38861981 is an odd 8-digits composite number following 38861980
and preceding 38861982 . In scientific notation, it is written as 3.8861981 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 37825200 positive integers (up to 38861981) that are relatively prime to 38861981.
38861981 has 8 divisors, whose sum is 39905184
The reverse of 38861981 is 18916883
Previous prime number is 317
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
thirty-eight million eight hundred sixty-one thousand nine hundred eighty-one
Scientific notation
3.8861981 × 10^7
Engineering notation
3.8861981 × 10^6
Prime Factorization
43 × 317 × 2851
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
38861981
Product of the distinct prime numbers
The prime factorization of 38861981 is 43 × 317 × 2851.
Since it has a total of 3 prime factors.
8 , 3 , 34 , 33 , 165 , 897 , 5648 , 3890 , 67514 , 2081 , 309760 , 134888 , 3993960 , 6084029 , 90880977 , 84087195 , 129716438 , 771740636 , 8549728928 , 3754375609
n×2
77723962
n×3
116585943
n×4
155447924
n×5
194309905
n÷2
19430990.5
n÷3
12953993.666667
n÷3
9715495.25
n÷5
7772396.2
n2
1510253567244361
n3
5.8691445435433E+22
n4
2.2808658373743E+30
n5
8.863896483559E+37
2 √n
6233.9378405627
3 √n
338.72062734659
4 √n
78.955290136651
5 √n
32.953760954576
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
-38861980
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 38861981 can be divided by 8 positive divisors.
The sum of these divisors (counting 38861981) is 1, the average is 0.125.
Base
System
Value
2
Binary
10010100001111110010011101
3
Ternary
2201010101121122
4
Quaternary
2110033302131
5
Quinary
34422040411
6
Senary
3504540325
8
Octal
224176235
10
Decimal
38861981
12
Duodecimal
110216a5
16
Hexadecimal
250fc9d
20
Vigesimal
c2hej1
36
Base36
n4y3h
md5
d2306c539ab95d164ec7ffb40686881b
sha1
137d04aed5456d9d0bec5e83cafb3dd08383f346
sha256
45c275b20281f16b8e51a6f44e4571ff17af684fe7270fa4afd72f1bbce33121
sha512
a2ef258e3ee3071b2ca6da9ec446991dd44138844e77772c22691b86082eb35458280e0ab71de3daaf19ec1118868c11e12423140c3c22e74b681dbcf1dfedcc
ripemd-160
6fbc94a09b4b4921f3adbf1086388eb89c481d71
Diameter
77723962
Circumference
244177028.02709
Area
4.7446015119127E+15
Volume
2.4584615174469E+23
Surface area
1.8978406047651E+16
Circumference
244177028.02709
Perimeter
155447924
Area
1510253567244361
Diagonal
54959140.590886
Surface area
9061521403466166
Volume
5.8691445435433E+22
Space diagonal
67310925.574776
Perimeter
116585943
Area
6.5395897769484E+14
Altitude
33655462.787388
Surface area
6.5395897769484E+14
Volume
6.9168531775058E+21
Height
18319713.530295