38871921 is an odd 8-digits composite number following 38871920
and preceding 38871922 . In scientific notation, it is written as 3.8871921 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 23496720 positive integers (up to 38871921) that are relatively prime to 38871921.
38871921 has 16 divisors, whose sum is 56689920
The reverse of 38871921 is 12917883
Previous prime number is 443
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
thirty-eight million eight hundred seventy-one thousand nine hundred twenty-one
Scientific notation
3.8871921 × 10^7
Engineering notation
3.8871921 × 10^6
Prime Factorization
3 × 11 × 443 × 2659
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
38871921
Product of the distinct prime numbers
The prime factorization of 38871921 is 3 × 11 × 443 × 2659.
Since it has a total of 4 prime factors.
2 , 4 , 82 , 92 , 898 , 293 , 5158 , 3732 , 5023 , 4409 , 59922 , 416119 , 8920552 , 6684763 , 93121313 , 65433753 , 21031775 , 619060788 , 2395556179 , 2608596047
n×2
77743842
n×3
116615763
n×4
155487684
n×5
194359605
n÷2
19435960.5
n÷3
12957307
n÷3
9717980.25
n÷5
7774384.2
n2
1511026242230241
n3
5.8736492716901E+22
n4
2.2832003047084E+30
n5
8.8752381871803E+37
2 √n
6234.735038476
3 √n
338.74950386405
4 √n
78.960338388814
5 √n
32.955446544799
1 , 3 , 11 , 33 , 443 , 1329 , 2659 , 4873 , 7977 , 14619 , 29249 , 87747 , 1177937 , 3533811 , 12957307 , 38871921
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
-38871920
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 38871921 can be divided by 16 positive divisors.
The sum of these divisors (counting 38871921) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10010100010010001101110001
3
Ternary
2201010220020210
4
Quaternary
2110102031301
5
Quinary
34422400141
6
Senary
3505054333
8
Octal
224221561
10
Decimal
38871921
12
Duodecimal
110273a9
16
Hexadecimal
2512371
20
Vigesimal
c2ijg1
36
Base36
n55rl
md5
3097fd42b69e22dad14fa895518eda84
sha1
77828ef3ebbb04fea93864e353a06b4b1088a107
sha256
ec927690e26aab2aa9e49fd935e15e96f971dd2430750a39a1b45e7182eb0a0d
sha512
6919b8b1fc5b6fbfbc29408a1a29eb11fee4b20e15e8657a560c038600bb6b3ce9f5df8eaadb95411322a8625d94182f53ff6b02f138e94b347bbe38c08b582e
ripemd-160
4459178f42db381f4ac221b26388c085688b755c
Diameter
77743842
Circumference
244239482.88905
Area
4.7470289419719E+15
Volume
2.4603484535606E+23
Surface area
1.8988115767888E+16
Circumference
244239482.88905
Perimeter
155487684
Area
1511026242230241
Diagonal
54973197.873696
Surface area
9066157453381446
Volume
5.8736492716901E+22
Space diagonal
67328142.159804
Perimeter
116615763
Area
6.5429355577816E+14
Altitude
33664071.079902
Surface area
6.5429355577816E+14
Volume
6.9221620505391E+21
Height
18324399.291232