38405721 is an odd 8-digits composite number following 38405720
and preceding 38405722 . In scientific notation, it is written as 3.8405721 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 25058960 positive integers (up to 38405721) that are relatively prime to 38405721.
38405721 has 8 divisors, whose sum is 52297344
The reverse of 38405721 is 12750483
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
thirty-eight million four hundred five thousand seven hundred twenty-one
Scientific notation
3.8405721 × 10^7
Engineering notation
3.8405721 × 10^6
Prime Factorization
3 × 47 × 272381
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
38405721
Product of the distinct prime numbers
The prime factorization of 38405721 is 3 × 47 × 272381.
Since it has a total of 3 prime factors.
7 , 7 , 88 , 58 , 405 , 444 , 5732 , 7080 , 18404 , 30915 , 684609 , 744148 , 8158465 , 4622936 , 26762269 , 15990983 , 89561773 , 394620596 , 7916141277 , 8066801354
n×2
76811442
n×3
115217163
n×4
153622884
n×5
192028605
n÷2
19202860.5
n÷3
12801907
n÷3
9601430.25
n÷5
7681144.2
n2
1474999405529841
n3
5.6648415643945E+22
n4
2.1756232463134E+30
n5
8.3556379399026E+37
2 √n
6197.2349479425
3 √n
337.38981972718
4 √n
78.722518683935
5 √n
32.876016105329
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
-38405720
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 38405721 can be divided by 8 positive divisors.
The sum of these divisors (counting 38405721) is 1, the average is 0.125.
Base
System
Value
2
Binary
10010010100000011001011001
3
Ternary
2200021012202010
4
Quaternary
2102200121121
5
Quinary
34312440341
6
Senary
3451100133
8
Octal
222403131
10
Decimal
38405721
12
Duodecimal
10a41649
16
Hexadecimal
24a0659
20
Vigesimal
c00e61
36
Base36
mv61l
md5
ed6b6f27d1526007b4f90540de84e3b9
sha1
6930ccc0e295113663e4b1960768e3fb8ed98ded
sha256
1d688b7f28075a687518d8dfc97a1d2181fd7876972d0a024123f6b77a628ea4
sha512
9f60615ea4c4ace60197624937a7c6d1c5a4d23c03a89bf860b29f77386dd7f15bb18f0012934f6378cab530ad72aab3d6a282cf5923b694fac79206678ef462
ripemd-160
fb503ca4a2e1523e2303c1cd6f9b095cb6a92c7c
Diameter
76811442
Circumference
241310261.89884
Area
4.6338472964619E+15
Volume
2.3728832856602E+23
Surface area
1.8535389185847E+16
Circumference
241310261.89884
Perimeter
153622884
Area
1474999405529841
Diagonal
54313891.510917
Surface area
8849996433179046
Volume
5.6648415643945E+22
Space diagonal
66520660.073315
Perimeter
115217163
Area
6.3869347787789E+14
Altitude
33260330.036657
Surface area
6.3869347787789E+14
Volume
6.6760798075513E+21
Height
18104630.503639