38645905 is an odd 8-digits composite number following 38645904
and preceding 38645906 . In scientific notation, it is written as 3.8645905 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 29177280 positive integers (up to 38645905) that are relatively prime to 38645905.
38645905 has 16 divisors, whose sum is 49003200
The reverse of 38645905 is 50954683
Previous prime number is 331
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
thirty-eight million six hundred forty-five thousand nine hundred five
Scientific notation
3.8645905 × 10^7
Engineering notation
3.8645905 × 10^6
Prime Factorization
5 × 19 × 331 × 1229
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
38645905
Product of the distinct prime numbers
The prime factorization of 38645905 is 5 × 19 × 331 × 1229.
Since it has a total of 4 prime factors.
5 , 3 , 96 , 93 , 135 , 560 , 9809 , 7147 , 80078 , 11118 , 628395 , 450363 , 4330297 , 4159528 , 89245872 , 44423701 , 492702549 , 727116263 , 1044856905 , 6325288860
n×2
77291810
n×3
115937715
n×4
154583620
n×5
193229525
n÷2
19322952.5
n÷3
12881968.333333
n÷3
9661476.25
n÷5
7729181
n2
1493505973269025
n3
5.7717889959887E+22
n4
2.2305600921903E+30
n5
8.6202013419576E+37
2 √n
6216.5830646747
3 √n
338.09168818439
4 √n
78.845310987241
5 √n
32.917034025155
1 , 5 , 19 , 95 , 331 , 1229 , 1655 , 6145 , 6289 , 23351 , 31445 , 116755 , 406799 , 2033995 , 7729181 , 38645905
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
-38645904
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 38645905 can be divided by 16 positive divisors.
The sum of these divisors (counting 38645905) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10010011011011000010010001
3
Ternary
2200201102012211
4
Quaternary
2103123002101
5
Quinary
34343132110
6
Senary
3500152121
8
Octal
223330221
10
Decimal
38645905
12
Duodecimal
10b38641
16
Hexadecimal
24db091
20
Vigesimal
c1aef5
36
Base36
n0bdd
md5
847b5030070e542546e2316a963eb1cb
sha1
c2ceeeb9b5f861e5c734c8ab6ea78010cb08fc90
sha256
533bb9e7079a70d4784805e3aacd3fe887304fb41035ba6f8a04bfd313bacd6f
sha512
d5cf4542a06e2866a2e7d0ce9040d5b39f8c8f76a1669784562dd50671e0f65d35cf0746e853ff8dbb6de35ab65022118f8737389714013a1b954092f0814d97
ripemd-160
3a6cfcf4e94e3f0dd02e791d4549d49c99f126b1
Diameter
77291810
Circumference
242819382.47866
Area
4.6919873937144E+15
Volume
2.4176813210491E+23
Surface area
1.8767949574858E+16
Circumference
242819382.47866
Perimeter
154583620
Area
1493505973269025
Diagonal
54653562.981182
Surface area
8961035839614150
Volume
5.7717889959887E+22
Space diagonal
66936670.96448
Perimeter
115937715
Area
6.4670705677739E+14
Altitude
33468335.48224
Surface area
6.4670705677739E+14
Volume
6.8021185644025E+21
Height
18217854.327061