38991942 is an even 8-digits composite number following 38991941
and preceding 38991943 . In scientific notation, it is written as 3.8991942 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 11815200 positive integers (up to 38991942) that are relatively prime to 38991942.
38991942 has 24 divisors, whose sum is 71685432
The reverse of 38991942 is 24919983
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
thirty-eight million nine hundred ninety-one thousand nine hundred forty-two
Scientific notation
3.8991942 × 10^7
Engineering notation
3.8991942 × 10^6
Prime Factorization
2 × 9 × 9 × 11 × 21881
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4332438
Product of the distinct prime numbers
The prime factorization of 38991942 is 2 × 9 × 9 × 11 × 21881.
Since it has a total of 5 prime factors.
8 , 7 , 93 , 33 , 58 , 621 , 6540 , 3102 , 35429 , 34370 , 847499 , 231962 , 1751754 , 7773799 , 49426813 , 23210354 , 479125689 , 722694588 , 5855605154 , 8791566650
n×2
77983884
n×3
116975826
n×4
155967768
n×5
194959710
n÷2
19495971
n÷3
12997314
n÷3
9747985.5
n÷5
7798388.4
n2
1520371540931364
n3
5.9282238942446E+22
n4
2.311529622474E+30
n5
9.0131028970789E+37
2 √n
6244.3528087385
3 √n
339.09778681078
4 √n
79.021217459227
5 √n
32.975772114342
1 , 2 , 9 , 11 , 18 , 22 , 81 , 99 , 162 , 198 , 891 , 1782 , 21881 , 43762 , 196929 , 240691 , 393858 , 481382 , 1772361 , 2166219 , 3544722 , 4332438 , 19495971 , 38991942
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
-38991941
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 38991942 can be divided by 24 positive divisors.
The sum of these divisors (counting 38991942) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
10010100101111100001000110
3
Ternary
2201100222220000
4
Quaternary
2110233201012
5
Quinary
34440220232
6
Senary
3511422130
8
Octal
224574106
10
Decimal
38991942
12
Duodecimal
11084946
16
Hexadecimal
252f846
20
Vigesimal
c3djh2
36
Base36
n7qdi
md5
bd24ab9ab1c5bca8e4e899c6ca45eadc
sha1
83fc37efb82cdb06e45827b9cfeff46534548215
sha256
e6f078becddf9e4fb4477f08f976da0c5c7ef0e5dd98514bd92a7a4f2cc2e815
sha512
ac9ed19d637b69306c548370c51234775b2edaad1893f2d8cfe9845444b45bdf4712444ff8c6da8d8b3228539e6f0199cebca732f01c7c0da7b296a0c9e2fb61
ripemd-160
090d4c2f50a856c3836b6f0e298e14df6c3a2ed6
Diameter
77983884
Circumference
244993597.0728
Area
4.776388063717E+15
Volume
2.4832086179993E+23
Surface area
1.9105552254868E+16
Circumference
244993597.0728
Perimeter
155967768
Area
1520371540931364
Diagonal
55142933.199665
Surface area
9122229245588184
Volume
5.9282238942446E+22
Space diagonal
67536024.629779
Perimeter
116975826
Area
6.5834018881873E+14
Altitude
33768012.314889
Surface area
6.5834018881873E+14
Volume
6.9864788600208E+21
Height
18380977.733222