38642685 is an odd 8-digits composite number following 38642684
and preceding 38642686 . In scientific notation, it is written as 3.8642685 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 20572160 positive integers (up to 38642685) that are relatively prime to 38642685.
38642685 has 16 divisors, whose sum is 61940160
The reverse of 38642685 is 58624683
Previous prime number is 641
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
thirty-eight million six hundred forty-two thousand six hundred eighty-five
Scientific notation
3.8642685 × 10^7
Engineering notation
3.8642685 × 10^6
Prime Factorization
5 × 3 × 641 × 4019
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
38642685
Product of the distinct prime numbers
The prime factorization of 38642685 is 5 × 3 × 641 × 4019.
Since it has a total of 4 prime factors.
6 , 1 , 98 , 33 , 642 , 754 , 8781 , 8060 , 12208 , 57151 , 779166 , 437067 , 5623739 , 4024480 , 53765188 , 2233524 , 524593404 , 3849453 , 6681230727 , 7236720989
n×2
77285370
n×3
115928055
n×4
154570740
n×5
193213425
n÷2
19321342.5
n÷3
12880895
n÷3
9660671.25
n÷5
7728537
n2
1493257104009225
n3
5.7703463894241E+22
n4
2.229816778674E+30
n5
8.6166107386015E+37
2 √n
6216.3240745637
3 √n
338.08229792279
4 √n
78.843668576263
5 √n
32.916485473466
1 , 3 , 5 , 15 , 641 , 1923 , 3205 , 4019 , 9615 , 12057 , 20095 , 60285 , 2576179 , 7728537 , 12880895 , 38642685
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
-38642684
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 38642685 can be divided by 16 positive divisors.
The sum of these divisors (counting 38642685) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10010011011010001111111101
3
Ternary
2200201020210120
4
Quaternary
2103122033331
5
Quinary
34343031220
6
Senary
3500125153
8
Octal
223321775
10
Decimal
38642685
12
Duodecimal
10b367b9
16
Hexadecimal
24da3fd
20
Vigesimal
c1a6e5
36
Base36
n08vx
md5
d064f46dbefcda2645cc78a17f7d302b
sha1
27e4a865890a49bb0cec8deaccdf87bcf92219b0
sha256
419814db737daf86950500494d37af2cb68c5ee5de1cdba1f2aebaa1be834be4
sha512
9209cdfb0189870c94b88a00b63932fc3ad0773e523a0b09728c012e1343c2b87a96b4c31c38cdff4cc5d5d03b6dd903814cb779d3bea238b0a4f01778cd6a04
ripemd-160
3ed7b63c9572c25d5f2823e160af2c083452d865
Diameter
77285370
Circumference
242799150.62197
Area
4.6912055478762E+15
Volume
2.4170770434244E+23
Surface area
1.8764822191505E+16
Circumference
242799150.62197
Perimeter
154570740
Area
1493257104009225
Diagonal
54649009.213511
Surface area
8959542624055350
Volume
5.7703463894241E+22
Space diagonal
66931093.76088
Perimeter
115928055
Area
6.4659929322679E+14
Altitude
33465546.88044
Surface area
6.4659929322679E+14
Volume
6.8004184362618E+21
Height
18216336.404504