38781385 is an odd 8-digits composite number following 38781384
and preceding 38781386 . In scientific notation, it is written as 3.8781385 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 30912000 positive integers (up to 38781385) that are relatively prime to 38781385.
38781385 has 8 divisors, whose sum is 46707336
The reverse of 38781385 is 58318783
Previous prime number is 277
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
thirty-eight million seven hundred eighty-one thousand three hundred eighty-five
Scientific notation
3.8781385 × 10^7
Engineering notation
3.8781385 × 10^6
Prime Factorization
5 × 277 × 28001
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
38781385
Product of the distinct prime numbers
The prime factorization of 38781385 is 5 × 277 × 28001.
Since it has a total of 3 prime factors.
8 , 7 , 73 , 4 , 97 , 64 , 6986 , 2653 , 21311 , 94763 , 260546 , 278486 , 5440891 , 1453896 , 93254675 , 20856898 , 128035548 , 245923309 , 6911127975 , 6351076361
n×2
77562770
n×3
116344155
n×4
155125540
n×5
193906925
n÷2
19390692.5
n÷3
12927128.333333
n÷3
9695346.25
n÷5
7756277
n2
1503995822518225
n3
5.8327041031471E+22
n4
2.2620034341523E+30
n5
8.7723626051181E+37
2 √n
6227.4701926224
3 √n
338.48630731667
4 √n
78.91432184732
5 √n
32.940081017211
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
-38781384
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 38781385 can be divided by 8 positive divisors.
The sum of these divisors (counting 38781385) is 1, the average is 0.125.
Base
System
Value
2
Binary
10010011111100000111001001
3
Ternary
2200222022001121
4
Quaternary
2103330013021
5
Quinary
34412001020
6
Senary
3503115241
8
Octal
223740711
10
Decimal
38781385
12
Duodecimal
10ba2b21
16
Hexadecimal
24fc1c9
20
Vigesimal
c27d95
36
Base36
n37wp
md5
e5b53aa270632acfe58f73e9346ae477
sha1
c8040eaa83cb2fd2cc12ae6fb058ddc73ac78486
sha256
cacaad26b3bffdb4b895f25c6c4cef6f08dea069ba8f725e13a187984f4d6254
sha512
00c307a7958f1ab2ad47a8784d71d80c92c5109f3ef57f1e3e1c173197933850499afd4ab49af1ea5edb75b517f4b18e043c587391edc846e088b128eabccc18
ripemd-160
7fb87ab94c2446fea4c8b7427cab5753cd8699df
Diameter
77562770
Circumference
243670628.42407
Area
4.724942227053E+15
Volume
2.443197381468E+23
Surface area
1.8899768908212E+16
Circumference
243670628.42407
Perimeter
155125540
Area
1503995822518225
Diagonal
54845160.634613
Surface area
9023974935109350
Volume
5.8327041031471E+22
Space diagonal
67171329.20789
Perimeter
116344155
Area
6.5124929474323E+14
Altitude
33585664.603945
Surface area
6.5124929474323E+14
Volume
6.8739077066499E+21
Height
18281720.211538