729 , 6892 , 31354 , 39638 , 811791 , 35263 , 1473262 , 4386227 , 59261684 , 23923037 , 420579470 , 161752311 , 7416911556 , 3414158162
n×2
77973974
n×3
116960961
n×4
155947948
n×5
194934935
n÷2
19493493.5
n÷3
12995662.333333
n÷3
9746746.75
n÷5
7797397.4
n2
1519985155338169
n3
5.9259641491362E+22
n4
2.3103548724484E+30
n5
9.0073775377532E+37
2 √n
6243.9560376415
3 √n
339.08342229831
4 √n
79.018706884139
5 √n
32.974933975749
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
-38986986
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 38986987 can be divided by 4 positive divisors.
The sum of these divisors (counting 38986987) is 1, the average is 0.25.
Base
System
Value
2
Binary
10010100101110010011101011
3
Ternary
2201100202002111
4
Quaternary
2110232103223
5
Quinary
34440040422
6
Senary
3511343151
8
Octal
224562353
10
Decimal
38986987
12
Duodecimal
11081ab7
16
Hexadecimal
252e4eb
20
Vigesimal
c3d797
36
Base36
n7mjv
md5
17f9a971f0d83718475cb2ad165e2d27
sha1
e9a3b2dea7fdc54480414eccfa783b4981e27a89
sha256
a799c54bd54977834f0863fdc5c9c894b402e42b5607146ad2701b2ab39bfbea
sha512
a75ecf7590a971bb90a19fb601e3d3c2740baa7980280fbc24c568136049e464631c21bc641ad3e1616f36dbfdc31da8aa8554681c05144f8e492b451336cc38
ripemd-160
a594d39b2e99880a10fe82f4cf40c848da35b93b
Diameter
77973974
Circumference
244962463.8896
Area
4.7751741975759E+15
Volume
2.4822620581817E+23
Surface area
1.9100696790304E+16
Circumference
244962463.8896
Perimeter
155947948
Area
1519985155338169
Diagonal
55135925.771464
Surface area
9119910932029014
Volume
5.9259641491362E+22
Space diagonal
67527442.318027
Perimeter
116960961
Area
6.5817287894905E+14
Altitude
33763721.159014
Surface area
6.5817287894905E+14
Volume
6.983815724871E+21
Height
18378641.923821