38991904 is an even 8-digits composite number following 38991903
and preceding 38991905 . In scientific notation, it is written as 3.8991904 × 10^7.
The sum of its digits is 43. It has a total of 7 prime factors and 24 positive divisors.
There are 16710720 positive integers (up to 38991904) that are relatively prime to 38991904.
38991904 has 24 divisors, whose sum is 87732288
The reverse of 38991904 is 40919983
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
thirty-eight million nine hundred ninety-one thousand nine hundred four
Scientific notation
3.8991904 × 10^7
Engineering notation
3.8991904 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 7 × 174071
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
2436994
Product of the distinct prime numbers
The prime factorization of 38991904 is 2 × 2 × 2 × 2 × 2 × 7 × 174071.
Since it has a total of 7 prime factors.
1 , 10 , 49 , 2 , 349 , 282 , 3619 , 3336 , 38668 , 9120 , 382309 , 830750 , 8115987 , 2453671 , 74438759 , 23611521 , 163926407 , 689567300 , 4804132384 , 8036006457
n×2
77983808
n×3
116975712
n×4
155967616
n×5
194959520
n÷2
19495952
n÷3
12997301.333333
n÷3
9747976
n÷5
7798380.8
n2
1520368577545216
n3
5.928206562026E+22
n4
2.3115206115869E+30
n5
9.0130589781016E+37
2 √n
6244.3497659884
3 √n
339.09767665366
4 √n
79.021198206484
5 √n
32.975765686963
1 , 2 , 4 , 7 , 8 , 14 , 16 , 28 , 32 , 56 , 112 , 224 , 174071 , 348142 , 696284 , 1218497 , 1392568 , 2436994 , 2785136 , 4873988 , 5570272 , 9747976 , 19495952 , 38991904
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-38991903
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 38991904 can be divided by 24 positive divisors.
The sum of these divisors (counting 38991904) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
10010100101111100000100000
3
Ternary
2201100222211121
4
Quaternary
2110233200200
5
Quinary
34440220104
6
Senary
3511422024
8
Octal
224574040
10
Decimal
38991904
12
Duodecimal
11084914
16
Hexadecimal
252f820
20
Vigesimal
c3djf4
36
Base36
n7qcg
md5
5afd2b6d15d7fe5761d7cd3bf23324d4
sha1
25fb17752cf45fe79303762c1ee48b0726c1b652
sha256
1e2e630bdc102807a828d1e5be2ba2f5bcc0bfb5a9a3479f7dbc71005261d390
sha512
20362fd2b1045a12752fd63f2e9960f1e7682884e048041b830979d1e0cf8273894df33cd4c37c6f8188df6fd5c0e3c96a2f00847be2747f31e075d5a2041302
ripemd-160
ff0ea71d1e253b71d21a35d7b1782d15c09bcef0
Diameter
77983808
Circumference
244993358.31176
Area
4.7763787539648E+15
Volume
2.4832013578965E+23
Surface area
1.9105515015859E+16
Circumference
244993358.31176
Perimeter
155967616
Area
1520368577545216
Diagonal
55142879.45955
Surface area
9122211465271296
Volume
5.928206562026E+22
Space diagonal
67535958.811848
Perimeter
116975712
Area
6.5833890563488E+14
Altitude
33767979.405924
Surface area
6.5833890563488E+14
Volume
6.9864584338052E+21
Height
18380959.81985