38991757 is an odd 8-digits composite number following 38991756
and preceding 38991758 . In scientific notation, it is written as 3.8991757 × 10^7.
The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors.
There are 32760000 positive integers (up to 38991757) that are relatively prime to 38991757.
38991757 has 16 divisors, whose sum is 45454464
The reverse of 38991757 is 75719983
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
thirty-eight million nine hundred ninety-one thousand seven hundred fifty-seven
Scientific notation
3.8991757 × 10^7
Engineering notation
3.8991757 × 10^6
Prime Factorization
7 × 101 × 131 × 421
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
38991757
Product of the distinct prime numbers
The prime factorization of 38991757 is 7 × 101 × 131 × 421.
Since it has a total of 4 prime factors.
1 , 1 , 45 , 12 , 459 , 246 , 5737 , 7625 , 28669 , 20814 , 973240 , 647173 , 2842462 , 1211633 , 85492452 , 88264172 , 772503718 , 694429094 , 6908533158 , 5782694390
n×2
77983514
n×3
116975271
n×4
155967028
n×5
194958785
n÷2
19495878.5
n÷3
12997252.333333
n÷3
9747939.25
n÷5
7798351.4
n2
1520357113947049
n3
5.9281395140245E+22
n4
2.3114857539294E+30
n5
9.0128890826177E+37
2 √n
6244.3379953363
3 √n
339.09725051887
4 √n
79.021123728635
5 √n
32.97574082311
1 , 7 , 101 , 131 , 421 , 707 , 917 , 2947 , 13231 , 42521 , 55151 , 92617 , 297647 , 386057 , 5570251 , 38991757
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
-38991756
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 38991757 can be divided by 16 positive divisors.
The sum of these divisors (counting 38991757) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10010100101111011110001101
3
Ternary
2201100222122011
4
Quaternary
2110233132031
5
Quinary
34440214012
6
Senary
3511421221
8
Octal
224573615
10
Decimal
38991757
12
Duodecimal
11084811
16
Hexadecimal
252f78d
20
Vigesimal
c3dj7h
36
Base36
n7q8d
md5
9d8ac1957a0dc595d4cd68bb0661592d
sha1
d89975af4ff0eca80b9e2796920d301feb7be278
sha256
6ca39986e7a344da340b0ce6acf6ff38d7aa0e4545e6566e9a0f2bca3da8b36f
sha512
f7b2baf48e8df7f95052031341f18ae84078c30b22fdb921c3597f85ddbb21344b5ace3ce80834578e04e914ebdd062f510b7a20824c4a5e158844b021f62f88
ripemd-160
57066b188b207db74b5aa7eb77f6c844a011b6ba
Diameter
77983514
Circumference
244992434.68352
Area
4.776342740009E+15
Volume
2.4831732728953E+23
Surface area
1.9105370960036E+16
Circumference
244992434.68352
Perimeter
155967028
Area
1520357113947049
Diagonal
55142671.570156
Surface area
9122142683682294
Volume
5.9281395140245E+22
Space diagonal
67535704.200379
Perimeter
116975271
Area
6.5833394175127E+14
Altitude
33767852.10019
Surface area
6.5833394175127E+14
Volume
6.9863794169777E+21
Height
18380890.523385